Bug 1416384 - Part 2a: Delete nsGlobalWindow.{h,cpp}, r=smaug
authornika@thelayzells.com
Wed, 15 Nov 2017 11:31:37 -0500
changeset 392026 a1b15fe9224ebd2aa5a0e398b31383f3e938ab87
parent 392025 74086caf9463416cbe6630370a2219bb648cf697
child 392027 028e876d02bfabc06e5945d00ee3740fb5af823b
push id32909
push usercbrindusan@mozilla.com
push dateWed, 15 Nov 2017 22:25:14 +0000
treeherdermozilla-central@f41930a869a8 [default view] [failures only]
perfherder[talos] [build metrics] [platform microbench] (compared to previous push)
reviewerssmaug
bugs1416384
milestone59.0a1
first release with
nightly linux32
nightly linux64
nightly mac
nightly win32
nightly win64
last release without
nightly linux32
nightly linux64
nightly mac
nightly win32
nightly win64
Bug 1416384 - Part 2a: Delete nsGlobalWindow.{h,cpp}, r=smaug
dom/base/nsGlobalWindow.cpp
dom/base/nsGlobalWindow.h
deleted file mode 100644
--- a/dom/base/nsGlobalWindow.cpp
+++ /dev/null
@@ -1,15169 +0,0 @@
-/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
-/* vim: set ts=8 sts=2 et sw=2 tw=80: */
-/* This Source Code Form is subject to the terms of the Mozilla Public
- * License, v. 2.0. If a copy of the MPL was not distributed with this
- * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
-
-#include "nsGlobalWindow.h"
-
-#include <algorithm>
-
-#include "mozilla/MemoryReporting.h"
-
-// Local Includes
-#include "Navigator.h"
-#include "nsContentSecurityManager.h"
-#include "nsScreen.h"
-#include "nsHistory.h"
-#include "nsDOMNavigationTiming.h"
-#include "nsIDOMStorageManager.h"
-#include "mozilla/dom/LocalStorage.h"
-#include "mozilla/dom/Storage.h"
-#include "mozilla/dom/IdleRequest.h"
-#include "mozilla/dom/Performance.h"
-#include "mozilla/dom/StorageEvent.h"
-#include "mozilla/dom/StorageEventBinding.h"
-#include "mozilla/dom/StorageNotifierService.h"
-#include "mozilla/dom/StorageUtils.h"
-#include "mozilla/dom/Timeout.h"
-#include "mozilla/dom/TimeoutHandler.h"
-#include "mozilla/dom/TimeoutManager.h"
-#include "mozilla/IntegerPrintfMacros.h"
-#if defined(MOZ_WIDGET_ANDROID)
-#include "mozilla/dom/WindowOrientationObserver.h"
-#endif
-#include "nsDOMOfflineResourceList.h"
-#include "nsError.h"
-#include "nsIIdleService.h"
-#include "nsISizeOfEventTarget.h"
-#include "nsDOMJSUtils.h"
-#include "nsArrayUtils.h"
-#include "nsIDOMWindowCollection.h"
-#include "nsDOMWindowList.h"
-#include "mozilla/dom/WakeLock.h"
-#include "mozilla/dom/power/PowerManagerService.h"
-#include "nsIDocShellTreeOwner.h"
-#include "nsIInterfaceRequestorUtils.h"
-#include "nsIPermissionManager.h"
-#include "nsIScriptContext.h"
-#include "nsIScriptTimeoutHandler.h"
-#include "nsITimeoutHandler.h"
-#include "nsIController.h"
-#include "nsScriptNameSpaceManager.h"
-#include "nsISlowScriptDebug.h"
-#include "nsWindowMemoryReporter.h"
-#include "nsWindowSizes.h"
-#include "WindowNamedPropertiesHandler.h"
-#include "nsFrameSelection.h"
-#include "nsNetUtil.h"
-#include "nsVariant.h"
-#include "nsPrintfCString.h"
-#include "mozilla/intl/LocaleService.h"
-
-// Helper Classes
-#include "nsJSUtils.h"
-#include "jsapi.h"              // for JSAutoRequest
-#include "jswrapper.h"
-#include "nsCharSeparatedTokenizer.h"
-#include "nsReadableUtils.h"
-#include "nsDOMClassInfo.h"
-#include "nsJSEnvironment.h"
-#include "mozilla/dom/ScriptSettings.h"
-#include "mozilla/Preferences.h"
-#include "mozilla/Likely.h"
-#include "mozilla/Sprintf.h"
-#include "mozilla/Unused.h"
-
-// Other Classes
-#include "mozilla/dom/BarProps.h"
-#include "nsContentCID.h"
-#include "nsLayoutStatics.h"
-#include "nsCCUncollectableMarker.h"
-#include "mozilla/dom/workers/Workers.h"
-#include "mozilla/dom/ToJSValue.h"
-#include "nsJSPrincipals.h"
-#include "mozilla/Attributes.h"
-#include "mozilla/Debug.h"
-#include "mozilla/EventListenerManager.h"
-#include "mozilla/EventStates.h"
-#include "mozilla/MouseEvents.h"
-#include "mozilla/ProcessHangMonitor.h"
-#include "mozilla/ThrottledEventQueue.h"
-#include "AudioChannelService.h"
-#include "nsAboutProtocolUtils.h"
-#include "nsCharTraits.h" // NS_IS_HIGH/LOW_SURROGATE
-#include "PostMessageEvent.h"
-#include "mozilla/dom/DocGroup.h"
-#include "mozilla/dom/TabGroup.h"
-
-// Interfaces Needed
-#include "nsIFrame.h"
-#include "nsCanvasFrame.h"
-#include "nsIWidget.h"
-#include "nsIWidgetListener.h"
-#include "nsIBaseWindow.h"
-#include "nsIDeviceSensors.h"
-#include "nsIContent.h"
-#include "nsIDocShell.h"
-#include "nsIDocCharset.h"
-#include "nsIDocument.h"
-#include "Crypto.h"
-#include "nsIDOMDocument.h"
-#include "nsIDOMElement.h"
-#include "nsIDOMEvent.h"
-#include "nsIDOMOfflineResourceList.h"
-#include "nsDOMString.h"
-#include "nsIEmbeddingSiteWindow.h"
-#include "nsThreadUtils.h"
-#include "nsILoadContext.h"
-#include "nsIPresShell.h"
-#include "nsIScrollableFrame.h"
-#include "nsView.h"
-#include "nsViewManager.h"
-#include "nsISelectionController.h"
-#include "nsISelection.h"
-#include "nsIPrompt.h"
-#include "nsIPromptService.h"
-#include "nsIPromptFactory.h"
-#include "nsIAddonPolicyService.h"
-#include "nsIWritablePropertyBag2.h"
-#include "nsIWebNavigation.h"
-#include "nsIWebBrowserChrome.h"
-#include "nsIWebBrowserFind.h"  // For window.find()
-#include "nsIWindowMediator.h"  // For window.find()
-#include "nsComputedDOMStyle.h"
-#include "nsDOMCID.h"
-#include "nsDOMWindowUtils.h"
-#include "nsIWindowWatcher.h"
-#include "nsPIWindowWatcher.h"
-#include "nsIContentViewer.h"
-#include "nsIScriptError.h"
-#include "nsIControllers.h"
-#include "nsIControllerContext.h"
-#include "nsGlobalWindowCommands.h"
-#include "nsQueryObject.h"
-#include "nsContentUtils.h"
-#include "nsCSSProps.h"
-#include "nsIDOMFileList.h"
-#include "nsIURIFixup.h"
-#ifndef DEBUG
-#include "nsIAppStartup.h"
-#include "nsToolkitCompsCID.h"
-#endif
-#include "nsCDefaultURIFixup.h"
-#include "mozilla/EventDispatcher.h"
-#include "mozilla/EventStateManager.h"
-#include "nsIObserverService.h"
-#include "nsFocusManager.h"
-#include "nsIXULWindow.h"
-#include "nsITimedChannel.h"
-#include "nsServiceManagerUtils.h"
-#ifdef MOZ_XUL
-#include "nsIDOMXULControlElement.h"
-#include "nsMenuPopupFrame.h"
-#endif
-#include "mozilla/dom/CustomEvent.h"
-#include "nsIJARChannel.h"
-#include "nsIScreenManager.h"
-#include "nsIEffectiveTLDService.h"
-
-#include "xpcprivate.h"
-
-#ifdef NS_PRINTING
-#include "nsIPrintSettings.h"
-#include "nsIPrintSettingsService.h"
-#include "nsIWebBrowserPrint.h"
-#endif
-
-#include "nsWindowRoot.h"
-#include "nsNetCID.h"
-#include "nsIArray.h"
-
-// XXX An unfortunate dependency exists here (two XUL files).
-#include "nsIDOMXULDocument.h"
-#include "nsIDOMXULCommandDispatcher.h"
-
-#include "nsBindingManager.h"
-#include "nsXBLService.h"
-
-// used for popup blocking, needs to be converted to something
-// belonging to the back-end like nsIContentPolicy
-#include "nsIPopupWindowManager.h"
-
-#include "nsIDragService.h"
-#include "mozilla/dom/Element.h"
-#include "mozilla/dom/Selection.h"
-#include "nsFrameLoader.h"
-#include "nsISupportsPrimitives.h"
-#include "nsXPCOMCID.h"
-#include "mozilla/Logging.h"
-#include "prenv.h"
-
-#include "mozilla/dom/IDBFactory.h"
-#include "mozilla/dom/MessageChannel.h"
-#include "mozilla/dom/Promise.h"
-
-#include "mozilla/dom/Gamepad.h"
-#include "mozilla/dom/GamepadManager.h"
-
-#include "gfxVR.h"
-#include "mozilla/dom/VRDisplay.h"
-#include "mozilla/dom/VRDisplayEvent.h"
-#include "mozilla/dom/VRDisplayEventBinding.h"
-#include "mozilla/dom/VREventObserver.h"
-
-#include "nsRefreshDriver.h"
-#include "Layers.h"
-
-#include "mozilla/AddonPathService.h"
-#include "mozilla/BasePrincipal.h"
-#include "mozilla/Services.h"
-#include "mozilla/Telemetry.h"
-#include "mozilla/dom/Location.h"
-#include "nsHTMLDocument.h"
-#include "nsWrapperCacheInlines.h"
-#include "mozilla/DOMEventTargetHelper.h"
-#include "prrng.h"
-#include "nsSandboxFlags.h"
-#include "TimeChangeObserver.h"
-#include "mozilla/dom/AudioContext.h"
-#include "mozilla/dom/BrowserElementDictionariesBinding.h"
-#include "mozilla/dom/cache/CacheStorage.h"
-#include "mozilla/dom/Console.h"
-#include "mozilla/dom/Fetch.h"
-#include "mozilla/dom/FunctionBinding.h"
-#include "mozilla/dom/HashChangeEvent.h"
-#include "mozilla/dom/IntlUtils.h"
-#include "mozilla/dom/MozSelfSupportBinding.h"
-#include "mozilla/dom/PopStateEvent.h"
-#include "mozilla/dom/PopupBlockedEvent.h"
-#include "mozilla/dom/PrimitiveConversions.h"
-#include "mozilla/dom/WindowBinding.h"
-#include "nsITabChild.h"
-#include "mozilla/dom/MediaQueryList.h"
-#include "mozilla/dom/ScriptSettings.h"
-#include "mozilla/dom/NavigatorBinding.h"
-#include "mozilla/dom/ImageBitmap.h"
-#include "mozilla/dom/ImageBitmapBinding.h"
-#include "mozilla/dom/ServiceWorkerRegistration.h"
-#include "mozilla/dom/U2F.h"
-#include "mozilla/dom/WebIDLGlobalNameHash.h"
-#include "mozilla/dom/Worklet.h"
-#ifdef HAVE_SIDEBAR
-#include "mozilla/dom/ExternalBinding.h"
-#endif
-
-#ifdef MOZ_WEBSPEECH
-#include "mozilla/dom/SpeechSynthesis.h"
-#endif
-
-// Apple system headers seem to have a check() macro.  <sigh>
-#ifdef check
-class nsIScriptTimeoutHandler;
-#undef check
-#endif // check
-#include "AccessCheck.h"
-
-#ifdef ANDROID
-#include <android/log.h>
-#endif
-
-#ifdef XP_WIN
-#include <process.h>
-#define getpid _getpid
-#else
-#include <unistd.h> // for getpid()
-#endif
-
-static const char kStorageEnabled[] = "dom.storage.enabled";
-
-using namespace mozilla;
-using namespace mozilla::dom;
-using namespace mozilla::dom::ipc;
-using mozilla::BasePrincipal;
-using mozilla::OriginAttributes;
-using mozilla::TimeStamp;
-using mozilla::TimeDuration;
-using mozilla::dom::cache::CacheStorage;
-
-static LazyLogModule gDOMLeakPRLog("DOMLeak");
-
-nsGlobalWindowInner::InnerWindowByIdTable *nsGlobalWindowInner::sInnerWindowsById = nullptr;
-nsGlobalWindowOuter::OuterWindowByIdTable *nsGlobalWindowOuter::sOuterWindowsById = nullptr;
-
-static int32_t              gRefCnt                           = 0;
-static int32_t              gOpenPopupSpamCount               = 0;
-static PopupControlState    gPopupControlState                = openAbused;
-static bool                 gMouseDown                        = false;
-static bool                 gDragServiceDisabled              = false;
-static FILE                *gDumpFile                         = nullptr;
-static uint32_t             gSerialCounter                    = 0;
-static bool                 gIdleObserversAPIFuzzTimeDisabled = false;
-
-#ifdef DEBUG_jst
-int32_t gTimeoutCnt                                    = 0;
-#endif
-
-#if defined(DEBUG_bryner) || defined(DEBUG_chb)
-#define DEBUG_PAGE_CACHE
-#endif
-
-#define DOM_TOUCH_LISTENER_ADDED "dom-touch-listener-added"
-
-#define MEMORY_PRESSURE_OBSERVER_TOPIC "memory-pressure"
-
-// The interval at which we execute idle callbacks
-static uint32_t gThrottledIdlePeriodLength;
-
-#define DEFAULT_THROTTLED_IDLE_PERIOD_LENGTH 10000
-
-#define FORWARD_TO_OUTER(method, args, err_rval)                              \
-  PR_BEGIN_MACRO                                                              \
-  if (IsInnerWindow()) {                                                      \
-    nsGlobalWindowOuter *outer = GetOuterWindowInternal();                    \
-    if (!AsInner()->HasActiveDocument()) {                                    \
-      NS_WARNING(outer ?                                                      \
-                 "Inner window does not have active document." :              \
-                 "No outer window available!");                               \
-      return err_rval;                                                        \
-    }                                                                         \
-    return outer->method args;                                                \
-  }                                                                           \
-  PR_END_MACRO
-
-#define FORWARD_TO_OUTER_OR_THROW(method, args, errorresult, err_rval)        \
-  PR_BEGIN_MACRO                                                              \
-  MOZ_RELEASE_ASSERT(IsInnerWindow());                                        \
-  nsGlobalWindowOuter *outer = GetOuterWindowInternal();                      \
-  if (MOZ_LIKELY(AsInner()->HasActiveDocument())) {                           \
-    return outer->method args;                                                \
-  }                                                                           \
-  if (!outer) {                                                               \
-    NS_WARNING("No outer window available!");                                 \
-    errorresult.Throw(NS_ERROR_NOT_INITIALIZED);                              \
-  } else {                                                                    \
-    errorresult.Throw(NS_ERROR_XPC_SECURITY_MANAGER_VETO);                    \
-  }                                                                           \
-  return err_rval;                                                            \
-  PR_END_MACRO
-
-#define FORWARD_TO_OUTER_VOID(method, args)                                   \
-  PR_BEGIN_MACRO                                                              \
-  if (IsInnerWindow()) {                                                      \
-    nsGlobalWindowOuter *outer = GetOuterWindowInternal();                    \
-    if (!AsInner()->HasActiveDocument()) {                                    \
-      NS_WARNING(outer ?                                                      \
-                 "Inner window does not have active document." :              \
-                 "No outer window available!");                               \
-      return;                                                                 \
-    }                                                                         \
-    outer->method args;                                                       \
-    return;                                                                   \
-  }                                                                           \
-  PR_END_MACRO
-
-#define FORWARD_TO_OUTER_MODAL_CONTENT_WINDOW(method, args, err_rval)         \
-  PR_BEGIN_MACRO                                                              \
-  if (IsInnerWindow()) {                                                      \
-    nsGlobalWindowOuter *outer = GetOuterWindowInternal();                    \
-    if (!AsInner()->HasActiveDocument()) {                                    \
-      NS_WARNING(outer ?                                                      \
-                 "Inner window does not have active document." :              \
-                 "No outer window available!");                               \
-      return err_rval;                                                        \
-    }                                                                         \
-    return ((nsGlobalModalWindow *)outer)->method args;                       \
-  }                                                                           \
-  PR_END_MACRO
-
-#define FORWARD_TO_INNER(method, args, err_rval)                              \
-  PR_BEGIN_MACRO                                                              \
-  if (IsOuterWindow()) {                                                      \
-    if (!mInnerWindow) {                                                      \
-      NS_WARNING("No inner window available!");                               \
-      return err_rval;                                                        \
-    }                                                                         \
-    return GetCurrentInnerWindowInternal()->method args;                      \
-  }                                                                           \
-  PR_END_MACRO
-
-#define FORWARD_TO_INNER_MODAL_CONTENT_WINDOW(method, args, err_rval)         \
-  PR_BEGIN_MACRO                                                              \
-  if (IsOuterWindow()) {                                                      \
-    if (!mInnerWindow) {                                                      \
-      NS_WARNING("No inner window available!");                               \
-      return err_rval;                                                        \
-    }                                                                         \
-    return ((nsGlobalModalWindow*)GetCurrentInnerWindowInternal())->method args; \
-  }                                                                           \
-  PR_END_MACRO
-
-#define FORWARD_TO_INNER_VOID(method, args)                                   \
-  PR_BEGIN_MACRO                                                              \
-  if (IsOuterWindow()) {                                                      \
-    if (!mInnerWindow) {                                                      \
-      NS_WARNING("No inner window available!");                               \
-      return;                                                                 \
-    }                                                                         \
-    GetCurrentInnerWindowInternal()->method args;                             \
-    return;                                                                   \
-  }                                                                           \
-  PR_END_MACRO
-
-// Same as FORWARD_TO_INNER, but this will create a fresh inner if an
-// inner doesn't already exists.
-#define FORWARD_TO_INNER_CREATE(method, args, err_rval)                       \
-  PR_BEGIN_MACRO                                                              \
-  if (IsOuterWindow()) {                                                      \
-    if (!mInnerWindow) {                                                      \
-      if (mIsClosed) {                                                        \
-        return err_rval;                                                      \
-      }                                                                       \
-      nsCOMPtr<nsIDocument> kungFuDeathGrip = GetDoc();                       \
-      ::mozilla::Unused << kungFuDeathGrip;                                   \
-      if (!mInnerWindow) {                                                    \
-        return err_rval;                                                      \
-      }                                                                       \
-    }                                                                         \
-    return GetCurrentInnerWindowInternal()->method args;                      \
-  }                                                                           \
-  PR_END_MACRO
-
-// CIDs
-static NS_DEFINE_CID(kXULControllersCID, NS_XULCONTROLLERS_CID);
-
-#define NETWORK_UPLOAD_EVENT_NAME     NS_LITERAL_STRING("moznetworkupload")
-#define NETWORK_DOWNLOAD_EVENT_NAME   NS_LITERAL_STRING("moznetworkdownload")
-
-/**
- * An indirect observer object that means we don't have to implement nsIObserver
- * on nsGlobalWindow, where any script could see it.
- */
-class nsGlobalWindowObserver final : public nsIObserver
-                                   , public nsIInterfaceRequestor
-                                   , public StorageNotificationObserver
-{
-public:
-  explicit nsGlobalWindowObserver(nsGlobalWindowInner* aWindow) : mWindow(aWindow) {}
-  NS_DECL_ISUPPORTS
-  NS_IMETHOD Observe(nsISupports* aSubject, const char* aTopic, const char16_t* aData) override
-  {
-    if (!mWindow)
-      return NS_OK;
-    return mWindow->Observe(aSubject, aTopic, aData);
-  }
-  void Forget() { mWindow = nullptr; }
-  NS_IMETHOD GetInterface(const nsIID& aIID, void** aResult) override
-  {
-    if (mWindow && aIID.Equals(NS_GET_IID(nsIDOMWindow)) && mWindow) {
-      return mWindow->QueryInterface(aIID, aResult);
-    }
-    return NS_NOINTERFACE;
-  }
-
-  void
-  ObserveStorageNotification(StorageEvent* aEvent,
-                             const char16_t* aStorageType,
-                             bool aPrivateBrowsing) override
-  {
-    if (mWindow) {
-      mWindow->ObserveStorageNotification(aEvent, aStorageType,
-                                          aPrivateBrowsing);
-    }
-  }
-
-  nsIPrincipal*
-  GetPrincipal() const override
-  {
-    return mWindow ? mWindow->GetPrincipal() : nullptr;
-  }
-
-  bool
-  IsPrivateBrowsing() const override
-  {
-    return mWindow ? mWindow->IsPrivateBrowsing() : false;
-  }
-
-  nsIEventTarget*
-  GetEventTarget() const override
-  {
-    return mWindow ? mWindow->EventTargetFor(TaskCategory::Other) : nullptr;
-  }
-
-private:
-  ~nsGlobalWindowObserver() = default;
-
-  // This reference is non-owning and safe because it's cleared by
-  // nsGlobalWindow::CleanUp().
-  nsGlobalWindowInner* MOZ_NON_OWNING_REF mWindow;
-};
-
-NS_IMPL_ISUPPORTS(nsGlobalWindowObserver, nsIObserver, nsIInterfaceRequestor)
-
-static already_AddRefed<nsIVariant>
-CreateVoidVariant()
-{
-  RefPtr<nsVariantCC> writable = new nsVariantCC();
-  writable->SetAsVoid();
-  return writable.forget();
-}
-
-nsresult
-DialogValueHolder::Get(nsIPrincipal* aSubject, nsIVariant** aResult)
-{
-  nsCOMPtr<nsIVariant> result;
-  if (aSubject->SubsumesConsideringDomain(mOrigin)) {
-    result = mValue;
-  } else {
-    result = CreateVoidVariant();
-  }
-  result.forget(aResult);
-  return NS_OK;
-}
-
-void
-DialogValueHolder::Get(JSContext* aCx, JS::Handle<JSObject*> aScope,
-                       nsIPrincipal* aSubject,
-                       JS::MutableHandle<JS::Value> aResult,
-                       mozilla::ErrorResult& aError)
-{
-  if (aSubject->Subsumes(mOrigin)) {
-    aError = nsContentUtils::XPConnect()->VariantToJS(aCx, aScope,
-                                                      mValue, aResult);
-  } else {
-    aResult.setUndefined();
-  }
-}
-
-class IdleRequestExecutor;
-
-class IdleRequestExecutorTimeoutHandler final : public TimeoutHandler
-{
-public:
-  explicit IdleRequestExecutorTimeoutHandler(IdleRequestExecutor* aExecutor)
-    : mExecutor(aExecutor)
-  {
-  }
-
-  NS_DECL_ISUPPORTS_INHERITED
-  NS_DECL_CYCLE_COLLECTION_CLASS_INHERITED(IdleRequestExecutorTimeoutHandler,
-                                           TimeoutHandler)
-
-  nsresult Call() override;
-
-private:
-  ~IdleRequestExecutorTimeoutHandler() override {}
-  RefPtr<IdleRequestExecutor> mExecutor;
-};
-
-NS_IMPL_CYCLE_COLLECTION_INHERITED(IdleRequestExecutorTimeoutHandler, TimeoutHandler, mExecutor)
-
-NS_IMPL_ADDREF_INHERITED(IdleRequestExecutorTimeoutHandler, TimeoutHandler)
-NS_IMPL_RELEASE_INHERITED(IdleRequestExecutorTimeoutHandler, TimeoutHandler)
-
-NS_INTERFACE_MAP_BEGIN_CYCLE_COLLECTION(IdleRequestExecutorTimeoutHandler)
-NS_INTERFACE_MAP_END_INHERITING(TimeoutHandler)
-
-
-class IdleRequestExecutor final : public nsIRunnable
-                                , public nsICancelableRunnable
-                                , public nsINamed
-                                , public nsIIdleRunnable
-{
-public:
-  explicit IdleRequestExecutor(nsGlobalWindowInner* aWindow)
-    : mDispatched(false)
-    , mDeadline(TimeStamp::Now())
-    , mWindow(aWindow)
-  {
-    MOZ_DIAGNOSTIC_ASSERT(mWindow);
-    MOZ_DIAGNOSTIC_ASSERT(mWindow->IsInnerWindow());
-
-    mIdlePeriodLimit = { mDeadline, mWindow->LastIdleRequestHandle() };
-    mDelayedExecutorDispatcher = new IdleRequestExecutorTimeoutHandler(this);
-  }
-
-  NS_DECL_CYCLE_COLLECTING_ISUPPORTS
-  NS_DECL_CYCLE_COLLECTION_CLASS_AMBIGUOUS(IdleRequestExecutor, nsIRunnable)
-
-  NS_DECL_NSIRUNNABLE
-  NS_DECL_NSINAMED
-  nsresult Cancel() override;
-  void SetDeadline(TimeStamp aDeadline) override;
-
-  bool IsCancelled() const { return !mWindow || mWindow->AsInner()->InnerObjectsFreed(); }
-  // Checks if aRequest shouldn't execute in the current idle period
-  // since it has been queued from a chained call to
-  // requestIdleCallback from within a running idle callback.
-  bool IneligibleForCurrentIdlePeriod(IdleRequest* aRequest) const
-  {
-    return aRequest->Handle() >= mIdlePeriodLimit.mLastRequestIdInIdlePeriod &&
-           TimeStamp::Now() <= mIdlePeriodLimit.mEndOfIdlePeriod;
-  }
-
-  void MaybeUpdateIdlePeriodLimit();
-
-  // Maybe dispatch the IdleRequestExecutor. MabyeDispatch will
-  // schedule a delayed dispatch if the associated window is in the
-  // background or if given a time to wait until dispatching.
-  void MaybeDispatch(TimeStamp aDelayUntil = TimeStamp());
-  void ScheduleDispatch();
-private:
-  struct IdlePeriodLimit
-  {
-    TimeStamp mEndOfIdlePeriod;
-    uint32_t mLastRequestIdInIdlePeriod;
-  };
-
-  void DelayedDispatch(uint32_t aDelay);
-
-  ~IdleRequestExecutor() override {}
-
-  bool mDispatched;
-  TimeStamp mDeadline;
-  IdlePeriodLimit mIdlePeriodLimit;
-  RefPtr<nsGlobalWindowInner> mWindow;
-  // The timeout handler responsible for dispatching this executor in
-  // the case of immediate dispatch to the idle queue isn't
-  // desirable. This is used if we've dispatched all idle callbacks
-  // that are allowed to run in the current idle period, or if the
-  // associated window is currently in the background.
-  nsCOMPtr<nsITimeoutHandler> mDelayedExecutorDispatcher;
-  // If not Nothing() then this value is the handle to the currently
-  // scheduled delayed executor dispatcher. This is needed to be able
-  // to cancel the timeout handler in case of the executor being
-  // cancelled.
-  Maybe<int32_t> mDelayedExecutorHandle;
-};
-
-NS_IMPL_CYCLE_COLLECTION_CLASS(IdleRequestExecutor)
-
-NS_IMPL_CYCLE_COLLECTING_ADDREF(IdleRequestExecutor)
-NS_IMPL_CYCLE_COLLECTING_RELEASE(IdleRequestExecutor)
-
-NS_IMPL_CYCLE_COLLECTION_UNLINK_BEGIN(IdleRequestExecutor)
-  NS_IMPL_CYCLE_COLLECTION_UNLINK(mWindow)
-  NS_IMPL_CYCLE_COLLECTION_UNLINK(mDelayedExecutorDispatcher)
-NS_IMPL_CYCLE_COLLECTION_UNLINK_END
-
-NS_IMPL_CYCLE_COLLECTION_TRAVERSE_BEGIN(IdleRequestExecutor)
-  NS_IMPL_CYCLE_COLLECTION_TRAVERSE(mWindow)
-  NS_IMPL_CYCLE_COLLECTION_TRAVERSE(mDelayedExecutorDispatcher)
-NS_IMPL_CYCLE_COLLECTION_TRAVERSE_END
-
-NS_INTERFACE_MAP_BEGIN_CYCLE_COLLECTION(IdleRequestExecutor)
-  NS_INTERFACE_MAP_ENTRY(nsIRunnable)
-  NS_INTERFACE_MAP_ENTRY(nsICancelableRunnable)
-  NS_INTERFACE_MAP_ENTRY(nsINamed)
-  NS_INTERFACE_MAP_ENTRY(nsIIdleRunnable)
-  NS_INTERFACE_MAP_ENTRY_AMBIGUOUS(nsISupports, nsIRunnable)
-NS_INTERFACE_MAP_END
-
-NS_IMETHODIMP
-IdleRequestExecutor::GetName(nsACString& aName)
-{
-    aName.AssignASCII("IdleRequestExecutor");
-    return NS_OK;
-}
-
-NS_IMETHODIMP
-IdleRequestExecutor::Run()
-{
-  MOZ_ASSERT(NS_IsMainThread());
-
-  mDispatched = false;
-  if (mWindow) {
-    return mWindow->ExecuteIdleRequest(mDeadline);
-  }
-
-  return NS_OK;
-}
-
-nsresult
-IdleRequestExecutor::Cancel()
-{
-  MOZ_ASSERT(NS_IsMainThread());
-
-  if (mDelayedExecutorHandle && mWindow) {
-    mWindow->AsInner()->TimeoutManager().ClearTimeout(
-      mDelayedExecutorHandle.value(),
-      Timeout::Reason::eIdleCallbackTimeout);
-  }
-
-  mWindow = nullptr;
-  return NS_OK;
-}
-
-void
-IdleRequestExecutor::SetDeadline(TimeStamp aDeadline)
-{
-  MOZ_ASSERT(NS_IsMainThread());
-
-  if (!mWindow) {
-    return;
-  }
-
-  mDeadline = aDeadline;
-}
-
-void
-IdleRequestExecutor::MaybeUpdateIdlePeriodLimit()
-{
-  if (TimeStamp::Now() > mIdlePeriodLimit.mEndOfIdlePeriod) {
-    mIdlePeriodLimit = { mDeadline, mWindow->LastIdleRequestHandle() };
-  }
-}
-
-void
-IdleRequestExecutor::MaybeDispatch(TimeStamp aDelayUntil)
-{
-  // If we've already dispatched the executor we don't want to do it
-  // again. Also, if we've called IdleRequestExecutor::Cancel mWindow
-  // will be null, which indicates that we shouldn't dispatch this
-  // executor either.
-  if (mDispatched || IsCancelled()) {
-    return;
-  }
-
-  mDispatched = true;
-
-  nsPIDOMWindowOuter* outer = mWindow->GetOuterWindow();
-  if (outer && outer->AsOuter()->IsBackground()) {
-    // Set a timeout handler with a timeout of 0 ms to throttle idle
-    // callback requests coming from a backround window using
-    // background timeout throttling.
-    DelayedDispatch(0);
-    return;
-  }
-
-  TimeStamp now = TimeStamp::Now();
-  if (!aDelayUntil || aDelayUntil < now) {
-    ScheduleDispatch();
-    return;
-  }
-
-  TimeDuration delay = aDelayUntil - now;
-  DelayedDispatch(static_cast<uint32_t>(delay.ToMilliseconds()));
-}
-
-void
-IdleRequestExecutor::ScheduleDispatch()
-{
-  MOZ_ASSERT(mWindow);
-  mDelayedExecutorHandle = Nothing();
-  RefPtr<IdleRequestExecutor> request = this;
-  NS_IdleDispatchToCurrentThread(request.forget());
-}
-
-void
-IdleRequestExecutor::DelayedDispatch(uint32_t aDelay)
-{
-  MOZ_ASSERT(mWindow);
-  MOZ_ASSERT(mDelayedExecutorHandle.isNothing());
-  int32_t handle;
-  mWindow->AsInner()->TimeoutManager().SetTimeout(
-    mDelayedExecutorDispatcher, aDelay, false, Timeout::Reason::eIdleCallbackTimeout, &handle);
-  mDelayedExecutorHandle = Some(handle);
-}
-
-nsresult
-IdleRequestExecutorTimeoutHandler::Call()
-{
-  if (!mExecutor->IsCancelled()) {
-    mExecutor->ScheduleDispatch();
-  }
-  return NS_OK;
-}
-
-void
-nsGlobalWindow::ScheduleIdleRequestDispatch()
-{
-  AssertIsOnMainThread();
-
-  if (!mIdleRequestExecutor) {
-    mIdleRequestExecutor = new IdleRequestExecutor(AssertInner());
-  }
-
-  mIdleRequestExecutor->MaybeDispatch();
-}
-
-void
-nsGlobalWindow::SuspendIdleRequests()
-{
-  if (mIdleRequestExecutor) {
-    mIdleRequestExecutor->Cancel();
-    mIdleRequestExecutor = nullptr;
-  }
-}
-
-void
-nsGlobalWindow::ResumeIdleRequests()
-{
-  MOZ_ASSERT(!mIdleRequestExecutor);
-
-  ScheduleIdleRequestDispatch();
-}
-
-void
-nsGlobalWindow::InsertIdleCallback(IdleRequest* aRequest)
-{
-  AssertIsOnMainThread();
-  mIdleRequestCallbacks.insertBack(aRequest);
-  aRequest->AddRef();
-}
-
-void
-nsGlobalWindow::RemoveIdleCallback(mozilla::dom::IdleRequest* aRequest)
-{
-  AssertIsOnMainThread();
-
-  if (aRequest->HasTimeout()) {
-    mTimeoutManager->ClearTimeout(aRequest->GetTimeoutHandle(),
-                                  Timeout::Reason::eIdleCallbackTimeout);
-  }
-
-  aRequest->removeFrom(mIdleRequestCallbacks);
-  aRequest->Release();
-}
-
-nsresult
-nsGlobalWindow::RunIdleRequest(IdleRequest* aRequest,
-                               DOMHighResTimeStamp aDeadline,
-                               bool aDidTimeout)
-{
-  AssertIsOnMainThread();
-  RefPtr<IdleRequest> request(aRequest);
-  RemoveIdleCallback(request);
-  return request->IdleRun(AsInner(), aDeadline, aDidTimeout);
-}
-
-nsresult
-nsGlobalWindow::ExecuteIdleRequest(TimeStamp aDeadline)
-{
-  AssertIsOnMainThread();
-  RefPtr<IdleRequest> request = mIdleRequestCallbacks.getFirst();
-
-  if (!request) {
-    // There are no more idle requests, so stop scheduling idle
-    // request callbacks.
-    return NS_OK;
-  }
-
-  // If the request that we're trying to execute has been queued
-  // during the current idle period, then dispatch it again at the end
-  // of the idle period.
-  if (mIdleRequestExecutor->IneligibleForCurrentIdlePeriod(request)) {
-    mIdleRequestExecutor->MaybeDispatch(aDeadline);
-    return NS_OK;
-  }
-
-  DOMHighResTimeStamp deadline = 0.0;
-
-  if (Performance* perf = GetPerformance()) {
-    deadline = perf->GetDOMTiming()->TimeStampToDOMHighRes(aDeadline);
-  }
-
-  mIdleRequestExecutor->MaybeUpdateIdlePeriodLimit();
-  nsresult result = RunIdleRequest(request, deadline, false);
-
-  // Running the idle callback could've suspended the window, in which
-  // case mIdleRequestExecutor will be null.
-  if (mIdleRequestExecutor) {
-    mIdleRequestExecutor->MaybeDispatch();
-  }
-  return result;
-}
-
-class IdleRequestTimeoutHandler final : public TimeoutHandler
-{
-public:
-  IdleRequestTimeoutHandler(JSContext* aCx,
-                            IdleRequest* aIdleRequest,
-                            nsPIDOMWindowInner* aWindow)
-    : TimeoutHandler(aCx)
-    , mIdleRequest(aIdleRequest)
-    , mWindow(aWindow)
-  {
-  }
-
-  NS_DECL_ISUPPORTS_INHERITED
-  NS_DECL_CYCLE_COLLECTION_CLASS_INHERITED(IdleRequestTimeoutHandler,
-                                           TimeoutHandler)
-
-  nsresult Call() override
-  {
-    return nsGlobalWindowInner::Cast(mWindow)->RunIdleRequest(mIdleRequest, 0.0, true);
-  }
-
-private:
-  ~IdleRequestTimeoutHandler() override {}
-
-  RefPtr<IdleRequest> mIdleRequest;
-  nsCOMPtr<nsPIDOMWindowInner> mWindow;
-};
-
-NS_IMPL_CYCLE_COLLECTION_INHERITED(IdleRequestTimeoutHandler,
-                                   TimeoutHandler,
-                                   mIdleRequest,
-                                   mWindow)
-
-NS_IMPL_ADDREF_INHERITED(IdleRequestTimeoutHandler, TimeoutHandler)
-NS_IMPL_RELEASE_INHERITED(IdleRequestTimeoutHandler, TimeoutHandler)
-
-NS_INTERFACE_MAP_BEGIN_CYCLE_COLLECTION(IdleRequestTimeoutHandler)
-NS_INTERFACE_MAP_END_INHERITING(TimeoutHandler)
-
-uint32_t
-nsGlobalWindow::RequestIdleCallback(JSContext* aCx,
-                                    IdleRequestCallback& aCallback,
-                                    const IdleRequestOptions& aOptions,
-                                    ErrorResult& aError)
-{
-  MOZ_RELEASE_ASSERT(IsInnerWindow());
-  AssertIsOnMainThread();
-
-  uint32_t handle = mIdleRequestCallbackCounter++;
-
-  RefPtr<IdleRequest> request =
-    new IdleRequest(&aCallback, handle);
-
-  if (aOptions.mTimeout.WasPassed()) {
-    int32_t timeoutHandle;
-    nsCOMPtr<nsITimeoutHandler> handler(new IdleRequestTimeoutHandler(aCx, request, AsInner()));
-
-    nsresult rv = mTimeoutManager->SetTimeout(
-        handler, aOptions.mTimeout.Value(), false,
-        Timeout::Reason::eIdleCallbackTimeout, &timeoutHandle);
-
-    if (NS_WARN_IF(NS_FAILED(rv))) {
-      return 0;
-    }
-
-    request->SetTimeoutHandle(timeoutHandle);
-  }
-
-  // mIdleRequestCallbacks now owns request
-  InsertIdleCallback(request);
-
-  if (!IsSuspended()) {
-    ScheduleIdleRequestDispatch();
-  }
-
-  return handle;
-}
-
-void
-nsGlobalWindow::CancelIdleCallback(uint32_t aHandle)
-{
-  MOZ_RELEASE_ASSERT(IsInnerWindow());
-
-  for (IdleRequest* r : mIdleRequestCallbacks) {
-    if (r->Handle() == aHandle) {
-      RemoveIdleCallback(r);
-      break;
-    }
-  }
-}
-
-void
-nsGlobalWindow::DisableIdleCallbackRequests()
-{
-  if (mIdleRequestExecutor) {
-    mIdleRequestExecutor->Cancel();
-    mIdleRequestExecutor = nullptr;
-  }
-
-  while (!mIdleRequestCallbacks.isEmpty()) {
-    RefPtr<IdleRequest> request = mIdleRequestCallbacks.getFirst();
-    RemoveIdleCallback(request);
-  }
-}
-
-bool
-nsGlobalWindow::IsBackgroundInternal() const
-{
-  return !mOuterWindow || mOuterWindow->IsBackground();
-}
-namespace mozilla {
-namespace dom {
-extern uint64_t
-NextWindowID();
-} // namespace dom
-} // namespace mozilla
-
-template<class T>
-nsPIDOMWindow<T>::nsPIDOMWindow(nsPIDOMWindowOuter *aOuterWindow)
-: mFrameElement(nullptr), mDocShell(nullptr), mModalStateDepth(0),
-  mMutationBits(0), mActivePeerConnections(0), mIsDocumentLoaded(false),
-  mIsHandlingResizeEvent(false), mIsInnerWindow(aOuterWindow != nullptr),
-  mMayHavePaintEventListener(false), mMayHaveTouchEventListener(false),
-  mMayHaveSelectionChangeEventListener(false),
-  mMayHaveMouseEnterLeaveEventListener(false),
-  mMayHavePointerEnterLeaveEventListener(false),
-  mInnerObjectsFreed(false),
-  mIsActive(false), mIsBackground(false),
-  mMediaSuspend(Preferences::GetBool("media.block-autoplay-until-in-foreground", true) ?
-    nsISuspendedTypes::SUSPENDED_BLOCK : nsISuspendedTypes::NONE_SUSPENDED),
-  mAudioMuted(false), mAudioVolume(1.0), mAudioCaptured(false),
-  mDesktopModeViewport(false), mIsRootOuterWindow(false), mInnerWindow(nullptr),
-  mOuterWindow(aOuterWindow),
-  // Make sure no actual window ends up with mWindowID == 0
-  mWindowID(NextWindowID()), mHasNotifiedGlobalCreated(false),
-  mMarkedCCGeneration(0), mServiceWorkersTestingEnabled(false),
-  mLargeAllocStatus(LargeAllocStatus::NONE),
-  mHasTriedToCacheTopInnerWindow(false),
-  mNumOfIndexedDBDatabases(0),
-  mNumOfOpenWebSockets(0)
-{
-  if (aOuterWindow) {
-    mTimeoutManager =
-      MakeUnique<mozilla::dom::TimeoutManager>(*nsGlobalWindowInner::Cast(AsInner()));
-  }
-}
-
-template<class T>
-nsPIDOMWindow<T>::~nsPIDOMWindow() {}
-
-/* static */
-nsPIDOMWindowOuter*
-nsPIDOMWindowOuter::GetFromCurrentInner(nsPIDOMWindowInner* aInner)
-{
-  if (!aInner) {
-    return nullptr;
-  }
-
-  nsPIDOMWindowOuter* outer = aInner->GetOuterWindow();
-  if (!outer || outer->GetCurrentInnerWindow() != aInner) {
-    return nullptr;
-  }
-
-  return outer;
-}
-
-// DialogValueHolder CC goop.
-NS_IMPL_CYCLE_COLLECTION(DialogValueHolder, mValue)
-
-NS_INTERFACE_MAP_BEGIN_CYCLE_COLLECTION(DialogValueHolder)
-  NS_INTERFACE_MAP_ENTRY(nsISupports)
-NS_INTERFACE_MAP_END
-
-NS_IMPL_CYCLE_COLLECTING_ADDREF(DialogValueHolder)
-NS_IMPL_CYCLE_COLLECTING_RELEASE(DialogValueHolder)
-
-//*****************************************************************************
-// nsOuterWindowProxy: Outer Window Proxy
-//*****************************************************************************
-
-class nsOuterWindowProxy : public js::Wrapper
-{
-public:
-  constexpr nsOuterWindowProxy() : js::Wrapper(0) { }
-
-  bool finalizeInBackground(const JS::Value& priv) const override {
-    return false;
-  }
-
-  // Standard internal methods
-  bool getOwnPropertyDescriptor(JSContext* cx,
-                                JS::Handle<JSObject*> proxy,
-                                JS::Handle<jsid> id,
-                                JS::MutableHandle<JS::PropertyDescriptor> desc)
-                                const override;
-  bool defineProperty(JSContext* cx,
-                      JS::Handle<JSObject*> proxy,
-                      JS::Handle<jsid> id,
-                      JS::Handle<JS::PropertyDescriptor> desc,
-                      JS::ObjectOpResult &result) const override;
-  bool ownPropertyKeys(JSContext *cx,
-                       JS::Handle<JSObject*> proxy,
-                       JS::AutoIdVector &props) const override;
-  bool delete_(JSContext *cx, JS::Handle<JSObject*> proxy,
-                       JS::Handle<jsid> id,
-                       JS::ObjectOpResult &result) const override;
-
-  bool getPrototypeIfOrdinary(JSContext* cx,
-                              JS::Handle<JSObject*> proxy,
-                              bool* isOrdinary,
-                              JS::MutableHandle<JSObject*> protop) const override;
-
-  JSObject* enumerate(JSContext *cx, JS::Handle<JSObject*> proxy) const override;
-  bool preventExtensions(JSContext* cx,
-                         JS::Handle<JSObject*> proxy,
-                         JS::ObjectOpResult& result) const override;
-  bool isExtensible(JSContext *cx, JS::Handle<JSObject*> proxy, bool *extensible)
-                    const override;
-  bool has(JSContext *cx, JS::Handle<JSObject*> proxy,
-           JS::Handle<jsid> id, bool *bp) const override;
-  bool get(JSContext *cx, JS::Handle<JSObject*> proxy,
-           JS::Handle<JS::Value> receiver,
-           JS::Handle<jsid> id,
-           JS::MutableHandle<JS::Value> vp) const override;
-  bool set(JSContext *cx, JS::Handle<JSObject*> proxy,
-           JS::Handle<jsid> id, JS::Handle<JS::Value> v,
-           JS::Handle<JS::Value> receiver,
-           JS::ObjectOpResult &result) const override;
-
-  // SpiderMonkey extensions
-  bool getPropertyDescriptor(JSContext* cx,
-                             JS::Handle<JSObject*> proxy,
-                             JS::Handle<jsid> id,
-                             JS::MutableHandle<JS::PropertyDescriptor> desc)
-                             const override;
-  bool hasOwn(JSContext *cx, JS::Handle<JSObject*> proxy,
-              JS::Handle<jsid> id, bool *bp) const override;
-  bool getOwnEnumerablePropertyKeys(JSContext *cx, JS::Handle<JSObject*> proxy,
-                                    JS::AutoIdVector &props) const override;
-  const char *className(JSContext *cx,
-                        JS::Handle<JSObject*> wrapper) const override;
-
-  void finalize(JSFreeOp *fop, JSObject *proxy) const override;
-  size_t objectMoved(JSObject* proxy, JSObject* old) const override;
-
-  bool isCallable(JSObject *obj) const override {
-    return false;
-  }
-  bool isConstructor(JSObject *obj) const override {
-    return false;
-  }
-
-  static const nsOuterWindowProxy singleton;
-
-protected:
-  static nsGlobalWindowOuter* GetOuterWindow(JSObject *proxy)
-  {
-    nsGlobalWindowOuter* outerWindow = nsGlobalWindowOuter::FromSupports(
-      static_cast<nsISupports*>(js::GetProxyReservedSlot(proxy, 0).toPrivate()));
-    MOZ_ASSERT_IF(outerWindow, outerWindow->IsOuterWindow());
-    return outerWindow;
-  }
-
-  // False return value means we threw an exception.  True return value
-  // but false "found" means we didn't have a subframe at that index.
-  bool GetSubframeWindow(JSContext *cx, JS::Handle<JSObject*> proxy,
-                         JS::Handle<jsid> id,
-                         JS::MutableHandle<JS::Value> vp,
-                         bool &found) const;
-
-  // Returns a non-null window only if id is an index and we have a
-  // window at that index.
-  already_AddRefed<nsPIDOMWindowOuter>
-  GetSubframeWindow(JSContext *cx,
-                    JS::Handle<JSObject*> proxy,
-                    JS::Handle<jsid> id) const;
-
-  bool AppendIndexedPropertyNames(JSContext *cx, JSObject *proxy,
-                                  JS::AutoIdVector &props) const;
-};
-
-// Give OuterWindowProxyClass 2 reserved slots, like the other wrappers, so
-// JSObject::swap can swap it with CrossCompartmentWrappers without requiring
-// malloc.
-const js::Class OuterWindowProxyClass = PROXY_CLASS_DEF(
-    "Proxy",
-    JSCLASS_HAS_RESERVED_SLOTS(2)); /* additional class flags */
-
-const char *
-nsOuterWindowProxy::className(JSContext *cx, JS::Handle<JSObject*> proxy) const
-{
-    MOZ_ASSERT(js::IsProxy(proxy));
-
-    return "Window";
-}
-
-void
-nsOuterWindowProxy::finalize(JSFreeOp *fop, JSObject *proxy) const
-{
-  nsGlobalWindowOuter* outerWindow = GetOuterWindow(proxy);
-  if (outerWindow) {
-    outerWindow->ClearWrapper(proxy);
-
-    // Ideally we would use OnFinalize here, but it's possible that
-    // EnsureScriptEnvironment will later be called on the window, and we don't
-    // want to create a new script object in that case. Therefore, we need to
-    // write a non-null value that will reliably crash when dereferenced.
-    outerWindow->PoisonOuterWindowProxy(proxy);
-  }
-}
-
-bool
-nsOuterWindowProxy::getPropertyDescriptor(JSContext* cx,
-                                          JS::Handle<JSObject*> proxy,
-                                          JS::Handle<jsid> id,
-                                          JS::MutableHandle<JS::PropertyDescriptor> desc) const
-{
-  // The only thing we can do differently from js::Wrapper is shadow stuff with
-  // our indexed properties, so we can just try getOwnPropertyDescriptor and if
-  // that gives us nothing call on through to js::Wrapper.
-  desc.object().set(nullptr);
-  if (!getOwnPropertyDescriptor(cx, proxy, id, desc)) {
-    return false;
-  }
-
-  if (desc.object()) {
-    return true;
-  }
-
-  return js::Wrapper::getPropertyDescriptor(cx, proxy, id, desc);
-}
-
-bool
-nsOuterWindowProxy::getOwnPropertyDescriptor(JSContext* cx,
-                                             JS::Handle<JSObject*> proxy,
-                                             JS::Handle<jsid> id,
-                                             JS::MutableHandle<JS::PropertyDescriptor> desc)
-                                             const
-{
-  bool found;
-  if (!GetSubframeWindow(cx, proxy, id, desc.value(), found)) {
-    return false;
-  }
-  if (found) {
-    FillPropertyDescriptor(desc, proxy, true);
-    return true;
-  }
-  // else fall through to js::Wrapper
-
-  return js::Wrapper::getOwnPropertyDescriptor(cx, proxy, id, desc);
-}
-
-bool
-nsOuterWindowProxy::defineProperty(JSContext* cx,
-                                   JS::Handle<JSObject*> proxy,
-                                   JS::Handle<jsid> id,
-                                   JS::Handle<JS::PropertyDescriptor> desc,
-                                   JS::ObjectOpResult &result) const
-{
-  if (IsArrayIndex(GetArrayIndexFromId(cx, id))) {
-    // Spec says to Reject whether this is a supported index or not,
-    // since we have no indexed setter or indexed creator.  It is up
-    // to the caller to decide whether to throw a TypeError.
-    return result.failCantDefineWindowElement();
-  }
-
-  return js::Wrapper::defineProperty(cx, proxy, id, desc, result);
-}
-
-bool
-nsOuterWindowProxy::ownPropertyKeys(JSContext *cx,
-                                    JS::Handle<JSObject*> proxy,
-                                    JS::AutoIdVector &props) const
-{
-  // Just our indexed stuff followed by our "normal" own property names.
-  if (!AppendIndexedPropertyNames(cx, proxy, props)) {
-    return false;
-  }
-
-  JS::AutoIdVector innerProps(cx);
-  if (!js::Wrapper::ownPropertyKeys(cx, proxy, innerProps)) {
-    return false;
-  }
-  return js::AppendUnique(cx, props, innerProps);
-}
-
-bool
-nsOuterWindowProxy::delete_(JSContext *cx, JS::Handle<JSObject*> proxy,
-                            JS::Handle<jsid> id, JS::ObjectOpResult &result) const
-{
-  if (nsCOMPtr<nsPIDOMWindowOuter> frame = GetSubframeWindow(cx, proxy, id)) {
-    // Fail (which means throw if strict, else return false).
-    return result.failCantDeleteWindowElement();
-  }
-
-  if (IsArrayIndex(GetArrayIndexFromId(cx, id))) {
-    // Indexed, but not supported.  Spec says return true.
-    return result.succeed();
-  }
-
-  return js::Wrapper::delete_(cx, proxy, id, result);
-}
-
-bool
-nsOuterWindowProxy::getPrototypeIfOrdinary(JSContext* cx,
-                                           JS::Handle<JSObject*> proxy,
-                                           bool* isOrdinary,
-                                           JS::MutableHandle<JSObject*> protop) const
-{
-  // Window's [[GetPrototypeOf]] trap isn't the ordinary definition:
-  //
-  //   https://html.spec.whatwg.org/multipage/browsers.html#windowproxy-getprototypeof
-  //
-  // We nonetheless can implement it with a static [[Prototype]], because
-  // wrapper-class handlers (particularly, XOW in FilteringWrapper.cpp) supply
-  // all non-ordinary behavior.
-  //
-  // But from a spec point of view, it's the exact same object in both cases --
-  // only the observer's changed.  So this getPrototypeIfOrdinary trap on the
-  // non-wrapper object *must* report non-ordinary, even if static [[Prototype]]
-  // usually means ordinary.
-  *isOrdinary = false;
-  return true;
-}
-
-bool
-nsOuterWindowProxy::preventExtensions(JSContext* cx,
-                                      JS::Handle<JSObject*> proxy,
-                                      JS::ObjectOpResult& result) const
-{
-  // If [[Extensible]] could be false, then navigating a window could navigate
-  // to a window that's [[Extensible]] after being at one that wasn't: an
-  // invariant violation.  So never change a window's extensibility.
-  return result.failCantPreventExtensions();
-}
-
-bool
-nsOuterWindowProxy::isExtensible(JSContext *cx, JS::Handle<JSObject*> proxy,
-                                 bool *extensible) const
-{
-  // See above.
-  *extensible = true;
-  return true;
-}
-
-bool
-nsOuterWindowProxy::has(JSContext *cx, JS::Handle<JSObject*> proxy,
-                        JS::Handle<jsid> id, bool *bp) const
-{
-  if (nsCOMPtr<nsPIDOMWindowOuter> frame = GetSubframeWindow(cx, proxy, id)) {
-    *bp = true;
-    return true;
-  }
-
-  return js::Wrapper::has(cx, proxy, id, bp);
-}
-
-bool
-nsOuterWindowProxy::hasOwn(JSContext *cx, JS::Handle<JSObject*> proxy,
-                           JS::Handle<jsid> id, bool *bp) const
-{
-  if (nsCOMPtr<nsPIDOMWindowOuter> frame = GetSubframeWindow(cx, proxy, id)) {
-    *bp = true;
-    return true;
-  }
-
-  return js::Wrapper::hasOwn(cx, proxy, id, bp);
-}
-
-bool
-nsOuterWindowProxy::get(JSContext *cx, JS::Handle<JSObject*> proxy,
-                        JS::Handle<JS::Value> receiver,
-                        JS::Handle<jsid> id,
-                        JS::MutableHandle<JS::Value> vp) const
-{
-  if (id == nsDOMClassInfo::sWrappedJSObject_id &&
-      xpc::AccessCheck::isChrome(js::GetContextCompartment(cx))) {
-    vp.set(JS::ObjectValue(*proxy));
-    return true;
-  }
-
-  bool found;
-  if (!GetSubframeWindow(cx, proxy, id, vp, found)) {
-    return false;
-  }
-  if (found) {
-    return true;
-  }
-  // Else fall through to js::Wrapper
-
-  return js::Wrapper::get(cx, proxy, receiver, id, vp);
-}
-
-bool
-nsOuterWindowProxy::set(JSContext *cx, JS::Handle<JSObject*> proxy,
-                        JS::Handle<jsid> id,
-                        JS::Handle<JS::Value> v,
-                        JS::Handle<JS::Value> receiver,
-                        JS::ObjectOpResult &result) const
-{
-  if (IsArrayIndex(GetArrayIndexFromId(cx, id))) {
-    // Reject the set.  It's up to the caller to decide whether to throw a
-    // TypeError.  If the caller is strict mode JS code, it'll throw.
-    return result.failReadOnly();
-  }
-
-  return js::Wrapper::set(cx, proxy, id, v, receiver, result);
-}
-
-bool
-nsOuterWindowProxy::getOwnEnumerablePropertyKeys(JSContext *cx, JS::Handle<JSObject*> proxy,
-                                                 JS::AutoIdVector &props) const
-{
-  // Like ownPropertyKeys, our indexed stuff followed by our "normal" enumerable
-  // own property names.
-  //
-  // Note that this does not match current spec per
-  // https://github.com/whatwg/html/issues/2753 but as that issue says I believe
-  // the spec is wrong.
-  if (!AppendIndexedPropertyNames(cx, proxy, props)) {
-    return false;
-  }
-
-  JS::AutoIdVector innerProps(cx);
-  if (!js::Wrapper::getOwnEnumerablePropertyKeys(cx, proxy, innerProps)) {
-    return false;
-  }
-  return js::AppendUnique(cx, props, innerProps);
-}
-
-JSObject*
-nsOuterWindowProxy::enumerate(JSContext *cx, JS::Handle<JSObject*> proxy) const
-{
-  // BaseProxyHandler::enumerate seems to do what we want here: fall
-  // back on the property names returned from js::GetPropertyKeys()
-  return js::BaseProxyHandler::enumerate(cx, proxy);
-}
-
-bool
-nsOuterWindowProxy::GetSubframeWindow(JSContext *cx,
-                                      JS::Handle<JSObject*> proxy,
-                                      JS::Handle<jsid> id,
-                                      JS::MutableHandle<JS::Value> vp,
-                                      bool& found) const
-{
-  nsCOMPtr<nsPIDOMWindowOuter> frame = GetSubframeWindow(cx, proxy, id);
-  if (!frame) {
-    found = false;
-    return true;
-  }
-
-  found = true;
-  // Just return the window's global
-  nsGlobalWindowOuter* global = nsGlobalWindowOuter::Cast(frame);
-  frame->EnsureInnerWindow();
-  JSObject* obj = global->FastGetGlobalJSObject();
-  // This null check fixes a hard-to-reproduce crash that occurs when we
-  // get here when we're mid-call to nsDocShell::Destroy. See bug 640904
-  // comment 105.
-  if (MOZ_UNLIKELY(!obj)) {
-    return xpc::Throw(cx, NS_ERROR_FAILURE);
-  }
-  JS::ExposeObjectToActiveJS(obj);
-  vp.setObject(*obj);
-  return JS_WrapValue(cx, vp);
-}
-
-already_AddRefed<nsPIDOMWindowOuter>
-nsOuterWindowProxy::GetSubframeWindow(JSContext *cx,
-                                      JS::Handle<JSObject*> proxy,
-                                      JS::Handle<jsid> id) const
-{
-  uint32_t index = GetArrayIndexFromId(cx, id);
-  if (!IsArrayIndex(index)) {
-    return nullptr;
-  }
-
-  nsGlobalWindowOuter* win = GetOuterWindow(proxy);
-  MOZ_ASSERT(win->IsOuterWindow());
-  return win->IndexedGetterOuter(index);
-}
-
-bool
-nsOuterWindowProxy::AppendIndexedPropertyNames(JSContext *cx, JSObject *proxy,
-                                               JS::AutoIdVector &props) const
-{
-  uint32_t length = GetOuterWindow(proxy)->Length();
-  MOZ_ASSERT(int32_t(length) >= 0);
-  if (!props.reserve(props.length() + length)) {
-    return false;
-  }
-  for (int32_t i = 0; i < int32_t(length); ++i) {
-    if (!props.append(INT_TO_JSID(i))) {
-      return false;
-    }
-  }
-
-  return true;
-}
-
-size_t
-nsOuterWindowProxy::objectMoved(JSObject *obj, JSObject *old) const
-{
-  nsGlobalWindowOuter* outerWindow = GetOuterWindow(obj);
-  if (outerWindow) {
-    outerWindow->UpdateWrapper(obj, old);
-  }
-  return 0;
-}
-
-const nsOuterWindowProxy
-nsOuterWindowProxy::singleton;
-
-class nsChromeOuterWindowProxy : public nsOuterWindowProxy
-{
-public:
-  constexpr nsChromeOuterWindowProxy() : nsOuterWindowProxy() { }
-
-  const char *className(JSContext *cx, JS::Handle<JSObject*> wrapper) const override;
-
-  static const nsChromeOuterWindowProxy singleton;
-};
-
-const char *
-nsChromeOuterWindowProxy::className(JSContext *cx,
-                                    JS::Handle<JSObject*> proxy) const
-{
-    MOZ_ASSERT(js::IsProxy(proxy));
-
-    return "ChromeWindow";
-}
-
-const nsChromeOuterWindowProxy
-nsChromeOuterWindowProxy::singleton;
-
-static JSObject*
-NewOuterWindowProxy(JSContext *cx, JS::Handle<JSObject*> global, bool isChrome)
-{
-  JSAutoCompartment ac(cx, global);
-  MOZ_ASSERT(js::GetGlobalForObjectCrossCompartment(global) == global);
-
-  js::WrapperOptions options;
-  options.setClass(&OuterWindowProxyClass);
-  options.setSingleton(true);
-  JSObject *obj = js::Wrapper::New(cx, global,
-                                   isChrome ? &nsChromeOuterWindowProxy::singleton
-                                            : &nsOuterWindowProxy::singleton,
-                                   options);
-  MOZ_ASSERT_IF(obj, js::IsWindowProxy(obj));
-  return obj;
-}
-
-//*****************************************************************************
-//***    nsGlobalWindow: Object Management
-//*****************************************************************************
-
-nsGlobalWindow::nsGlobalWindow(nsGlobalWindowOuter *aOuterWindow)
-  : nsPIDOMWindow<nsISupports>(aOuterWindow ? aOuterWindow->AsOuter() : nullptr),
-    mIdleFuzzFactor(0),
-    mIdleCallbackIndex(-1),
-    mCurrentlyIdle(false),
-    mAddActiveEventFuzzTime(true),
-    mFullScreen(false),
-    mFullscreenMode(false),
-    mIsClosed(false),
-    mInClose(false),
-    mHavePendingClose(false),
-    mHadOriginalOpener(false),
-    mOriginalOpenerWasSecureContext(false),
-    mIsPopupSpam(false),
-    mBlockScriptedClosingFlag(false),
-    mWasOffline(false),
-    mHasHadSlowScript(false),
-    mNotifyIdleObserversIdleOnThaw(false),
-    mNotifyIdleObserversActiveOnThaw(false),
-    mCreatingInnerWindow(false),
-    mIsChrome(false),
-    mCleanMessageManager(false),
-    mNeedsFocus(true),
-    mHasFocus(false),
-    mShowFocusRingForContent(false),
-    mFocusByKeyOccurred(false),
-    mHasGamepad(false),
-    mHasVREvents(false),
-    mHasVRDisplayActivateEvents(false),
-    mHasSeenGamepadInput(false),
-    mNotifiedIDDestroyed(false),
-    mAllowScriptsToClose(false),
-    mTopLevelOuterContentWindow(false),
-    mSuspendDepth(0),
-    mFreezeDepth(0),
-    mFocusMethod(0),
-    mSerial(0),
-    mIdleRequestCallbackCounter(1),
-    mIdleRequestExecutor(nullptr),
-#ifdef DEBUG
-    mSetOpenerWindowCalled(false),
-#endif
-    mCleanedUp(false),
-    mDialogAbuseCount(0),
-    mAreDialogsEnabled(true),
-#ifdef DEBUG
-    mIsValidatingTabGroup(false),
-#endif
-    mCanSkipCCGeneration(0),
-    mAutoActivateVRDisplayID(0),
-    mBeforeUnloadListenerCount(0)
-{
-  AssertIsOnMainThread();
-
-  nsLayoutStatics::AddRef();
-
-  // Initialize the PRCList (this).
-  PR_INIT_CLIST(this);
-
-  if (aOuterWindow) {
-    // |this| is an inner window, add this inner window to the outer
-    // window list of inners.
-    PR_INSERT_AFTER(this, aOuterWindow);
-
-    mObserver = new nsGlobalWindowObserver(AssertInner());
-    if (mObserver) {
-      nsCOMPtr<nsIObserverService> os = mozilla::services::GetObserverService();
-      if (os) {
-        // Watch for online/offline status changes so we can fire events. Use
-        // a strong reference.
-        os->AddObserver(mObserver, NS_IOSERVICE_OFFLINE_STATUS_TOPIC,
-                        false);
-
-        os->AddObserver(mObserver, MEMORY_PRESSURE_OBSERVER_TOPIC, false);
-      }
-
-      Preferences::AddStrongObserver(mObserver, "intl.accept_languages");
-
-      // Watch for storage notifications so we can fire storage events.
-      RefPtr<StorageNotifierService> sns =
-        StorageNotifierService::GetOrCreate();
-      if (sns) {
-        sns->Register(mObserver);
-      }
-    }
-  } else {
-    // |this| is an outer window. Outer windows start out frozen and
-    // remain frozen until they get an inner window.
-    MOZ_ASSERT(IsFrozen());
-  }
-
-  if (XRE_IsContentProcess()) {
-    nsCOMPtr<nsIDocShell> docShell = GetDocShell();
-    if (docShell) {
-      mTabChild = docShell->GetTabChild();
-    }
-  }
-
-  // We could have failed the first time through trying
-  // to create the entropy collector, so we should
-  // try to get one until we succeed.
-
-  gRefCnt++;
-
-  static bool sFirstTime = true;
-  if (sFirstTime) {
-    TimeoutManager::Initialize();
-    Preferences::AddBoolVarCache(&gIdleObserversAPIFuzzTimeDisabled,
-                                 "dom.idle-observers-api.fuzz_time.disabled",
-                                 false);
-
-    Preferences::AddUintVarCache(&gThrottledIdlePeriodLength,
-                                 "dom.idle_period.throttled_length",
-                                 DEFAULT_THROTTLED_IDLE_PERIOD_LENGTH);
-    sFirstTime = false;
-  }
-
-  if (gDumpFile == nullptr) {
-    nsAutoCString fname;
-    Preferences::GetCString("browser.dom.window.dump.file", fname);
-    if (!fname.IsEmpty()) {
-      // If this fails to open, Dump() knows to just go to stdout on null.
-      gDumpFile = fopen(fname.get(), "wb+");
-    } else {
-      gDumpFile = stdout;
-    }
-  }
-
-  mSerial = ++gSerialCounter;
-
-#ifdef DEBUG
-  if (!PR_GetEnv("MOZ_QUIET")) {
-    printf_stderr("++DOMWINDOW == %d (%p) [pid = %d] [serial = %d] [outer = %p]\n",
-                  gRefCnt,
-                  static_cast<void*>(ToCanonicalSupports(this)),
-                  getpid(),
-                  gSerialCounter,
-                  static_cast<void*>(ToCanonicalSupports(aOuterWindow)));
-  }
-#endif
-
-  MOZ_LOG(gDOMLeakPRLog, LogLevel::Debug,
-          ("DOMWINDOW %p created outer=%p", this, aOuterWindow));
-}
-
-#ifdef DEBUG
-
-/* static */
-void
-nsGlobalWindow::AssertIsOnMainThread()
-{
-  MOZ_ASSERT(NS_IsMainThread());
-}
-
-#endif // DEBUG
-
-/* static */
-void
-nsGlobalWindow::Init()
-{
-  AssertIsOnMainThread();
-
-  NS_ASSERTION(gDOMLeakPRLog, "gDOMLeakPRLog should have been initialized!");
-
-  nsGlobalWindowOuter::sOuterWindowsById =
-    new nsGlobalWindowOuter::OuterWindowByIdTable();
-  nsGlobalWindowInner::sInnerWindowsById =
-    new nsGlobalWindowInner::InnerWindowByIdTable();
-}
-
-nsGlobalWindow::~nsGlobalWindow()
-{
-  AssertIsOnMainThread();
-
-  if (IsChromeWindow()) {
-    MOZ_ASSERT(mCleanMessageManager,
-              "chrome windows may always disconnect the msg manager");
-
-    DisconnectAndClearGroupMessageManagers();
-
-    if (mChromeFields.mMessageManager) {
-      static_cast<nsFrameMessageManager *>(
-        mChromeFields.mMessageManager.get())->Disconnect();
-    }
-
-    mCleanMessageManager = false;
-  }
-
-  DisconnectEventTargetObjects();
-
-  if (IsOuterWindow()) {
-    if (nsGlobalWindowOuter::sOuterWindowsById) {
-      MOZ_ASSERT(nsGlobalWindowOuter::sOuterWindowsById->Get(mWindowID),
-                 "This window should be in the hash table");
-      nsGlobalWindowOuter::sOuterWindowsById->Remove(mWindowID);
-    }
-  } else {
-    if (nsGlobalWindowInner::sInnerWindowsById) {
-      MOZ_ASSERT(nsGlobalWindowInner::sInnerWindowsById->Get(mWindowID),
-                 "This window should be in the hash table");
-      nsGlobalWindowInner::sInnerWindowsById->Remove(mWindowID);
-    }
-  }
-
-  --gRefCnt;
-
-#ifdef DEBUG
-  if (!PR_GetEnv("MOZ_QUIET")) {
-    nsAutoCString url;
-    if (mLastOpenedURI) {
-      url = mLastOpenedURI->GetSpecOrDefault();
-
-      // Data URLs can be very long, so truncate to avoid flooding the log.
-      const uint32_t maxURLLength = 1000;
-      if (url.Length() > maxURLLength) {
-        url.Truncate(maxURLLength);
-      }
-    }
-
-    nsGlobalWindowOuter* outer = nsGlobalWindowOuter::Cast(mOuterWindow);
-    printf_stderr("--DOMWINDOW == %d (%p) [pid = %d] [serial = %d] [outer = %p] [url = %s]\n",
-                  gRefCnt,
-                  static_cast<void*>(ToCanonicalSupports(this)),
-                  getpid(),
-                  mSerial,
-                  static_cast<void*>(ToCanonicalSupports(outer)),
-                  url.get());
-  }
-#endif
-
-  MOZ_LOG(gDOMLeakPRLog, LogLevel::Debug, ("DOMWINDOW %p destroyed", this));
-
-  if (IsOuterWindow()) {
-    JSObject *proxy = GetWrapperMaybeDead();
-    if (proxy) {
-      js::SetProxyReservedSlot(proxy, 0, js::PrivateValue(nullptr));
-    }
-
-    // An outer window is destroyed with inner windows still possibly
-    // alive, iterate through the inner windows and null out their
-    // back pointer to this outer, and pull them out of the list of
-    // inner windows.
-    //
-    // Our linked list of inner windows both contains (an nsGlobalWindowOuter),
-    // and our inner windows (nsGlobalWindowInners). This means that we need to
-    // use PRCList*. We can then compare that PRCList* to `this` to see if its an
-    // inner or outer window.
-    PRCList* w;
-    while ((w = PR_LIST_HEAD(this)) != this) {
-      PR_REMOVE_AND_INIT_LINK(w);
-    }
-
-    DropOuterWindowDocs();
-  } else {
-    Telemetry::Accumulate(Telemetry::INNERWINDOWS_WITH_MUTATION_LISTENERS,
-                          mMutationBits ? 1 : 0);
-
-    if (mListenerManager) {
-      mListenerManager->Disconnect();
-      mListenerManager = nullptr;
-    }
-
-    // An inner window is destroyed, pull it out of the outer window's
-    // list if inner windows.
-
-    PR_REMOVE_LINK(this);
-
-    // If our outer window's inner window is this window, null out the
-    // outer window's reference to this window that's being deleted.
-    nsGlobalWindowOuter *outer = GetOuterWindowInternal();
-    if (outer) {
-      outer->MaybeClearInnerWindow(AssertInner());
-    }
-  }
-
-  // We don't have to leave the tab group if we are an inner window.
-  if (mTabGroup && IsOuterWindow()) {
-    mTabGroup->Leave(AsOuter());
-  }
-
-  // Outer windows are always supposed to call CleanUp before letting themselves
-  // be destroyed. And while CleanUp generally seems to be intended to clean up
-  // outers, we've historically called it for both. Changing this would probably
-  // involve auditing all of the references that inners and outers can have, and
-  // separating the handling into CleanUp() and FreeInnerObjects.
-  if (IsInnerWindow()) {
-    CleanUp();
-  } else {
-    MOZ_ASSERT(mCleanedUp);
-  }
-
-  nsCOMPtr<nsIDeviceSensors> ac = do_GetService(NS_DEVICE_SENSORS_CONTRACTID);
-  if (ac)
-    ac->RemoveWindowAsListener(this);
-
-  nsLayoutStatics::Release();
-}
-
-void
-nsGlobalWindow::AddEventTargetObject(DOMEventTargetHelper* aObject)
-{
-  MOZ_ASSERT(IsInnerWindow());
-  mEventTargetObjects.PutEntry(aObject);
-}
-
-void
-nsGlobalWindow::RemoveEventTargetObject(DOMEventTargetHelper* aObject)
-{
-  MOZ_ASSERT(IsInnerWindow());
-  mEventTargetObjects.RemoveEntry(aObject);
-}
-
-void
-nsGlobalWindow::DisconnectEventTargetObjects()
-{
-  for (auto iter = mEventTargetObjects.ConstIter(); !iter.Done();
-       iter.Next()) {
-    RefPtr<DOMEventTargetHelper> target = iter.Get()->GetKey();
-    target->DisconnectFromOwner();
-  }
-  mEventTargetObjects.Clear();
-}
-
-// static
-void
-nsGlobalWindow::ShutDown()
-{
-  AssertIsOnMainThread();
-
-  if (gDumpFile && gDumpFile != stdout) {
-    fclose(gDumpFile);
-  }
-  gDumpFile = nullptr;
-
-  delete nsGlobalWindowInner::sInnerWindowsById;
-  nsGlobalWindowInner::sInnerWindowsById = nullptr;
-  delete nsGlobalWindowOuter::sOuterWindowsById;
-  nsGlobalWindowOuter::sOuterWindowsById = nullptr;
-}
-
-// static
-void
-nsGlobalWindow::CleanupCachedXBLHandlers()
-{
-  if (mCachedXBLPrototypeHandlers &&
-      mCachedXBLPrototypeHandlers->Count() > 0) {
-    mCachedXBLPrototypeHandlers->Clear();
-  }
-}
-
-void
-nsGlobalWindow::MaybeForgiveSpamCount()
-{
-  if (IsOuterWindow() &&
-      IsPopupSpamWindow()) {
-    SetIsPopupSpamWindow(false);
-  }
-}
-
-void
-nsGlobalWindow::SetIsPopupSpamWindow(bool aIsPopupSpam)
-{
-  MOZ_ASSERT(IsOuterWindow());
-
-  mIsPopupSpam = aIsPopupSpam;
-  if (aIsPopupSpam) {
-    ++gOpenPopupSpamCount;
-  } else {
-    --gOpenPopupSpamCount;
-    NS_ASSERTION(gOpenPopupSpamCount >= 0,
-                 "Unbalanced decrement of gOpenPopupSpamCount");
-  }
-}
-
-void
-nsGlobalWindow::DropOuterWindowDocs()
-{
-  MOZ_ASSERT(IsOuterWindow());
-  MOZ_ASSERT_IF(mDoc, !mDoc->EventHandlingSuppressed());
-  mDoc = nullptr;
-  mSuspendedDoc = nullptr;
-}
-
-void
-nsGlobalWindow::CleanUp()
-{
-  // Guarantee idempotence.
-  if (mCleanedUp)
-    return;
-  mCleanedUp = true;
-
-  StartDying();
-
-  DisconnectEventTargetObjects();
-
-  if (mObserver) {
-    nsCOMPtr<nsIObserverService> os = mozilla::services::GetObserverService();
-    if (os) {
-      os->RemoveObserver(mObserver, NS_IOSERVICE_OFFLINE_STATUS_TOPIC);
-      os->RemoveObserver(mObserver, MEMORY_PRESSURE_OBSERVER_TOPIC);
-    }
-
-    RefPtr<StorageNotifierService> sns = StorageNotifierService::GetOrCreate();
-    if (sns) {
-     sns->Unregister(mObserver);
-    }
-
-    if (mIdleService) {
-      mIdleService->RemoveIdleObserver(mObserver, MIN_IDLE_NOTIFICATION_TIME_S);
-    }
-
-    Preferences::RemoveObserver(mObserver, "intl.accept_languages");
-
-    // Drop its reference to this dying window, in case for some bogus reason
-    // the object stays around.
-    mObserver->Forget();
-  }
-
-  if (mNavigator) {
-    mNavigator->Invalidate();
-    mNavigator = nullptr;
-  }
-
-  mScreen = nullptr;
-  mMenubar = nullptr;
-  mToolbar = nullptr;
-  mLocationbar = nullptr;
-  mPersonalbar = nullptr;
-  mStatusbar = nullptr;
-  mScrollbars = nullptr;
-  mHistory = nullptr;
-  mCustomElements = nullptr;
-  mFrames = nullptr;
-  mWindowUtils = nullptr;
-  mApplicationCache = nullptr;
-  mIndexedDB = nullptr;
-
-  mConsole = nullptr;
-
-  mAudioWorklet = nullptr;
-  mPaintWorklet = nullptr;
-
-  mExternal = nullptr;
-
-  mMozSelfSupport = nullptr;
-
-  mPerformance = nullptr;
-
-#ifdef MOZ_WEBSPEECH
-  mSpeechSynthesis = nullptr;
-#endif
-
-#if defined(MOZ_WIDGET_ANDROID)
-  mOrientationChangeObserver = nullptr;
-#endif
-
-  ClearControllers();
-
-  mOpener = nullptr;             // Forces Release
-  if (mContext) {
-    mContext = nullptr;            // Forces Release
-  }
-  mChromeEventHandler = nullptr; // Forces Release
-  mParentTarget = nullptr;
-
-  if (IsOuterWindow()) {
-    nsGlobalWindowInner* inner = GetCurrentInnerWindowInternal();
-    if (inner) {
-      inner->CleanUp();
-    }
-  }
-
-  if (IsInnerWindow()) {
-    DisableGamepadUpdates();
-    mHasGamepad = false;
-    DisableVRUpdates();
-    mHasVREvents = false;
-    mHasVRDisplayActivateEvents = false;
-    DisableIdleCallbackRequests();
-  } else {
-    MOZ_ASSERT(!mHasGamepad);
-    MOZ_ASSERT(!mHasVREvents);
-    MOZ_ASSERT(!mHasVRDisplayActivateEvents);
-  }
-
-  if (mCleanMessageManager) {
-    MOZ_ASSERT(mIsChrome, "only chrome should have msg manager cleaned");
-    if (mChromeFields.mMessageManager) {
-      static_cast<nsFrameMessageManager*>(
-        mChromeFields.mMessageManager.get())->Disconnect();
-    }
-  }
-
-  mArguments = nullptr;
-
-  CleanupCachedXBLHandlers();
-
-  for (uint32_t i = 0; i < mAudioContexts.Length(); ++i) {
-    mAudioContexts[i]->Shutdown();
-  }
-  mAudioContexts.Clear();
-
-  if (mIdleTimer) {
-    mIdleTimer->Cancel();
-    mIdleTimer = nullptr;
-  }
-
-  mServiceWorkerRegistrationTable.Clear();
-
-  mIntlUtils = nullptr;
-}
-
-void
-nsGlobalWindow::ClearControllers()
-{
-  if (mControllers) {
-    uint32_t count;
-    mControllers->GetControllerCount(&count);
-
-    while (count--) {
-      nsCOMPtr<nsIController> controller;
-      mControllers->GetControllerAt(count, getter_AddRefs(controller));
-
-      nsCOMPtr<nsIControllerContext> context = do_QueryInterface(controller);
-      if (context)
-        context->SetCommandContext(nullptr);
-    }
-
-    mControllers = nullptr;
-  }
-}
-
-void
-nsGlobalWindow::FreeInnerObjects()
-{
-  NS_ASSERTION(IsInnerWindow(), "Don't free inner objects on an outer window");
-
-  // Make sure that this is called before we null out the document and
-  // other members that the window destroyed observers could
-  // re-create.
-  NotifyDOMWindowDestroyed(AssertInner());
-  if (auto* reporter = nsWindowMemoryReporter::Get()) {
-    reporter->ObserveDOMWindowDetached(AssertInner());
-  }
-
-  mInnerObjectsFreed = true;
-
-  // Kill all of the workers for this window.
-  mozilla::dom::workers::CancelWorkersForWindow(AsInner());
-
-  if (mTimeoutManager) {
-    mTimeoutManager->ClearAllTimeouts();
-  }
-
-  if (mIdleTimer) {
-    mIdleTimer->Cancel();
-    mIdleTimer = nullptr;
-  }
-
-  mIdleObservers.Clear();
-
-  DisableIdleCallbackRequests();
-
-  mChromeEventHandler = nullptr;
-
-  if (mListenerManager) {
-    mListenerManager->Disconnect();
-    mListenerManager = nullptr;
-  }
-
-  mHistory = nullptr;
-  mCustomElements = nullptr;
-
-  if (mNavigator) {
-    mNavigator->OnNavigation();
-    mNavigator->Invalidate();
-    mNavigator = nullptr;
-  }
-
-  if (mScreen) {
-    mScreen = nullptr;
-  }
-
-#if defined(MOZ_WIDGET_ANDROID)
-  mOrientationChangeObserver = nullptr;
-#endif
-
-  if (mDoc) {
-    // Remember the document's principal and URI.
-    mDocumentPrincipal = mDoc->NodePrincipal();
-    mDocumentURI = mDoc->GetDocumentURI();
-    mDocBaseURI = mDoc->GetDocBaseURI();
-
-    while (mDoc->EventHandlingSuppressed()) {
-      mDoc->UnsuppressEventHandlingAndFireEvents(false);
-    }
-  }
-
-  // Remove our reference to the document and the document principal.
-  mFocusedNode = nullptr;
-
-  if (mApplicationCache) {
-    static_cast<nsDOMOfflineResourceList*>(mApplicationCache.get())->Disconnect();
-    mApplicationCache = nullptr;
-  }
-
-  mIndexedDB = nullptr;
-
-  UnlinkHostObjectURIs();
-
-  NotifyWindowIDDestroyed("inner-window-destroyed");
-
-  CleanupCachedXBLHandlers();
-
-  for (uint32_t i = 0; i < mAudioContexts.Length(); ++i) {
-    mAudioContexts[i]->Shutdown();
-  }
-  mAudioContexts.Clear();
-
-  DisableGamepadUpdates();
-  mHasGamepad = false;
-  mGamepads.Clear();
-  DisableVRUpdates();
-  mHasVREvents = false;
-  mHasVRDisplayActivateEvents = false;
-  mVRDisplays.Clear();
-
-  if (mTabChild) {
-    while (mBeforeUnloadListenerCount-- > 0) {
-      mTabChild->BeforeUnloadRemoved();
-    }
-  }
-}
-
-//*****************************************************************************
-// nsGlobalWindow::nsISupports
-//*****************************************************************************
-
-// QueryInterface implementation for nsGlobalWindow
-NS_INTERFACE_MAP_BEGIN_CYCLE_COLLECTION(nsGlobalWindow)
-  NS_WRAPPERCACHE_INTERFACE_MAP_ENTRY
-  // Make sure this matches the cast in nsGlobalWindow::FromWrapper()
-  NS_INTERFACE_MAP_ENTRY_AMBIGUOUS(nsISupports, nsIDOMEventTarget)
-  NS_INTERFACE_MAP_ENTRY(nsIDOMWindow)
-  NS_INTERFACE_MAP_ENTRY(nsIGlobalObject)
-  NS_INTERFACE_MAP_ENTRY(nsIScriptGlobalObject)
-  NS_INTERFACE_MAP_ENTRY(nsIScriptObjectPrincipal)
-  NS_INTERFACE_MAP_ENTRY(nsIDOMEventTarget)
-  NS_INTERFACE_MAP_ENTRY(mozilla::dom::EventTarget)
-  if (aIID.Equals(NS_GET_IID(nsPIDOMWindowInner))) {
-    foundInterface = AsInner();
-  } else
-  if (aIID.Equals(NS_GET_IID(mozIDOMWindow)) && IsInnerWindow()) {
-    foundInterface = AsInner();
-  } else
-  if (aIID.Equals(NS_GET_IID(nsPIDOMWindowOuter))) {
-    foundInterface = AsOuter();
-  } else
-  if (aIID.Equals(NS_GET_IID(mozIDOMWindowProxy)) && IsOuterWindow()) {
-    foundInterface = AsOuter();
-  } else
-  if (aIID.Equals(NS_GET_IID(nsIDOMChromeWindow)) && IsChromeWindow()) {
-    foundInterface = static_cast<nsIDOMChromeWindow*>(this);
-  } else
-  NS_INTERFACE_MAP_ENTRY(nsISupportsWeakReference)
-  NS_INTERFACE_MAP_ENTRY(nsIInterfaceRequestor)
-NS_INTERFACE_MAP_END
-
-
-NS_IMPL_CYCLE_COLLECTING_ADDREF(nsGlobalWindow)
-NS_IMPL_CYCLE_COLLECTING_RELEASE(nsGlobalWindow)
-
-NS_IMPL_CYCLE_COLLECTION_CAN_SKIP_BEGIN(nsGlobalWindow)
-  if (tmp->IsBlackForCC(false)) {
-    if (nsCCUncollectableMarker::InGeneration(tmp->mCanSkipCCGeneration)) {
-      return true;
-    }
-    tmp->mCanSkipCCGeneration = nsCCUncollectableMarker::sGeneration;
-    if (tmp->mCachedXBLPrototypeHandlers) {
-      for (auto iter = tmp->mCachedXBLPrototypeHandlers->Iter();
-           !iter.Done();
-           iter.Next()) {
-        iter.Data().exposeToActiveJS();
-      }
-    }
-    if (EventListenerManager* elm = tmp->GetExistingListenerManager()) {
-      elm->MarkForCC();
-    }
-    if (tmp->mTimeoutManager) {
-      tmp->mTimeoutManager->UnmarkGrayTimers();
-    }
-    return true;
-  }
-NS_IMPL_CYCLE_COLLECTION_CAN_SKIP_END
-
-NS_IMPL_CYCLE_COLLECTION_CAN_SKIP_IN_CC_BEGIN(nsGlobalWindow)
-  return tmp->IsBlackForCC(true);
-NS_IMPL_CYCLE_COLLECTION_CAN_SKIP_IN_CC_END
-
-NS_IMPL_CYCLE_COLLECTION_CAN_SKIP_THIS_BEGIN(nsGlobalWindow)
-  return tmp->IsBlackForCC(false);
-NS_IMPL_CYCLE_COLLECTION_CAN_SKIP_THIS_END
-
-inline void
-ImplCycleCollectionTraverse(nsCycleCollectionTraversalCallback& aCallback,
-                            IdleObserverHolder& aField,
-                            const char* aName,
-                            unsigned aFlags)
-{
-  CycleCollectionNoteChild(aCallback, aField.mIdleObserver.get(), aName, aFlags);
-}
-
-NS_IMPL_CYCLE_COLLECTION_CLASS(nsGlobalWindow)
-
-NS_IMPL_CYCLE_COLLECTION_TRAVERSE_BEGIN_INTERNAL(nsGlobalWindow)
-  if (MOZ_UNLIKELY(cb.WantDebugInfo())) {
-    char name[512];
-    nsAutoCString uri;
-    if (tmp->mDoc && tmp->mDoc->GetDocumentURI()) {
-      uri = tmp->mDoc->GetDocumentURI()->GetSpecOrDefault();
-    }
-    SprintfLiteral(name, "nsGlobalWindow # %" PRIu64 " %s %s", tmp->mWindowID,
-                   tmp->IsInnerWindow() ? "inner" : "outer", uri.get());
-    cb.DescribeRefCountedNode(tmp->mRefCnt.get(), name);
-  } else {
-    NS_IMPL_CYCLE_COLLECTION_DESCRIBE(nsGlobalWindow, tmp->mRefCnt.get())
-  }
-
-  NS_IMPL_CYCLE_COLLECTION_TRAVERSE(mContext)
-
-  NS_IMPL_CYCLE_COLLECTION_TRAVERSE(mControllers)
-  NS_IMPL_CYCLE_COLLECTION_TRAVERSE(mArguments)
-  NS_IMPL_CYCLE_COLLECTION_TRAVERSE(mReturnValue)
-  NS_IMPL_CYCLE_COLLECTION_TRAVERSE(mNavigator)
-
-  NS_IMPL_CYCLE_COLLECTION_TRAVERSE(mPerformance)
-
-  NS_IMPL_CYCLE_COLLECTION_TRAVERSE(mServiceWorkerRegistrationTable)
-
-#ifdef MOZ_WEBSPEECH
-  NS_IMPL_CYCLE_COLLECTION_TRAVERSE(mSpeechSynthesis)
-#endif
-
-  NS_IMPL_CYCLE_COLLECTION_TRAVERSE(mOuterWindow)
-
-  NS_IMPL_CYCLE_COLLECTION_TRAVERSE(mTopInnerWindow)
-
-  NS_IMPL_CYCLE_COLLECTION_TRAVERSE(mListenerManager)
-
-  if (tmp->mTimeoutManager) {
-    tmp->mTimeoutManager->ForEachUnorderedTimeout([&cb](Timeout* timeout) {
-      cb.NoteNativeChild(timeout, NS_CYCLE_COLLECTION_PARTICIPANT(Timeout));
-    });
-  }
-
-  NS_IMPL_CYCLE_COLLECTION_TRAVERSE(mLocation)
-  NS_IMPL_CYCLE_COLLECTION_TRAVERSE(mHistory)
-  NS_IMPL_CYCLE_COLLECTION_TRAVERSE(mCustomElements)
-
-  NS_IMPL_CYCLE_COLLECTION_TRAVERSE(mLocalStorage)
-  NS_IMPL_CYCLE_COLLECTION_TRAVERSE(mSessionStorage)
-  NS_IMPL_CYCLE_COLLECTION_TRAVERSE(mApplicationCache)
-  NS_IMPL_CYCLE_COLLECTION_TRAVERSE(mSuspendedDoc)
-  NS_IMPL_CYCLE_COLLECTION_TRAVERSE(mIndexedDB)
-  NS_IMPL_CYCLE_COLLECTION_TRAVERSE(mDocumentPrincipal)
-  NS_IMPL_CYCLE_COLLECTION_TRAVERSE(mTabChild)
-  NS_IMPL_CYCLE_COLLECTION_TRAVERSE(mDoc)
-  NS_IMPL_CYCLE_COLLECTION_TRAVERSE(mIdleService)
-  NS_IMPL_CYCLE_COLLECTION_TRAVERSE(mWakeLock)
-
-  NS_IMPL_CYCLE_COLLECTION_TRAVERSE(mIdleRequestExecutor)
-  for (IdleRequest* request : tmp->mIdleRequestCallbacks) {
-    cb.NoteNativeChild(request, NS_CYCLE_COLLECTION_PARTICIPANT(IdleRequest));
-  }
-
-  NS_IMPL_CYCLE_COLLECTION_TRAVERSE(mIdleObservers)
-
-  NS_IMPL_CYCLE_COLLECTION_TRAVERSE(mGamepads)
-
-  NS_IMPL_CYCLE_COLLECTION_TRAVERSE(mCacheStorage)
-  NS_IMPL_CYCLE_COLLECTION_TRAVERSE(mVRDisplays)
-
-  // Traverse stuff from nsPIDOMWindow
-  NS_IMPL_CYCLE_COLLECTION_TRAVERSE(mChromeEventHandler)
-  NS_IMPL_CYCLE_COLLECTION_TRAVERSE(mParentTarget)
-  NS_IMPL_CYCLE_COLLECTION_TRAVERSE(mFrameElement)
-  NS_IMPL_CYCLE_COLLECTION_TRAVERSE(mFocusedNode)
-
-  NS_IMPL_CYCLE_COLLECTION_TRAVERSE(mMenubar)
-  NS_IMPL_CYCLE_COLLECTION_TRAVERSE(mToolbar)
-  NS_IMPL_CYCLE_COLLECTION_TRAVERSE(mLocationbar)
-  NS_IMPL_CYCLE_COLLECTION_TRAVERSE(mPersonalbar)
-  NS_IMPL_CYCLE_COLLECTION_TRAVERSE(mStatusbar)
-  NS_IMPL_CYCLE_COLLECTION_TRAVERSE(mScrollbars)
-  NS_IMPL_CYCLE_COLLECTION_TRAVERSE(mCrypto)
-  NS_IMPL_CYCLE_COLLECTION_TRAVERSE(mU2F)
-  NS_IMPL_CYCLE_COLLECTION_TRAVERSE(mConsole)
-  NS_IMPL_CYCLE_COLLECTION_TRAVERSE(mAudioWorklet)
-  NS_IMPL_CYCLE_COLLECTION_TRAVERSE(mPaintWorklet)
-  NS_IMPL_CYCLE_COLLECTION_TRAVERSE(mExternal)
-  NS_IMPL_CYCLE_COLLECTION_TRAVERSE(mMozSelfSupport)
-  NS_IMPL_CYCLE_COLLECTION_TRAVERSE(mIntlUtils)
-
-  NS_IMPL_CYCLE_COLLECTION_TRAVERSE(mDocShell)
-
-  tmp->TraverseHostObjectURIs(cb);
-
-  NS_IMPL_CYCLE_COLLECTION_TRAVERSE(mChromeFields.mBrowserDOMWindow)
-  NS_IMPL_CYCLE_COLLECTION_TRAVERSE(mChromeFields.mMessageManager)
-  NS_IMPL_CYCLE_COLLECTION_TRAVERSE(mChromeFields.mGroupMessageManagers)
-  NS_IMPL_CYCLE_COLLECTION_TRAVERSE(mChromeFields.mOpenerForInitialContentBrowser)
-NS_IMPL_CYCLE_COLLECTION_TRAVERSE_END
-
-NS_IMPL_CYCLE_COLLECTION_UNLINK_BEGIN(nsGlobalWindow)
-  tmp->CleanupCachedXBLHandlers();
-
-  NS_IMPL_CYCLE_COLLECTION_UNLINK(mContext)
-
-  NS_IMPL_CYCLE_COLLECTION_UNLINK(mControllers)
-  NS_IMPL_CYCLE_COLLECTION_UNLINK(mArguments)
-  NS_IMPL_CYCLE_COLLECTION_UNLINK(mReturnValue)
-  NS_IMPL_CYCLE_COLLECTION_UNLINK(mNavigator)
-
-  NS_IMPL_CYCLE_COLLECTION_UNLINK(mPerformance)
-
-  NS_IMPL_CYCLE_COLLECTION_UNLINK(mServiceWorkerRegistrationTable)
-
-#ifdef MOZ_WEBSPEECH
-  NS_IMPL_CYCLE_COLLECTION_UNLINK(mSpeechSynthesis)
-#endif
-
-  if (tmp->mOuterWindow) {
-    nsGlobalWindowOuter::Cast(tmp->mOuterWindow)->
-      MaybeClearInnerWindow(tmp->AssertInner());
-    NS_IMPL_CYCLE_COLLECTION_UNLINK(mOuterWindow)
-  }
-
-  if (tmp->mListenerManager) {
-    tmp->mListenerManager->Disconnect();
-    NS_IMPL_CYCLE_COLLECTION_UNLINK(mListenerManager)
-  }
-
-  tmp->UpdateTopInnerWindow();
-  NS_IMPL_CYCLE_COLLECTION_UNLINK(mTopInnerWindow)
-
-  NS_IMPL_CYCLE_COLLECTION_UNLINK(mLocation)
-  NS_IMPL_CYCLE_COLLECTION_UNLINK(mHistory)
-  NS_IMPL_CYCLE_COLLECTION_UNLINK(mCustomElements)
-  NS_IMPL_CYCLE_COLLECTION_UNLINK(mLocalStorage)
-  NS_IMPL_CYCLE_COLLECTION_UNLINK(mSessionStorage)
-  if (tmp->mApplicationCache) {
-    static_cast<nsDOMOfflineResourceList*>(tmp->mApplicationCache.get())->Disconnect();
-    NS_IMPL_CYCLE_COLLECTION_UNLINK(mApplicationCache)
-  }
-  NS_IMPL_CYCLE_COLLECTION_UNLINK(mSuspendedDoc)
-  NS_IMPL_CYCLE_COLLECTION_UNLINK(mIndexedDB)
-  NS_IMPL_CYCLE_COLLECTION_UNLINK(mDocumentPrincipal)
-  NS_IMPL_CYCLE_COLLECTION_UNLINK(mTabChild)
-  NS_IMPL_CYCLE_COLLECTION_UNLINK(mDoc)
-  NS_IMPL_CYCLE_COLLECTION_UNLINK(mIdleService)
-  NS_IMPL_CYCLE_COLLECTION_UNLINK(mWakeLock)
-  NS_IMPL_CYCLE_COLLECTION_UNLINK(mIdleObservers)
-
-  NS_IMPL_CYCLE_COLLECTION_UNLINK(mGamepads)
-
-  NS_IMPL_CYCLE_COLLECTION_UNLINK(mCacheStorage)
-  NS_IMPL_CYCLE_COLLECTION_UNLINK(mVRDisplays)
-
-  // Unlink stuff from nsPIDOMWindow
-  NS_IMPL_CYCLE_COLLECTION_UNLINK(mChromeEventHandler)
-  NS_IMPL_CYCLE_COLLECTION_UNLINK(mParentTarget)
-  NS_IMPL_CYCLE_COLLECTION_UNLINK(mFrameElement)
-  NS_IMPL_CYCLE_COLLECTION_UNLINK(mFocusedNode)
-
-  NS_IMPL_CYCLE_COLLECTION_UNLINK(mMenubar)
-  NS_IMPL_CYCLE_COLLECTION_UNLINK(mToolbar)
-  NS_IMPL_CYCLE_COLLECTION_UNLINK(mLocationbar)
-  NS_IMPL_CYCLE_COLLECTION_UNLINK(mPersonalbar)
-  NS_IMPL_CYCLE_COLLECTION_UNLINK(mStatusbar)
-  NS_IMPL_CYCLE_COLLECTION_UNLINK(mScrollbars)
-  NS_IMPL_CYCLE_COLLECTION_UNLINK(mCrypto)
-  NS_IMPL_CYCLE_COLLECTION_UNLINK(mU2F)
-  NS_IMPL_CYCLE_COLLECTION_UNLINK(mConsole)
-  NS_IMPL_CYCLE_COLLECTION_UNLINK(mAudioWorklet)
-  NS_IMPL_CYCLE_COLLECTION_UNLINK(mPaintWorklet)
-  NS_IMPL_CYCLE_COLLECTION_UNLINK(mExternal)
-  NS_IMPL_CYCLE_COLLECTION_UNLINK(mMozSelfSupport)
-  NS_IMPL_CYCLE_COLLECTION_UNLINK(mIntlUtils)
-
-  NS_IMPL_CYCLE_COLLECTION_UNLINK(mDocShell)
-
-  tmp->UnlinkHostObjectURIs();
-
-  NS_IMPL_CYCLE_COLLECTION_UNLINK(mIdleRequestExecutor)
-  tmp->DisableIdleCallbackRequests();
-
-  if (tmp->IsChromeWindow()) {
-    NS_IMPL_CYCLE_COLLECTION_UNLINK(mChromeFields.mBrowserDOMWindow)
-    if (tmp->mChromeFields.mMessageManager) {
-      static_cast<nsFrameMessageManager*>(
-        tmp->mChromeFields.mMessageManager.get())->Disconnect();
-      NS_IMPL_CYCLE_COLLECTION_UNLINK(mChromeFields.mMessageManager)
-    }
-    tmp->DisconnectAndClearGroupMessageManagers();
-    NS_IMPL_CYCLE_COLLECTION_UNLINK(mChromeFields.mGroupMessageManagers)
-    NS_IMPL_CYCLE_COLLECTION_UNLINK(mChromeFields.mOpenerForInitialContentBrowser)
-  }
-
-  NS_IMPL_CYCLE_COLLECTION_UNLINK_PRESERVED_WRAPPER
-NS_IMPL_CYCLE_COLLECTION_UNLINK_END
-
-#ifdef DEBUG
-void
-nsGlobalWindow::RiskyUnlink()
-{
-  NS_CYCLE_COLLECTION_INNERNAME.Unlink(this);
-}
-#endif
-
-NS_IMPL_CYCLE_COLLECTION_TRACE_BEGIN(nsGlobalWindow)
-  if (tmp->mCachedXBLPrototypeHandlers) {
-    for (auto iter = tmp->mCachedXBLPrototypeHandlers->Iter();
-         !iter.Done();
-         iter.Next()) {
-      aCallbacks.Trace(&iter.Data(), "Cached XBL prototype handler", aClosure);
-    }
-  }
-  NS_IMPL_CYCLE_COLLECTION_TRACE_PRESERVED_WRAPPER
-NS_IMPL_CYCLE_COLLECTION_TRACE_END
-
-bool
-nsGlobalWindow::IsBlackForCC(bool aTracingNeeded)
-{
-  if (!nsCCUncollectableMarker::sGeneration) {
-    return false;
-  }
-
-  return (nsCCUncollectableMarker::InGeneration(GetMarkedCCGeneration()) ||
-          HasKnownLiveWrapper()) &&
-         (!aTracingNeeded ||
-          HasNothingToTrace(static_cast<nsIDOMEventTarget*>(this)));
-}
-
-//*****************************************************************************
-// nsGlobalWindow::nsIScriptGlobalObject
-//*****************************************************************************
-
-nsresult
-nsGlobalWindow::EnsureScriptEnvironment()
-{
-  nsGlobalWindowOuter* outer = GetOuterWindowInternal();
-  if (!outer) {
-    NS_WARNING("No outer window available!");
-    return NS_ERROR_FAILURE;
-  }
-
-  if (outer->GetWrapperPreserveColor()) {
-    return NS_OK;
-  }
-
-  NS_ASSERTION(!outer->GetCurrentInnerWindowInternal(),
-               "No cached wrapper, but we have an inner window?");
-
-  // If this window is a [i]frame, don't bother GC'ing when the frame's context
-  // is destroyed since a GC will happen when the frameset or host document is
-  // destroyed anyway.
-  nsCOMPtr<nsIScriptContext> context = new nsJSContext(!IsFrame(), outer);
-
-  NS_ASSERTION(!outer->mContext, "Will overwrite mContext!");
-
-  // should probably assert the context is clean???
-  context->WillInitializeContext();
-
-  nsresult rv = context->InitContext();
-  NS_ENSURE_SUCCESS(rv, rv);
-
-  outer->mContext = context;
-  return NS_OK;
-}
-
-nsIScriptContext *
-nsGlobalWindow::GetScriptContext()
-{
-  nsGlobalWindowOuter* outer = GetOuterWindowInternal();
-  if (!outer) {
-    return nullptr;
-  }
-  return outer->mContext;
-}
-
-JSObject *
-nsGlobalWindow::GetGlobalJSObject()
-{
-  return FastGetGlobalJSObject();
-}
-
-void
-nsGlobalWindow::TraceGlobalJSObject(JSTracer* aTrc)
-{
-  TraceWrapper(aTrc, "active window global");
-}
-
-bool
-nsGlobalWindow::WouldReuseInnerWindow(nsIDocument* aNewDocument)
-{
-  MOZ_ASSERT(IsOuterWindow());
-
-  // We reuse the inner window when:
-  // a. We are currently at our original document.
-  // b. At least one of the following conditions are true:
-  // -- The new document is the same as the old document. This means that we're
-  //    getting called from document.open().
-  // -- The new document has the same origin as what we have loaded right now.
-
-  if (!mDoc || !aNewDocument) {
-    return false;
-  }
-
-  if (!mDoc->IsInitialDocument()) {
-    return false;
-  }
-
-#ifdef DEBUG
-{
-  nsCOMPtr<nsIURI> uri;
-  mDoc->GetDocumentURI()->CloneIgnoringRef(getter_AddRefs(uri));
-  NS_ASSERTION(NS_IsAboutBlank(uri), "How'd this happen?");
-}
-#endif
-
-  // Great, we're the original document, check for one of the other
-  // conditions.
-
-  if (mDoc == aNewDocument) {
-    return true;
-  }
-
-  bool equal;
-  if (NS_SUCCEEDED(mDoc->NodePrincipal()->Equals(aNewDocument->NodePrincipal(),
-                                                 &equal)) &&
-      equal) {
-    // The origin is the same.
-    return true;
-  }
-
-  return false;
-}
-
-void
-nsGlobalWindow::SetInitialPrincipalToSubject()
-{
-  MOZ_ASSERT(IsOuterWindow());
-
-  // First, grab the subject principal.
-  nsCOMPtr<nsIPrincipal> newWindowPrincipal = nsContentUtils::SubjectPrincipalOrSystemIfNativeCaller();
-
-  // We should never create windows with an expanded principal.
-  // If we have a system principal, make sure we're not using it for a content
-  // docshell.
-  // NOTE: Please keep this logic in sync with nsWebShellWindow::Initialize().
-  if (nsContentUtils::IsExpandedPrincipal(newWindowPrincipal) ||
-      (nsContentUtils::IsSystemPrincipal(newWindowPrincipal) &&
-       GetDocShell()->ItemType() != nsIDocShellTreeItem::typeChrome)) {
-    newWindowPrincipal = nullptr;
-  }
-
-  // If there's an existing document, bail if it either:
-  if (mDoc) {
-    // (a) is not an initial about:blank document, or
-    if (!mDoc->IsInitialDocument())
-      return;
-    // (b) already has the correct principal.
-    if (mDoc->NodePrincipal() == newWindowPrincipal)
-      return;
-
-#ifdef DEBUG
-    // If we have a document loaded at this point, it had better be about:blank.
-    // Otherwise, something is really weird. An about:blank page has a
-    // NullPrincipal.
-    bool isNullPrincipal;
-    MOZ_ASSERT(NS_SUCCEEDED(mDoc->NodePrincipal()->GetIsNullPrincipal(&isNullPrincipal)) &&
-               isNullPrincipal);
-#endif
-  }
-
-  GetDocShell()->CreateAboutBlankContentViewer(newWindowPrincipal);
-
-  if (mDoc) {
-    mDoc->SetIsInitialDocument(true);
-  }
-
-  nsCOMPtr<nsIPresShell> shell = GetDocShell()->GetPresShell();
-
-  if (shell && !shell->DidInitialize()) {
-    // Ensure that if someone plays with this document they will get
-    // layout happening.
-    nsRect r = shell->GetPresContext()->GetVisibleArea();
-    shell->Initialize(r.Width(), r.Height());
-  }
-}
-
-PopupControlState
-PushPopupControlState(PopupControlState aState, bool aForce)
-{
-  MOZ_ASSERT(NS_IsMainThread());
-
-  PopupControlState oldState = gPopupControlState;
-
-  if (aState < gPopupControlState || aForce) {
-    gPopupControlState = aState;
-  }
-
-  return oldState;
-}
-
-void
-PopPopupControlState(PopupControlState aState)
-{
-  MOZ_ASSERT(NS_IsMainThread());
-
-  gPopupControlState = aState;
-}
-
-PopupControlState
-nsGlobalWindow::PushPopupControlState(PopupControlState aState,
-                                      bool aForce) const
-{
-  return ::PushPopupControlState(aState, aForce);
-}
-
-void
-nsGlobalWindow::PopPopupControlState(PopupControlState aState) const
-{
-  ::PopPopupControlState(aState);
-}
-
-PopupControlState
-nsGlobalWindow::GetPopupControlState() const
-{
-  MOZ_ASSERT(NS_IsMainThread());
-  return gPopupControlState;
-}
-
-#define WINDOWSTATEHOLDER_IID \
-{0x0b917c3e, 0xbd50, 0x4683, {0xaf, 0xc9, 0xc7, 0x81, 0x07, 0xae, 0x33, 0x26}}
-
-class WindowStateHolder final : public nsISupports
-{
-public:
-  NS_DECLARE_STATIC_IID_ACCESSOR(WINDOWSTATEHOLDER_IID)
-  NS_DECL_ISUPPORTS
-
-  explicit WindowStateHolder(nsGlobalWindowInner *aWindow);
-
-  nsGlobalWindowInner* GetInnerWindow() { return mInnerWindow; }
-
-  void DidRestoreWindow()
-  {
-    mInnerWindow = nullptr;
-    mInnerWindowReflector = nullptr;
-  }
-
-protected:
-  ~WindowStateHolder();
-
-  nsGlobalWindowInner *mInnerWindow;
-  // We hold onto this to make sure the inner window doesn't go away. The outer
-  // window ends up recalculating it anyway.
-  JS::PersistentRooted<JSObject*> mInnerWindowReflector;
-};
-
-NS_DEFINE_STATIC_IID_ACCESSOR(WindowStateHolder, WINDOWSTATEHOLDER_IID)
-
-WindowStateHolder::WindowStateHolder(nsGlobalWindowInner* aWindow)
-  : mInnerWindow(aWindow),
-    mInnerWindowReflector(RootingCx(), aWindow->GetWrapper())
-{
-  NS_PRECONDITION(aWindow, "null window");
-  NS_PRECONDITION(aWindow->IsInnerWindow(), "Saving an outer window");
-
-  aWindow->Suspend();
-
-  // When a global goes into the bfcache, we disable script.
-  xpc::Scriptability::Get(mInnerWindowReflector).SetDocShellAllowsScript(false);
-}
-
-WindowStateHolder::~WindowStateHolder()
-{
-  if (mInnerWindow) {
-    // This window was left in the bfcache and is now going away. We need to
-    // free it up.
-    // Note that FreeInnerObjects may already have been called on the
-    // inner window if its outer has already had SetDocShell(null)
-    // called.
-    mInnerWindow->FreeInnerObjects();
-  }
-}
-
-NS_IMPL_ISUPPORTS(WindowStateHolder, WindowStateHolder)
-
-// We need certain special behavior for remote XUL whitelisted domains, but we
-// don't want that behavior to take effect in automation, because we whitelist
-// all the mochitest domains. So we need to check a pref here.
-static bool
-TreatAsRemoteXUL(nsIPrincipal* aPrincipal)
-{
-  MOZ_ASSERT(!nsContentUtils::IsSystemPrincipal(aPrincipal));
-  return nsContentUtils::AllowXULXBLForPrincipal(aPrincipal) &&
-         !Preferences::GetBool("dom.use_xbl_scopes_for_remote_xul", false);
-}
-
-static bool
-EnablePrivilege(JSContext* cx, unsigned argc, JS::Value* vp)
-{
-  Telemetry::Accumulate(Telemetry::ENABLE_PRIVILEGE_EVER_CALLED, true);
-  return xpc::EnableUniversalXPConnect(cx);
-}
-
-static const JSFunctionSpec EnablePrivilegeSpec[] = {
-  JS_FN("enablePrivilege", EnablePrivilege, 1, 0),
-  JS_FS_END
-};
-
-static bool
-InitializeLegacyNetscapeObject(JSContext* aCx, JS::Handle<JSObject*> aGlobal)
-{
-  JSAutoCompartment ac(aCx, aGlobal);
-
-  // Note: MathJax depends on window.netscape being exposed. See bug 791526.
-  JS::Rooted<JSObject*> obj(aCx);
-  obj = JS_DefineObject(aCx, aGlobal, "netscape", nullptr);
-  NS_ENSURE_TRUE(obj, false);
-
-  obj = JS_DefineObject(aCx, obj, "security", nullptr);
-  NS_ENSURE_TRUE(obj, false);
-
-  // We hide enablePrivilege behind a pref because it has been altered in a
-  // way that makes it fundamentally insecure to use in production. Mozilla
-  // uses this pref during automated testing to support legacy test code that
-  // uses enablePrivilege. If you're not doing test automation, you _must_ not
-  // flip this pref, or you will be exposing all your users to security
-  // vulnerabilities.
-  if (!xpc::IsInAutomation()) {
-    return true;
-  }
-
-  /* Define PrivilegeManager object with the necessary "static" methods. */
-  obj = JS_DefineObject(aCx, obj, "PrivilegeManager", nullptr);
-  NS_ENSURE_TRUE(obj, false);
-
-  return JS_DefineFunctions(aCx, obj, EnablePrivilegeSpec);
-}
-
-bool
-nsGlobalWindow::ComputeIsSecureContext(nsIDocument* aDocument, SecureContextFlags aFlags)
-{
-  MOZ_ASSERT(IsOuterWindow());
-
-  nsCOMPtr<nsIPrincipal> principal = aDocument->NodePrincipal();
-  if (nsContentUtils::IsSystemPrincipal(principal)) {
-    return true;
-  }
-
-  // Implement https://w3c.github.io/webappsec-secure-contexts/#settings-object
-  // With some modifications to allow for aFlags.
-
-  bool hadNonSecureContextCreator = false;
-
-  nsPIDOMWindowOuter* parentOuterWin = GetScriptableParent();
-  MOZ_ASSERT(parentOuterWin, "How can we get here? No docShell somehow?");
-  if (nsGlobalWindowOuter::Cast(parentOuterWin) != this) {
-    // There may be a small chance that parentOuterWin has navigated in
-    // the time that it took us to start loading this sub-document.  If that
-    // were the case then parentOuterWin->GetCurrentInnerWindow() wouldn't
-    // return the window for the document that is embedding us.  For this
-    // reason we only use the GetScriptableParent call above to check that we
-    // have a same-type parent, but actually get the inner window via the
-    // document that we know is embedding us.
-    nsIDocument* creatorDoc = aDocument->GetParentDocument();
-    if (!creatorDoc) {
-      return false; // we must be tearing down
-    }
-    nsGlobalWindowInner* parentWin =
-      nsGlobalWindowInner::Cast(creatorDoc->GetInnerWindow());
-    if (!parentWin) {
-      return false; // we must be tearing down
-    }
-    MOZ_ASSERT(parentWin ==
-               nsGlobalWindowInner::Cast(parentOuterWin->GetCurrentInnerWindow()),
-               "Creator window mismatch while setting Secure Context state");
-    if (aFlags != SecureContextFlags::eIgnoreOpener) {
-      hadNonSecureContextCreator = !parentWin->IsSecureContext();
-    } else {
-      hadNonSecureContextCreator = !parentWin->IsSecureContextIfOpenerIgnored();
-    }
-  } else if (mHadOriginalOpener) {
-    if (aFlags != SecureContextFlags::eIgnoreOpener) {
-      hadNonSecureContextCreator = !mOriginalOpenerWasSecureContext;
-    }
-  }
-
-  if (hadNonSecureContextCreator) {
-    return false;
-  }
-
-  if (nsContentUtils::HttpsStateIsModern(aDocument)) {
-    return true;
-  }
-
-  if (principal->GetIsNullPrincipal()) {
-    nsCOMPtr<nsIURI> uri = aDocument->GetOriginalURI();
-    // IsOriginPotentiallyTrustworthy doesn't care about origin attributes so
-    // it doesn't actually matter what we use here, but reusing the document
-    // principal's attributes is convenient.
-    const OriginAttributes& attrs = principal->OriginAttributesRef();
-    // CreateCodebasePrincipal correctly gets a useful principal for blob: and
-    // other URI_INHERITS_SECURITY_CONTEXT URIs.
-    principal = BasePrincipal::CreateCodebasePrincipal(uri, attrs);
-    if (NS_WARN_IF(!principal)) {
-      return false;
-    }
-  }
-
-  nsCOMPtr<nsIContentSecurityManager> csm =
-    do_GetService(NS_CONTENTSECURITYMANAGER_CONTRACTID);
-  NS_WARNING_ASSERTION(csm, "csm is null");
-  if (csm) {
-    bool isTrustworthyOrigin = false;
-    csm->IsOriginPotentiallyTrustworthy(principal, &isTrustworthyOrigin);
-    if (isTrustworthyOrigin) {
-      return true;
-    }
-  }
-
-  return false;
-}
-
-static JS::CompartmentCreationOptions&
-SelectZoneGroup(nsGlobalWindowInner* aNewInner,
-                JS::CompartmentCreationOptions& aOptions)
-{
-  JS::CompartmentCreationOptions options;
-
-  if (aNewInner->GetOuterWindow()) {
-    nsGlobalWindowOuter *top = aNewInner->GetTopInternal();
-
-    // If we have a top-level window, use its zone (and zone group).
-    if (top && top->GetGlobalJSObject()) {
-      return aOptions.setExistingZone(top->GetGlobalJSObject());
-    }
-  }
-
-  // If we're in the parent process, don't bother with zone groups.
-  if (XRE_IsParentProcess()) {
-    return aOptions.setNewZoneInSystemZoneGroup();
-  }
-
-  // Otherwise, find a zone group from the TabGroup. Typically we only have to
-  // go through one iteration of this loop.
-  RefPtr<TabGroup> tabGroup = aNewInner->TabGroup();
-  for (nsPIDOMWindowOuter* outer : tabGroup->GetWindows()) {
-    nsGlobalWindowOuter* window = nsGlobalWindowOuter::Cast(outer);
-    if (JSObject* global = window->GetGlobalJSObject()) {
-      return aOptions.setNewZoneInExistingZoneGroup(global);
-    }
-  }
-
-  return aOptions.setNewZoneInNewZoneGroup();
-}
-
-/**
- * Create a new global object that will be used for an inner window.
- * Return the native global and an nsISupports 'holder' that can be used
- * to manage the lifetime of it.
- */
-static nsresult
-CreateNativeGlobalForInner(JSContext* aCx,
-                           nsGlobalWindowInner* aNewInner,
-                           nsIURI* aURI,
-                           nsIPrincipal* aPrincipal,
-                           JS::MutableHandle<JSObject*> aGlobal,
-                           bool aIsSecureContext)
-{
-  MOZ_ASSERT(aCx);
-  MOZ_ASSERT(aNewInner);
-  MOZ_ASSERT(aNewInner->IsInnerWindow());
-  MOZ_ASSERT(aPrincipal);
-
-  // DOMWindow with nsEP is not supported, we have to make sure
-  // no one creates one accidentally.
-  nsCOMPtr<nsIExpandedPrincipal> nsEP = do_QueryInterface(aPrincipal);
-  MOZ_RELEASE_ASSERT(!nsEP, "DOMWindow with nsEP is not supported");
-
-  JS::CompartmentOptions options;
-
-  SelectZoneGroup(aNewInner, options.creationOptions());
-
-  // Sometimes add-ons load their own XUL windows, either as separate top-level
-  // windows or inside a browser element. In such cases we want to tag the
-  // window's compartment with the add-on ID. See bug 1092156.
-  if (nsContentUtils::IsSystemPrincipal(aPrincipal)) {
-    options.creationOptions().setAddonId(MapURIToAddonID(aURI));
-  }
-
-  options.creationOptions().setSecureContext(aIsSecureContext);
-
-  xpc::InitGlobalObjectOptions(options, aPrincipal);
-
-  // Determine if we need the Components object.
-  bool needComponents = nsContentUtils::IsSystemPrincipal(aPrincipal) ||
-                        TreatAsRemoteXUL(aPrincipal);
-  uint32_t flags = needComponents ? 0 : xpc::OMIT_COMPONENTS_OBJECT;
-  flags |= xpc::DONT_FIRE_ONNEWGLOBALHOOK;
-
-  if (!WindowBinding::Wrap(aCx, aNewInner, aNewInner, options,
-                           nsJSPrincipals::get(aPrincipal), false, aGlobal) ||
-      !xpc::InitGlobalObject(aCx, aGlobal, flags)) {
-    return NS_ERROR_FAILURE;
-  }
-
-  MOZ_ASSERT(aNewInner->GetWrapperPreserveColor() == aGlobal);
-
-  // Set the location information for the new global, so that tools like
-  // about:memory may use that information
-  xpc::SetLocationForGlobal(aGlobal, aURI);
-
-  if (!InitializeLegacyNetscapeObject(aCx, aGlobal)) {
-    return NS_ERROR_FAILURE;
-  }
-
-  return NS_OK;
-}
-
-nsresult
-nsGlobalWindow::SetNewDocument(nsIDocument* aDocument,
-                               nsISupports* aState,
-                               bool aForceReuseInnerWindow)
-{
-  NS_PRECONDITION(mDocumentPrincipal == nullptr,
-                  "mDocumentPrincipal prematurely set!");
-  MOZ_ASSERT(aDocument);
-
-  if (IsInnerWindow()) {
-    if (!mOuterWindow) {
-      return NS_ERROR_NOT_INITIALIZED;
-    }
-
-    // Refuse to set a new document if the call came from an inner
-    // window that's not the current inner window.
-    if (mOuterWindow->GetCurrentInnerWindow() != AsInner()) {
-      return NS_ERROR_NOT_AVAILABLE;
-    }
-
-    return GetOuterWindowInternal()->SetNewDocument(aDocument, aState,
-                                                    aForceReuseInnerWindow);
-  }
-
-  NS_PRECONDITION(IsOuterWindow(), "Must only be called on outer windows");
-
-  // Bail out early if we're in process of closing down the window.
-  NS_ENSURE_STATE(!mCleanedUp);
-
-  NS_ASSERTION(!AsOuter()->GetCurrentInnerWindow() ||
-               AsOuter()->GetCurrentInnerWindow()->GetExtantDoc() == mDoc,
-               "Uh, mDoc doesn't match the current inner window "
-               "document!");
-
-  bool wouldReuseInnerWindow = WouldReuseInnerWindow(aDocument);
-  if (aForceReuseInnerWindow &&
-      !wouldReuseInnerWindow &&
-      mDoc &&
-      mDoc->NodePrincipal() != aDocument->NodePrincipal()) {
-    NS_ERROR("Attempted forced inner window reuse while changing principal");
-    return NS_ERROR_UNEXPECTED;
-  }
-
-  nsCOMPtr<nsIDocument> oldDoc = mDoc;
-
-  AutoJSAPI jsapi;
-  jsapi.Init();
-  JSContext *cx = jsapi.cx();
-
-  // Check if we're anywhere near the stack limit before we reach the
-  // transplanting code, since it has no good way to handle errors. This uses
-  // the untrusted script limit, which is not strictly necessary since no
-  // actual script should run.
-  if (!js::CheckRecursionLimitConservativeDontReport(cx)) {
-    NS_WARNING("Overrecursion in SetNewDocument");
-    return NS_ERROR_FAILURE;
-  }
-
-  if (!mDoc) {
-    // First document load.
-
-    // Get our private root. If it is equal to us, then we need to
-    // attach our global key bindings that handles browser scrolling
-    // and other browser commands.
-    nsPIDOMWindowOuter* privateRoot = GetPrivateRoot();
-
-    if (privateRoot == AsOuter()) {
-      nsXBLService::AttachGlobalKeyHandler(mChromeEventHandler);
-    }
-  }
-
-  /* No mDocShell means we're already been partially closed down.  When that
-     happens, setting status isn't a big requirement, so don't. (Doesn't happen
-     under normal circumstances, but bug 49615 describes a case.) */
-
-  nsContentUtils::AddScriptRunner(NewRunnableMethod(
-    "nsGlobalWindow::ClearStatus", this, &nsGlobalWindow::ClearStatus));
-
-  // Sometimes, WouldReuseInnerWindow() returns true even if there's no inner
-  // window (see bug 776497). Be safe.
-  bool reUseInnerWindow = (aForceReuseInnerWindow || wouldReuseInnerWindow) &&
-                          GetCurrentInnerWindowInternal();
-
-  nsresult rv = NS_OK;
-
-  // We set mDoc even though this is an outer window to avoid
-  // having to *always* reach into the inner window to find the
-  // document.
-  mDoc = aDocument;
-
-  // Take this opportunity to clear mSuspendedDoc. Our old inner window is now
-  // responsible for unsuspending it.
-  mSuspendedDoc = nullptr;
-
-#ifdef DEBUG
-  mLastOpenedURI = aDocument->GetDocumentURI();
-#endif
-
-  mContext->WillInitializeContext();
-
-  nsGlobalWindowInner *currentInner = GetCurrentInnerWindowInternal();
-
-  if (currentInner && currentInner->mNavigator) {
-    currentInner->mNavigator->OnNavigation();
-  }
-
-  RefPtr<nsGlobalWindowInner> newInnerWindow;
-  bool createdInnerWindow = false;
-
-  bool thisChrome = IsChromeWindow();
-
-  nsCOMPtr<WindowStateHolder> wsh = do_QueryInterface(aState);
-  NS_ASSERTION(!aState || wsh, "What kind of weird state are you giving me here?");
-
-  JS::Rooted<JSObject*> newInnerGlobal(cx);
-  if (reUseInnerWindow) {
-    // We're reusing the current inner window.
-    NS_ASSERTION(!currentInner->IsFrozen(),
-                 "We should never be reusing a shared inner window");
-    newInnerWindow = currentInner;
-    newInnerGlobal = currentInner->GetWrapperPreserveColor();
-
-    if (aDocument != oldDoc) {
-      JS::ExposeObjectToActiveJS(newInnerGlobal);
-    }
-
-    // We're reusing the inner window, but this still counts as a navigation,
-    // so all expandos and such defined on the outer window should go away. Force
-    // all Xray wrappers to be recomputed.
-    JS::Rooted<JSObject*> rootedObject(cx, GetWrapper());
-    if (!JS_RefreshCrossCompartmentWrappers(cx, rootedObject)) {
-      return NS_ERROR_FAILURE;
-    }
-
-    // Inner windows are only reused for same-origin principals, but the principals
-    // don't necessarily match exactly. Update the principal on the compartment to
-    // match the new document.
-    // NB: We don't just call currentInner->RefreshCompartmentPrincipals() here
-    // because we haven't yet set its mDoc to aDocument.
-    JSCompartment *compartment = js::GetObjectCompartment(newInnerGlobal);
-#ifdef DEBUG
-    bool sameOrigin = false;
-    nsIPrincipal *existing =
-      nsJSPrincipals::get(JS_GetCompartmentPrincipals(compartment));
-    aDocument->NodePrincipal()->Equals(existing, &sameOrigin);
-    MOZ_ASSERT(sameOrigin);
-#endif
-    MOZ_ASSERT_IF(aDocument == oldDoc,
-                  xpc::GetCompartmentPrincipal(compartment) ==
-                  aDocument->NodePrincipal());
-    if (aDocument != oldDoc) {
-      JS_SetCompartmentPrincipals(compartment,
-                                  nsJSPrincipals::get(aDocument->NodePrincipal()));
-      // Make sure we clear out the old content XBL scope, so the new one will
-      // get created with a principal that subsumes our new principal.
-      xpc::ClearContentXBLScope(newInnerGlobal);
-    }
-  } else {
-    if (aState) {
-      newInnerWindow = wsh->GetInnerWindow();
-      newInnerGlobal = newInnerWindow->GetWrapperPreserveColor();
-    } else {
-      newInnerWindow = nsGlobalWindowInner::Create(AssertOuter(), thisChrome);
-
-      // The outer window is automatically treated as frozen when we
-      // null out the inner window. As a result, initializing classes
-      // on the new inner won't end up reaching into the old inner
-      // window for classes etc.
-      //
-      // [This happens with Object.prototype when XPConnect creates
-      // a temporary global while initializing classes; the reason
-      // being that xpconnect creates the temp global w/o a parent
-      // and proto, which makes the JS engine look up classes in
-      // cx->globalObject, i.e. this outer window].
-
-      mInnerWindow = nullptr;
-
-      mCreatingInnerWindow = true;
-      // Every script context we are initialized with must create a
-      // new global.
-      rv = CreateNativeGlobalForInner(cx, newInnerWindow,
-                                      aDocument->GetDocumentURI(),
-                                      aDocument->NodePrincipal(),
-                                      &newInnerGlobal,
-                                      ComputeIsSecureContext(aDocument));
-      NS_ASSERTION(NS_SUCCEEDED(rv) && newInnerGlobal &&
-                   newInnerWindow->GetWrapperPreserveColor() == newInnerGlobal,
-                   "Failed to get script global");
-      newInnerWindow->mIsSecureContextIfOpenerIgnored =
-        ComputeIsSecureContext(aDocument, SecureContextFlags::eIgnoreOpener);
-
-      mCreatingInnerWindow = false;
-      createdInnerWindow = true;
-
-      NS_ENSURE_SUCCESS(rv, rv);
-    }
-
-    if (currentInner && currentInner->GetWrapperPreserveColor()) {
-      if (oldDoc == aDocument) {
-        // Make a copy of the old window's performance object on document.open.
-        // Note that we have to force eager creation of it here, because we need
-        // to grab the current document channel and whatnot before that changes.
-        currentInner->AsInner()->CreatePerformanceObjectIfNeeded();
-        if (currentInner->mPerformance) {
-          newInnerWindow->mPerformance =
-            Performance::CreateForMainThread(newInnerWindow->AsInner(),
-                                             currentInner->mPerformance->GetDOMTiming(),
-                                             currentInner->mPerformance->GetChannel());
-        }
-      }
-
-      // Don't free objects on our current inner window if it's going to be
-      // held in the bfcache.
-      if (!currentInner->IsFrozen()) {
-        currentInner->FreeInnerObjects();
-      }
-    }
-
-    mInnerWindow = newInnerWindow->AsInner();
-    MOZ_ASSERT(mInnerWindow);
-    mInnerWindow->TryToCacheTopInnerWindow();
-
-    if (!GetWrapperPreserveColor()) {
-      JS::Rooted<JSObject*> outer(cx,
-        NewOuterWindowProxy(cx, newInnerGlobal, thisChrome));
-      NS_ENSURE_TRUE(outer, NS_ERROR_FAILURE);
-
-      js::SetProxyReservedSlot(outer, 0, js::PrivateValue(ToSupports(this)));
-
-      // Inform the nsJSContext, which is the canonical holder of the outer.
-      mContext->SetWindowProxy(outer);
-      mContext->DidInitializeContext();
-
-      SetWrapper(mContext->GetWindowProxy());
-    } else {
-      JS::ExposeObjectToActiveJS(newInnerGlobal);
-      JS::Rooted<JSObject*> outerObject(cx,
-        NewOuterWindowProxy(cx, newInnerGlobal, thisChrome));
-      if (!outerObject) {
-        NS_ERROR("out of memory");
-        return NS_ERROR_FAILURE;
-      }
-
-      JS::Rooted<JSObject*> obj(cx, GetWrapperPreserveColor());
-
-      js::SetProxyReservedSlot(obj, 0, js::PrivateValue(nullptr));
-      js::SetProxyReservedSlot(outerObject, 0, js::PrivateValue(nullptr));
-
-      outerObject = xpc::TransplantObject(cx, obj, outerObject);
-      if (!outerObject) {
-        NS_ERROR("unable to transplant wrappers, probably OOM");
-        return NS_ERROR_FAILURE;
-      }
-
-      js::SetProxyReservedSlot(outerObject, 0, js::PrivateValue(ToSupports(this)));
-
-      SetWrapper(outerObject);
-
-      MOZ_ASSERT(js::GetGlobalForObjectCrossCompartment(outerObject) == newInnerGlobal);
-
-      // Inform the nsJSContext, which is the canonical holder of the outer.
-      mContext->SetWindowProxy(outerObject);
-    }
-
-    // Enter the new global's compartment.
-    JSAutoCompartment ac(cx, GetWrapperPreserveColor());
-
-    {
-      JS::Rooted<JSObject*> outer(cx, GetWrapperPreserveColor());
-      js::SetWindowProxy(cx, newInnerGlobal, outer);
-    }
-
-    // Set scriptability based on the state of the docshell.
-    bool allow = GetDocShell()->GetCanExecuteScripts();
-    xpc::Scriptability::Get(GetWrapperPreserveColor()).SetDocShellAllowsScript(allow);
-
-    if (!aState) {
-      // Get the "window" property once so it will be cached on our inner.  We
-      // have to do this here, not in binding code, because this has to happen
-      // after we've created the outer window proxy and stashed it in the outer
-      // nsGlobalWindow, so GetWrapperPreserveColor() on that outer
-      // nsGlobalWindow doesn't return null and nsGlobalWindow::OuterObject
-      // works correctly.
-      JS::Rooted<JS::Value> unused(cx);
-      if (!JS_GetProperty(cx, newInnerGlobal, "window", &unused)) {
-        NS_ERROR("can't create the 'window' property");
-        return NS_ERROR_FAILURE;
-      }
-
-      // And same thing for the "self" property.
-      if (!JS_GetProperty(cx, newInnerGlobal, "self", &unused)) {
-        NS_ERROR("can't create the 'self' property");
-        return NS_ERROR_FAILURE;
-      }
-    }
-  }
-
-  JSAutoCompartment ac(cx, GetWrapperPreserveColor());
-
-  if (!aState && !reUseInnerWindow) {
-    // Loading a new page and creating a new inner window, *not*
-    // restoring from session history.
-
-    // Now that both the the inner and outer windows are initialized
-    // let the script context do its magic to hook them together.
-    MOZ_ASSERT(mContext->GetWindowProxy() == GetWrapperPreserveColor());
-#ifdef DEBUG
-    JS::Rooted<JSObject*> rootedJSObject(cx, GetWrapperPreserveColor());
-    JS::Rooted<JSObject*> proto1(cx), proto2(cx);
-    JS_GetPrototype(cx, rootedJSObject, &proto1);
-    JS_GetPrototype(cx, newInnerGlobal, &proto2);
-    NS_ASSERTION(proto1 == proto2,
-                 "outer and inner globals should have the same prototype");
-#endif
-
-    mInnerWindow->SyncStateFromParentWindow();
-  }
-
-  // Add an extra ref in case we release mContext during GC.
-  nsCOMPtr<nsIScriptContext> kungFuDeathGrip(mContext);
-
-  aDocument->SetScriptGlobalObject(newInnerWindow);
-  MOZ_ASSERT(newInnerWindow->mTabGroup,
-             "We must have a TabGroup cached at this point");
-
-  if (!aState) {
-    if (reUseInnerWindow) {
-
-      if (newInnerWindow->mDoc != aDocument) {
-        newInnerWindow->mDoc = aDocument;
-
-        // The storage objects contain the URL of the window. We have to
-        // recreate them when the innerWindow is reused.
-        newInnerWindow->mLocalStorage = nullptr;
-        newInnerWindow->mSessionStorage = nullptr;
-
-        newInnerWindow->ClearDocumentDependentSlots(cx);
-      }
-    } else {
-      newInnerWindow->InnerSetNewDocument(cx, aDocument);
-
-      // Initialize DOM classes etc on the inner window.
-      JS::Rooted<JSObject*> obj(cx, newInnerGlobal);
-      rv = kungFuDeathGrip->InitClasses(obj);
-      NS_ENSURE_SUCCESS(rv, rv);
-    }
-
-    // If the document comes from a JAR, check if the channel was determined
-    // to be unsafe. If so, permanently disable script on the compartment by
-    // calling Block() and throwing away the key.
-    nsCOMPtr<nsIJARChannel> jarChannel = do_QueryInterface(aDocument->GetChannel());
-    if (jarChannel && jarChannel->GetIsUnsafe()) {
-      xpc::Scriptability::Get(newInnerGlobal).Block();
-    }
-
-    if (mArguments) {
-      newInnerWindow->DefineArgumentsProperty(mArguments);
-      mArguments = nullptr;
-    }
-
-    // Give the new inner window our chrome event handler (since it
-    // doesn't have one).
-    newInnerWindow->mChromeEventHandler = mChromeEventHandler;
-  }
-
-  // Ask the JS engine to assert that it's valid to access our DocGroup whenever
-  // it runs JS code for this compartment. We skip the check if this window is
-  // for chrome JS or an add-on.
-  nsCOMPtr<nsIPrincipal> principal = mDoc->NodePrincipal();
-  if (GetDocGroup() && !nsContentUtils::IsSystemPrincipal(principal) &&
-      !BasePrincipal::Cast(principal)->AddonPolicy()) {
-    js::SetCompartmentValidAccessPtr(cx, newInnerGlobal,
-                                     newInnerWindow->GetDocGroup()->GetValidAccessPtr());
-  }
-
-  kungFuDeathGrip->DidInitializeContext();
-
-  // We wait to fire the debugger hook until the window is all set up and hooked
-  // up with the outer. See bug 969156.
-  if (createdInnerWindow) {
-    nsContentUtils::AddScriptRunner(
-      NewRunnableMethod("nsGlobalWindow::FireOnNewGlobalObject",
-                        newInnerWindow,
-                        &nsGlobalWindow::FireOnNewGlobalObject));
-  }
-
-  if (newInnerWindow && !newInnerWindow->mHasNotifiedGlobalCreated && mDoc) {
-    // We should probably notify. However if this is the, arguably bad,
-    // situation when we're creating a temporary non-chrome-about-blank
-    // document in a chrome docshell, don't notify just yet. Instead wait
-    // until we have a real chrome doc.
-    if (!mDocShell ||
-        mDocShell->ItemType() != nsIDocShellTreeItem::typeChrome ||
-        nsContentUtils::IsSystemPrincipal(mDoc->NodePrincipal())) {
-      newInnerWindow->mHasNotifiedGlobalCreated = true;
-      nsContentUtils::AddScriptRunner(
-        NewRunnableMethod("nsGlobalWindow::DispatchDOMWindowCreated",
-                          this,
-                          &nsGlobalWindow::DispatchDOMWindowCreated));
-    }
-  }
-
-  PreloadLocalStorage();
-
-  // If we have a recorded interesting Large-Allocation header status, report it
-  // to the newly attached document.
-  ReportLargeAllocStatus();
-  mLargeAllocStatus = LargeAllocStatus::NONE;
-
-  return NS_OK;
-}
-
-void
-nsGlobalWindow::PreloadLocalStorage()
-{
-  MOZ_ASSERT(IsOuterWindow());
-
-  if (!Preferences::GetBool(kStorageEnabled)) {
-    return;
-  }
-
-  if (IsChromeWindow()) {
-    return;
-  }
-
-  nsIPrincipal* principal = GetPrincipal();
-  if (!principal) {
-    return;
-  }
-
-  nsresult rv;
-
-  nsCOMPtr<nsIDOMStorageManager> storageManager =
-    do_GetService("@mozilla.org/dom/localStorage-manager;1", &rv);
-  if (NS_FAILED(rv)) {
-    return;
-  }
-
-  // private browsing windows do not persist local storage to disk so we should
-  // only try to precache storage when we're not a private browsing window.
-  if (principal->GetPrivateBrowsingId() == 0) {
-    nsCOMPtr<nsIDOMStorage> storage;
-    rv = storageManager->PrecacheStorage(principal, getter_AddRefs(storage));
-    if (NS_SUCCEEDED(rv)) {
-      mLocalStorage = static_cast<Storage*>(storage.get());
-    }
-  }
-}
-
-void
-nsGlobalWindow::DispatchDOMWindowCreated()
-{
-  MOZ_ASSERT(IsOuterWindow());
-
-  if (!mDoc) {
-    return;
-  }
-
-  // Fire DOMWindowCreated at chrome event listeners
-  nsContentUtils::DispatchChromeEvent(mDoc, mDoc, NS_LITERAL_STRING("DOMWindowCreated"),
-                                      true /* bubbles */,
-                                      false /* not cancellable */);
-
-  nsCOMPtr<nsIObserverService> observerService =
-    mozilla::services::GetObserverService();
-
-  // The event dispatching could possibly cause docshell destory, and
-  // consequently cause mDoc to be set to nullptr by DropOuterWindowDocs(),
-  // so check it again here.
-  if (observerService && mDoc) {
-    nsAutoString origin;
-    nsIPrincipal* principal = mDoc->NodePrincipal();
-    nsContentUtils::GetUTFOrigin(principal, origin);
-    observerService->
-      NotifyObservers(static_cast<nsIDOMWindow*>(this),
-                      nsContentUtils::IsSystemPrincipal(principal) ?
-                        "chrome-document-global-created" :
-                        "content-document-global-created",
-                      origin.get());
-  }
-}
-
-void
-nsGlobalWindow::ClearStatus()
-{
-  SetStatusOuter(EmptyString());
-}
-
-void
-nsGlobalWindow::InnerSetNewDocument(JSContext* aCx, nsIDocument* aDocument)
-{
-  NS_PRECONDITION(IsInnerWindow(), "Must only be called on inner windows");
-  MOZ_ASSERT(aDocument);
-
-  if (MOZ_LOG_TEST(gDOMLeakPRLog, LogLevel::Debug)) {
-    nsIURI *uri = aDocument->GetDocumentURI();
-    MOZ_LOG(gDOMLeakPRLog, LogLevel::Debug,
-            ("DOMWINDOW %p SetNewDocument %s",
-             this, uri ? uri->GetSpecOrDefault().get() : ""));
-  }
-
-  mDoc = aDocument;
-  ClearDocumentDependentSlots(aCx);
-  mFocusedNode = nullptr;
-  mLocalStorage = nullptr;
-  mSessionStorage = nullptr;
-
-#ifdef DEBUG
-  mLastOpenedURI = aDocument->GetDocumentURI();
-#endif
-
-  Telemetry::Accumulate(Telemetry::INNERWINDOWS_WITH_MUTATION_LISTENERS,
-                        mMutationBits ? 1 : 0);
-
-  // Clear our mutation bitfield.
-  mMutationBits = 0;
-}
-
-void
-nsGlobalWindow::SetDocShell(nsIDocShell* aDocShell)
-{
-  NS_ASSERTION(IsOuterWindow(), "Uh, SetDocShell() called on inner window!");
-  MOZ_ASSERT(aDocShell);
-
-  if (aDocShell == mDocShell) {
-    return;
-  }
-
-  mDocShell = aDocShell; // Weak Reference
-
-  nsCOMPtr<nsPIDOMWindowOuter> parentWindow = GetScriptableParentOrNull();
-  MOZ_RELEASE_ASSERT(!parentWindow || !mTabGroup ||
-                     mTabGroup == nsGlobalWindowOuter::Cast(parentWindow)->mTabGroup);
-
-  mTopLevelOuterContentWindow =
-    !mIsChrome && GetScriptableTopInternal() == this;
-
-  NS_ASSERTION(!mNavigator, "Non-null mNavigator in outer window!");
-
-  if (mFrames) {
-    mFrames->SetDocShell(aDocShell);
-  }
-
-  // Get our enclosing chrome shell and retrieve its global window impl, so
-  // that we can do some forwarding to the chrome document.
-  nsCOMPtr<nsIDOMEventTarget> chromeEventHandler;
-  mDocShell->GetChromeEventHandler(getter_AddRefs(chromeEventHandler));
-  mChromeEventHandler = do_QueryInterface(chromeEventHandler);
-  if (!mChromeEventHandler) {
-    // We have no chrome event handler. If we have a parent,
-    // get our chrome event handler from the parent. If
-    // we don't have a parent, then we need to make a new
-    // window root object that will function as a chrome event
-    // handler and receive all events that occur anywhere inside
-    // our window.
-    nsCOMPtr<nsPIDOMWindowOuter> parentWindow = GetParent();
-    if (parentWindow.get() != AsOuter()) {
-      mChromeEventHandler = parentWindow->GetChromeEventHandler();
-    }
-    else {
-      mChromeEventHandler = NS_NewWindowRoot(AsOuter());
-      mIsRootOuterWindow = true;
-    }
-  }
-
-  bool docShellActive;
-  mDocShell->GetIsActive(&docShellActive);
-  SetIsBackgroundInternal(!docShellActive);
-}
-
-void
-nsGlobalWindow::DetachFromDocShell()
-{
-  NS_ASSERTION(IsOuterWindow(), "Uh, DetachFromDocShell() called on inner window!");
-
-  // DetachFromDocShell means the window is being torn down. Drop our
-  // reference to the script context, allowing it to be deleted
-  // later. Meanwhile, keep our weak reference to the script object
-  // so that it can be retrieved later (until it is finalized by the JS GC).
-
-  // Call FreeInnerObjects on all inner windows, not just the current
-  // one, since some could be held by WindowStateHolder objects that
-  // are GC-owned.
-  RefPtr<nsGlobalWindowInner> inner;
-  for (PRCList* node = PR_LIST_HEAD(this);
-       node != this;
-       node = PR_NEXT_LINK(inner)) {
-    // This cast is safe because `node != this`. Non-this nodes are inner windows.
-    inner = static_cast<nsGlobalWindowInner*>(node);
-    MOZ_ASSERT(inner->IsInnerWindow());
-    MOZ_ASSERT(!inner->mOuterWindow || inner->mOuterWindow == AsOuter());
-    inner->FreeInnerObjects();
-  }
-
-  // Don't report that we were detached to the nsWindowMemoryReporter, as it
-  // only tracks inner windows.
-
-  NotifyWindowIDDestroyed("outer-window-destroyed");
-
-  nsGlobalWindowInner *currentInner = GetCurrentInnerWindowInternal();
-
-  if (currentInner) {
-    NS_ASSERTION(mDoc, "Must have doc!");
-
-    // Remember the document's principal and URI.
-    mDocumentPrincipal = mDoc->NodePrincipal();
-    mDocumentURI = mDoc->GetDocumentURI();
-    mDocBaseURI = mDoc->GetDocBaseURI();
-
-    // Release our document reference
-    DropOuterWindowDocs();
-    mFocusedNode = nullptr;
-  }
-
-  ClearControllers();
-
-  mChromeEventHandler = nullptr; // force release now
-
-  if (mContext) {
-    // When we're about to destroy a top level content window
-    // (for example a tab), we trigger a full GC by passing null as the last
-    // param. We also trigger a full GC for chrome windows.
-    nsJSContext::PokeGC(JS::gcreason::SET_DOC_SHELL,
-                        (mTopLevelOuterContentWindow || mIsChrome) ?
-                          nullptr : GetWrapperPreserveColor());
-    mContext = nullptr;
-  }
-
-  mDocShell = nullptr; // Weak Reference
-
-  NS_ASSERTION(!mNavigator, "Non-null mNavigator in outer window!");
-
-  if (mFrames) {
-    mFrames->SetDocShell(nullptr);
-  }
-
-  MaybeForgiveSpamCount();
-  CleanUp();
-}
-
-void
-nsGlobalWindow::SetOpenerWindow(nsPIDOMWindowOuter* aOpener,
-                                bool aOriginalOpener)
-{
-  FORWARD_TO_OUTER_VOID(SetOpenerWindow, (aOpener, aOriginalOpener));
-
-  nsWeakPtr opener = do_GetWeakReference(aOpener);
-  if (opener == mOpener) {
-    return;
-  }
-
-  NS_ASSERTION(!aOriginalOpener || !mSetOpenerWindowCalled,
-               "aOriginalOpener is true, but not first call to "
-               "SetOpenerWindow!");
-  NS_ASSERTION(aOpener || !aOriginalOpener,
-               "Shouldn't set mHadOriginalOpener if aOpener is null");
-
-  mOpener = opener.forget();
-  NS_ASSERTION(mOpener || !aOpener, "Opener must support weak references!");
-
-  // Check that the js visible opener matches! We currently don't depend on this
-  // being true outside of nightly, so we disable the assertion in optimized
-  // release / beta builds.
-  nsPIDOMWindowOuter* contentOpener = GetSanitizedOpener(aOpener);
-
-  // contentOpener is not used when the DIAGNOSTIC_ASSERT is compiled out.
-  mozilla::Unused << contentOpener;
-  MOZ_DIAGNOSTIC_ASSERT(!contentOpener || !mTabGroup ||
-    mTabGroup == nsGlobalWindowOuter::Cast(contentOpener)->mTabGroup);
-
-  if (aOriginalOpener) {
-    MOZ_ASSERT(!mHadOriginalOpener,
-               "Probably too late to call ComputeIsSecureContext again");
-    mHadOriginalOpener = true;
-    mOriginalOpenerWasSecureContext =
-      aOpener->GetCurrentInnerWindow()->IsSecureContext();
-  }
-
-#ifdef DEBUG
-  mSetOpenerWindowCalled = true;
-#endif
-}
-
-static
-already_AddRefed<EventTarget>
-TryGetTabChildGlobalAsEventTarget(nsISupports *aFrom)
-{
-  nsCOMPtr<nsIFrameLoaderOwner> frameLoaderOwner = do_QueryInterface(aFrom);
-  if (!frameLoaderOwner) {
-    return nullptr;
-  }
-
-  RefPtr<nsFrameLoader> frameLoader = frameLoaderOwner->GetFrameLoader();
-  if (!frameLoader) {
-    return nullptr;
-  }
-
-  nsCOMPtr<EventTarget> target = frameLoader->GetTabChildGlobalAsEventTarget();
-  return target.forget();
-}
-
-void
-nsGlobalWindow::UpdateParentTarget()
-{
-  // Try to get our frame element's tab child global (its in-process message
-  // manager).  If that fails, fall back to the chrome event handler's tab
-  // child global, and if it doesn't have one, just use the chrome event
-  // handler itself.
-
-  nsCOMPtr<Element> frameElement = GetOuterWindow()->GetFrameElementInternal();
-  nsCOMPtr<EventTarget> eventTarget =
-    TryGetTabChildGlobalAsEventTarget(frameElement);
-
-  if (!eventTarget) {
-    nsGlobalWindowOuter* topWin = GetScriptableTopInternal();
-    if (topWin) {
-      frameElement = topWin->AsOuter()->GetFrameElementInternal();
-      eventTarget = TryGetTabChildGlobalAsEventTarget(frameElement);
-    }
-  }
-
-  if (!eventTarget) {
-    eventTarget = TryGetTabChildGlobalAsEventTarget(mChromeEventHandler);
-  }
-
-  if (!eventTarget) {
-    eventTarget = mChromeEventHandler;
-  }
-
-  mParentTarget = eventTarget;
-}
-
-EventTarget*
-nsGlobalWindow::GetTargetForDOMEvent()
-{
-  return GetOuterWindowInternal();
-}
-
-EventTarget*
-nsGlobalWindow::GetTargetForEventTargetChain()
-{
-  return IsInnerWindow() ? this : GetCurrentInnerWindowInternal();
-}
-
-nsresult
-nsGlobalWindow::WillHandleEvent(EventChainPostVisitor& aVisitor)
-{
-  return NS_OK;
-}
-
-nsresult
-nsGlobalWindow::GetEventTargetParent(EventChainPreVisitor& aVisitor)
-{
-  NS_PRECONDITION(IsInnerWindow(),
-                  "GetEventTargetParent is used on outer window!?");
-  EventMessage msg = aVisitor.mEvent->mMessage;
-
-  aVisitor.mCanHandle = true;
-  aVisitor.mForceContentDispatch = true; //FIXME! Bug 329119
-  if (msg == eResize && aVisitor.mEvent->IsTrusted()) {
-    // QIing to window so that we can keep the old behavior also in case
-    // a child window is handling resize.
-    nsCOMPtr<nsPIDOMWindowInner> window =
-      do_QueryInterface(aVisitor.mEvent->mOriginalTarget);
-    if (window) {
-      mIsHandlingResizeEvent = true;
-    }
-  } else if (msg == eMouseDown && aVisitor.mEvent->IsTrusted()) {
-    gMouseDown = true;
-  } else if ((msg == eMouseUp || msg == eDragEnd) &&
-             aVisitor.mEvent->IsTrusted()) {
-    gMouseDown = false;
-    if (gDragServiceDisabled) {
-      nsCOMPtr<nsIDragService> ds =
-        do_GetService("@mozilla.org/widget/dragservice;1");
-      if (ds) {
-        gDragServiceDisabled = false;
-        ds->Unsuppress();
-      }
-    }
-  }
-
-  aVisitor.mParentTarget = GetParentTarget();
-
-  // Handle 'active' event.
-  if (!mIdleObservers.IsEmpty() &&
-      aVisitor.mEvent->IsTrusted() &&
-      (aVisitor.mEvent->HasMouseEventMessage() ||
-       aVisitor.mEvent->HasDragEventMessage())) {
-    mAddActiveEventFuzzTime = false;
-  }
-
-  return NS_OK;
-}
-
-bool
-nsGlobalWindow::ShouldPromptToBlockDialogs()
-{
-  MOZ_ASSERT(IsOuterWindow());
-
-  nsGlobalWindowOuter *topWindowOuter = GetScriptableTopInternal();
-  if (!topWindowOuter) {
-    NS_ASSERTION(!mDocShell, "ShouldPromptToBlockDialogs() called without a top window?");
-    return true;
-  }
-
-  nsGlobalWindowInner* topWindow = topWindowOuter->GetCurrentInnerWindowInternal();
-  if (!topWindow) {
-    return true;
-  }
-
-  return topWindow->DialogsAreBeingAbused();
-}
-
-bool
-nsGlobalWindow::AreDialogsEnabled()
-{
-  MOZ_ASSERT(IsOuterWindow());
-
-  nsGlobalWindowOuter *topWindowOuter = GetScriptableTopInternal();
-  if (!topWindowOuter) {
-    NS_ERROR("AreDialogsEnabled() called without a top window?");
-    return false;
-  }
-
-  // TODO: Warn if no top window?
-  nsGlobalWindowInner* topWindow = topWindowOuter->GetCurrentInnerWindowInternal();
-  if (!topWindow) {
-    return false;
-  }
-
-  // Dialogs are blocked if the content viewer is hidden
-  if (mDocShell) {
-    nsCOMPtr<nsIContentViewer> cv;
-    mDocShell->GetContentViewer(getter_AddRefs(cv));
-
-    bool isHidden;
-    cv->GetIsHidden(&isHidden);
-    if (isHidden) {
-      return false;
-    }
-  }
-
-  // Dialogs are also blocked if the document is sandboxed with SANDBOXED_MODALS
-  // (or if we have no document, of course).  Which document?  Who knows; the
-  // spec is daft.  See <https://github.com/whatwg/html/issues/1206>.  For now
-  // just go ahead and check mDoc, since in everything except edge cases in
-  // which a frame is allow-same-origin but not allow-scripts and is being poked
-  // at by some other window this should be the right thing anyway.
-  if (!mDoc || (mDoc->GetSandboxFlags() & SANDBOXED_MODALS)) {
-    return false;
-  }
-
-  return topWindow->mAreDialogsEnabled;
-}
-
-bool
-nsGlobalWindow::DialogsAreBeingAbused()
-{
-  MOZ_ASSERT(IsInnerWindow());
-  NS_ASSERTION(GetScriptableTopInternal() &&
-               GetScriptableTopInternal()->GetCurrentInnerWindowInternal() == this,
-               "DialogsAreBeingAbused called with invalid window");
-
-  if (mLastDialogQuitTime.IsNull() ||
-      nsContentUtils::IsCallerChrome()) {
-    return false;
-  }
-
-  TimeDuration dialogInterval(TimeStamp::Now() - mLastDialogQuitTime);
-  if (dialogInterval.ToSeconds() <
-      Preferences::GetInt("dom.successive_dialog_time_limit",
-                          DEFAULT_SUCCESSIVE_DIALOG_TIME_LIMIT)) {
-    mDialogAbuseCount++;
-
-    return GetPopupControlState() > openAllowed ||
-           mDialogAbuseCount > MAX_SUCCESSIVE_DIALOG_COUNT;
-  }
-
-  // Reset the abuse counter
-  mDialogAbuseCount = 0;
-
-  return false;
-}
-
-bool
-nsGlobalWindow::ConfirmDialogIfNeeded()
-{
-  MOZ_ASSERT(IsOuterWindow());
-
-  NS_ENSURE_TRUE(mDocShell, false);
-  nsCOMPtr<nsIPromptService> promptSvc =
-    do_GetService("@mozilla.org/embedcomp/prompt-service;1");
-
-  if (!promptSvc) {
-    return true;
-  }
-
-  // Reset popup state while opening a modal dialog, and firing events
-  // about the dialog, to prevent the current state from being active
-  // the whole time a modal dialog is open.
-  nsAutoPopupStatePusher popupStatePusher(openAbused, true);
-
-  bool disableDialog = false;
-  nsAutoString label, title;
-  nsContentUtils::GetLocalizedString(nsContentUtils::eCOMMON_DIALOG_PROPERTIES,
-                                     "ScriptDialogLabel", label);
-  nsContentUtils::GetLocalizedString(nsContentUtils::eCOMMON_DIALOG_PROPERTIES,
-                                     "ScriptDialogPreventTitle", title);
-  promptSvc->Confirm(AsOuter(), title.get(), label.get(), &disableDialog);
-  if (disableDialog) {
-    DisableDialogs();
-    return false;
-  }
-
-  return true;
-}
-
-void
-nsGlobalWindow::DisableDialogs()
-{
-  nsGlobalWindowOuter *topWindowOuter = GetScriptableTopInternal();
-  if (!topWindowOuter) {
-    NS_ERROR("DisableDialogs() called without a top window?");
-    return;
-  }
-
-  nsGlobalWindowInner* topWindow = topWindowOuter->GetCurrentInnerWindowInternal();
-  // TODO: Warn if no top window?
-  if (topWindow) {
-    topWindow->mAreDialogsEnabled = false;
-  }
-}
-
-void
-nsGlobalWindow::EnableDialogs()
-{
-  nsGlobalWindowOuter *topWindowOuter = GetScriptableTopInternal();
-  if (!topWindowOuter) {
-    NS_ERROR("EnableDialogs() called without a top window?");
-    return;
-  }
-
-  // TODO: Warn if no top window?
-  nsGlobalWindowInner* topWindow = topWindowOuter->GetCurrentInnerWindowInternal();
-  if (topWindow) {
-    topWindow->mAreDialogsEnabled = true;
-  }
-}
-
-nsresult
-nsGlobalWindow::PostHandleEvent(EventChainPostVisitor& aVisitor)
-{
-  NS_PRECONDITION(IsInnerWindow(), "PostHandleEvent is used on outer window!?");
-
-  // Return early if there is nothing to do.
-  switch (aVisitor.mEvent->mMessage) {
-    case eResize:
-    case eUnload:
-    case eLoad:
-      break;
-    default:
-      return NS_OK;
-  }
-
-  /* mChromeEventHandler and mContext go dangling in the middle of this
-   function under some circumstances (events that destroy the window)
-   without this addref. */
-  nsCOMPtr<nsIDOMEventTarget> kungFuDeathGrip1(mChromeEventHandler);
-  mozilla::Unused << kungFuDeathGrip1; // These aren't referred to through the function
-  nsCOMPtr<nsIScriptContext> kungFuDeathGrip2(GetContextInternal());
-  mozilla::Unused << kungFuDeathGrip2; // These aren't referred to through the function
-
-
-  if (aVisitor.mEvent->mMessage == eResize) {
-    mIsHandlingResizeEvent = false;
-  } else if (aVisitor.mEvent->mMessage == eUnload &&
-             aVisitor.mEvent->IsTrusted()) {
-
-    // If any VR display presentation is active at unload, the next page
-    // will receive a vrdisplayactive event to indicate that it should
-    // immediately begin vr presentation. This should occur when navigating
-    // forwards, navigating backwards, and on page reload.
-    for (const auto& display : mVRDisplays) {
-      if (display->IsPresenting()) {
-        // Save this VR display ID to trigger vrdisplayactivate event
-        // after the next load event.
-        nsGlobalWindowOuter* outer = GetOuterWindowInternal();
-        if (outer) {
-          outer->SetAutoActivateVRDisplayID(display->DisplayId());
-        }
-
-        // XXX The WebVR 1.1 spec does not define which of multiple VR
-        // presenting VR displays will be chosen during navigation.
-        // As the underlying platform VR API's currently only allow a single
-        // VR display, it is safe to choose the first VR display for now.
-        break;
-      }
-    }
-    // Execute bindingdetached handlers before we tear ourselves
-    // down.
-    if (mDoc) {
-      mDoc->BindingManager()->ExecuteDetachedHandlers();
-    }
-    mIsDocumentLoaded = false;
-  } else if (aVisitor.mEvent->mMessage == eLoad &&
-             aVisitor.mEvent->IsTrusted()) {
-    // This is page load event since load events don't propagate to |window|.
-    // @see nsDocument::GetEventTargetParent.
-    mIsDocumentLoaded = true;
-
-    mTimeoutManager->OnDocumentLoaded();
-
-    nsCOMPtr<Element> element = GetOuterWindow()->GetFrameElementInternal();
-    nsIDocShell* docShell = GetDocShell();
-    if (element && GetParentInternal() &&
-        docShell && docShell->ItemType() != nsIDocShellTreeItem::typeChrome) {
-      // If we're not in chrome, or at a chrome boundary, fire the
-      // onload event for the frame element.
-
-      nsEventStatus status = nsEventStatus_eIgnore;
-      WidgetEvent event(aVisitor.mEvent->IsTrusted(), eLoad);
-      event.mFlags.mBubbles = false;
-      event.mFlags.mCancelable = false;
-
-      // Most of the time we could get a pres context to pass in here,
-      // but not always (i.e. if this window is not shown there won't
-      // be a pres context available). Since we're not firing a GUI
-      // event we don't need a pres context anyway so we just pass
-      // null as the pres context all the time here.
-      EventDispatcher::Dispatch(element, nullptr, &event, nullptr, &status);
-    }
-
-    uint32_t autoActivateVRDisplayID = 0;
-    nsGlobalWindowOuter* outer = GetOuterWindowInternal();
-    if (outer) {
-      autoActivateVRDisplayID = outer->GetAutoActivateVRDisplayID();
-    }
-    if (autoActivateVRDisplayID) {
-      DispatchVRDisplayActivate(autoActivateVRDisplayID,
-                                VRDisplayEventReason::Navigation);
-    }
-  }
-
-  return NS_OK;
-}
-
-void
-nsGlobalWindow::PoisonOuterWindowProxy(JSObject *aObject)
-{
-  MOZ_ASSERT(IsOuterWindow());
-  if (aObject == GetWrapperMaybeDead()) {
-    PoisonWrapper();
-  }
-}
-
-nsresult
-nsGlobalWindow::SetArguments(nsIArray *aArguments)
-{
-  MOZ_ASSERT(IsOuterWindow());
-  nsresult rv;
-
-  // Historically, we've used the same machinery to handle openDialog arguments
-  // (exposed via window.arguments) and showModalDialog arguments (exposed via
-  // window.dialogArguments), even though the former is XUL-only and uses an XPCOM
-  // array while the latter is web-exposed and uses an arbitrary JS value.
-  // Moreover, per-spec |dialogArguments| is a property of the browsing context
-  // (outer), whereas |arguments| lives on the inner.
-  //
-  // We've now mostly separated them, but the difference is still opaque to
-  // nsWindowWatcher (the caller of SetArguments in this little back-and-forth
-  // embedding waltz we do here).
-  //
-  // So we need to demultiplex the two cases here.
-  nsGlobalWindowInner *currentInner = GetCurrentInnerWindowInternal();
-
-  mArguments = aArguments;
-  rv = currentInner->DefineArgumentsProperty(aArguments);
-  NS_ENSURE_SUCCESS(rv, rv);
-
-  return NS_OK;
-}
-
-nsresult
-nsGlobalWindow::DefineArgumentsProperty(nsIArray *aArguments)
-{
-  MOZ_ASSERT(IsInnerWindow());
-
-  nsIScriptContext *ctx = GetOuterWindowInternal()->mContext;
-  NS_ENSURE_TRUE(aArguments && ctx, NS_ERROR_NOT_INITIALIZED);
-
-  JS::Rooted<JSObject*> obj(RootingCx(), GetWrapperPreserveColor());
-  return ctx->SetProperty(obj, "arguments", aArguments);
-}
-
-//*****************************************************************************
-// nsGlobalWindow::nsIScriptObjectPrincipal
-//*****************************************************************************
-
-nsIPrincipal*
-nsGlobalWindow::GetPrincipal()
-{
-  if (mDoc) {
-    // If we have a document, get the principal from the document
-    return mDoc->NodePrincipal();
-  }
-
-  if (mDocumentPrincipal) {
-    return mDocumentPrincipal;
-  }
-
-  // If we don't have a principal and we don't have a document we
-  // ask the parent window for the principal. This can happen when
-  // loading a frameset that has a <frame src="javascript:xxx">, in
-  // that case the global window is used in JS before we've loaded
-  // a document into the window.
-
-  nsCOMPtr<nsIScriptObjectPrincipal> objPrincipal =
-    do_QueryInterface(GetParentInternal());
-
-  if (objPrincipal) {
-    return objPrincipal->GetPrincipal();
-  }
-
-  return nullptr;
-}
-
-//*****************************************************************************
-// nsGlobalWindow::nsIDOMWindow
-//*****************************************************************************
-
-template <class T>
-nsIURI*
-nsPIDOMWindow<T>::GetDocumentURI() const
-{
-  return mDoc ? mDoc->GetDocumentURI() : mDocumentURI.get();
-}
-
-template <class T>
-nsIURI*
-nsPIDOMWindow<T>::GetDocBaseURI() const
-{
-  return mDoc ? mDoc->GetDocBaseURI() : mDocBaseURI.get();
-}
-
-template <class T>
-void
-nsPIDOMWindow<T>::MaybeCreateDoc()
-{
-  MOZ_ASSERT(!mDoc);
-  if (nsIDocShell* docShell = GetDocShell()) {
-    // Note that |document| here is the same thing as our mDoc, but we
-    // don't have to explicitly set the member variable because the docshell
-    // has already called SetNewDocument().
-    nsCOMPtr<nsIDocument> document = docShell->GetDocument();
-    Unused << document;
-  }
-}
-
-void
-nsPIDOMWindowOuter::SetInitialKeyboardIndicators(
-  UIStateChangeType aShowAccelerators, UIStateChangeType aShowFocusRings)
-{
-  MOZ_ASSERT(IsOuterWindow());
-  MOZ_ASSERT(!GetCurrentInnerWindow());
-
-  nsPIDOMWindowOuter* piWin = GetPrivateRoot();
-  if (!piWin) {
-    return;
-  }
-
-  MOZ_ASSERT(piWin == AsOuter());
-
-  // only change the flags that have been modified
-  nsCOMPtr<nsPIWindowRoot> windowRoot = do_QueryInterface(mChromeEventHandler);
-  if (!windowRoot) {
-    return;
-  }
-
-  if (aShowAccelerators != UIStateChangeType_NoChange) {
-    windowRoot->SetShowAccelerators(aShowAccelerators == UIStateChangeType_Set);
-  }
-  if (aShowFocusRings != UIStateChangeType_NoChange) {
-    windowRoot->SetShowFocusRings(aShowFocusRings == UIStateChangeType_Set);
-  }
-
-  nsContentUtils::SetKeyboardIndicatorsOnRemoteChildren(GetOuterWindow(),
-                                                        aShowAccelerators,
-                                                        aShowFocusRings);
-}
-
-Element*
-nsPIDOMWindowOuter::GetFrameElementInternal() const
-{
-  MOZ_ASSERT(IsOuterWindow());
-  return mFrameElement;
-}
-
-void
-nsPIDOMWindowOuter::SetFrameElementInternal(Element* aFrameElement)
-{
-  MOZ_ASSERT(IsOuterWindow());
-  mFrameElement = aFrameElement;
-}
-
-bool
-nsPIDOMWindowInner::AddAudioContext(AudioContext* aAudioContext)
-{
-  MOZ_ASSERT(IsInnerWindow());
-
-  mAudioContexts.AppendElement(aAudioContext);
-
-  // Return true if the context should be muted and false if not.
-  nsIDocShell* docShell = GetDocShell();
-  return docShell && !docShell->GetAllowMedia() && !aAudioContext->IsOffline();
-}
-
-void
-nsPIDOMWindowInner::RemoveAudioContext(AudioContext* aAudioContext)
-{
-  MOZ_ASSERT(IsInnerWindow());
-
-  mAudioContexts.RemoveElement(aAudioContext);
-}
-
-void
-nsPIDOMWindowInner::MuteAudioContexts()
-{
-  MOZ_ASSERT(IsInnerWindow());
-
-  for (uint32_t i = 0; i < mAudioContexts.Length(); ++i) {
-    if (!mAudioContexts[i]->IsOffline()) {
-      mAudioContexts[i]->Mute();
-    }
-  }
-}
-
-void
-nsPIDOMWindowInner::UnmuteAudioContexts()
-{
-  MOZ_ASSERT(IsInnerWindow());
-
-  for (uint32_t i = 0; i < mAudioContexts.Length(); ++i) {
-    if (!mAudioContexts[i]->IsOffline()) {
-      mAudioContexts[i]->Unmute();
-    }
-  }
-}
-
-nsGlobalWindowInner*
-nsGlobalWindow::Window()
-{
-  return AssertInner();
-}
-
-nsGlobalWindowInner*
-nsGlobalWindow::Self()
-{
-  return AssertInner();
-}
-
-Navigator*
-nsGlobalWindow::Navigator()
-{
-  MOZ_RELEASE_ASSERT(IsInnerWindow());
-
-  if (!mNavigator) {
-    mNavigator = new mozilla::dom::Navigator(AsInner());
-  }
-
-  return mNavigator;
-}
-
-nsIDOMNavigator*
-nsGlobalWindow::GetNavigator()
-{
-  FORWARD_TO_INNER(GetNavigator, (), nullptr);
-
-  return Navigator();
-}
-
-nsScreen*
-nsGlobalWindow::GetScreen(ErrorResult& aError)
-{
-  MOZ_RELEASE_ASSERT(IsInnerWindow());
-
-  if (!mScreen) {
-    mScreen = nsScreen::Create(AsInner());
-    if (!mScreen) {
-      aError.Throw(NS_ERROR_UNEXPECTED);
-      return nullptr;
-    }
-  }
-
-  return mScreen;
-}
-
-nsIDOMScreen*
-nsGlobalWindow::GetScreen()
-{
-  FORWARD_TO_INNER(GetScreen, (), nullptr);
-
-  ErrorResult dummy;
-  nsIDOMScreen* screen = GetScreen(dummy);
-  dummy.SuppressException();
-  return screen;
-}
-
-nsHistory*
-nsGlobalWindow::GetHistory(ErrorResult& aError)
-{
-  MOZ_RELEASE_ASSERT(IsInnerWindow());
-
-  if (!mHistory) {
-    mHistory = new nsHistory(AsInner());
-  }
-
-  return mHistory;
-}
-
-CustomElementRegistry*
-nsGlobalWindow::CustomElements()
-{
-  MOZ_RELEASE_ASSERT(IsInnerWindow());
-
-  if (!mCustomElements) {
-    mCustomElements = new CustomElementRegistry(AsInner());
-  }
-
-  return mCustomElements;
-}
-
-Performance*
-nsPIDOMWindowInner::GetPerformance()
-{
-  MOZ_ASSERT(IsInnerWindow());
-  CreatePerformanceObjectIfNeeded();
-  return mPerformance;
-}
-
-Performance*
-nsGlobalWindow::GetPerformance()
-{
-  return AsInner()->GetPerformance();
-}
-
-void
-nsPIDOMWindowInner::CreatePerformanceObjectIfNeeded()
-{
-  MOZ_ASSERT(IsInnerWindow());
-
-  if (mPerformance || !mDoc) {
-    return;
-  }
-  RefPtr<nsDOMNavigationTiming> timing = mDoc->GetNavigationTiming();
-  nsCOMPtr<nsITimedChannel> timedChannel(do_QueryInterface(mDoc->GetChannel()));
-  bool timingEnabled = false;
-  if (!timedChannel ||
-      !NS_SUCCEEDED(timedChannel->GetTimingEnabled(&timingEnabled)) ||
-      !timingEnabled) {
-    timedChannel = nullptr;
-  }
-  if (timing) {
-    mPerformance = Performance::CreateForMainThread(this, timing, timedChannel);
-  }
-}
-
-bool
-nsPIDOMWindowInner::IsSecureContext() const
-{
-  return nsGlobalWindowInner::Cast(this)->IsSecureContext();
-}
-
-bool
-nsPIDOMWindowInner::IsSecureContextIfOpenerIgnored() const
-{
-  return nsGlobalWindowInner::Cast(this)->IsSecureContextIfOpenerIgnored();
-}
-
-void
-nsPIDOMWindowInner::Suspend()
-{
-  nsGlobalWindowInner::Cast(this)->Suspend();
-}
-
-void
-nsPIDOMWindowInner::Resume()
-{
-  nsGlobalWindowInner::Cast(this)->Resume();
-}
-
-void
-nsPIDOMWindowInner::Freeze()
-{
-  nsGlobalWindowInner::Cast(this)->Freeze();
-}
-
-void
-nsPIDOMWindowInner::Thaw()
-{
-  nsGlobalWindowInner::Cast(this)->Thaw();
-}
-
-void
-nsPIDOMWindowInner::SyncStateFromParentWindow()
-{
-  nsGlobalWindowInner::Cast(this)->SyncStateFromParentWindow();
-}
-
-void
-nsGlobalWindow::UpdateTopInnerWindow()
-{
-  if (!IsInnerWindow() || AsInner()->IsTopInnerWindow() || !mTopInnerWindow) {
-    return;
-  }
-
-  mTopInnerWindow->UpdateWebSocketCount(-(int32_t)mNumOfOpenWebSockets);
-}
-
-void
-nsPIDOMWindowInner::AddPeerConnection()
-{
-  MOZ_ASSERT(NS_IsMainThread());
-  MOZ_ASSERT(IsInnerWindow());
-  mTopInnerWindow ? mTopInnerWindow->mActivePeerConnections++
-                  : mActivePeerConnections++;
-}
-
-void
-nsPIDOMWindowInner::RemovePeerConnection()
-{
-  MOZ_ASSERT(NS_IsMainThread());
-  MOZ_ASSERT(IsInnerWindow());
-  MOZ_ASSERT(mTopInnerWindow ? mTopInnerWindow->mActivePeerConnections
-                             : mActivePeerConnections);
-
-  mTopInnerWindow ? mTopInnerWindow->mActivePeerConnections--
-                  : mActivePeerConnections--;
-}
-
-bool
-nsPIDOMWindowInner::HasActivePeerConnections()
-{
-  MOZ_ASSERT(NS_IsMainThread());
-  MOZ_ASSERT(IsInnerWindow());
-  return mTopInnerWindow ? mTopInnerWindow->mActivePeerConnections
-                         : mActivePeerConnections;
-}
-
-bool
-nsPIDOMWindowInner::IsPlayingAudio()
-{
-  for (uint32_t i = 0; i < mAudioContexts.Length(); i++) {
-    if (mAudioContexts[i]->IsRunning()) {
-      return true;
-    }
-  }
-  RefPtr<AudioChannelService> acs = AudioChannelService::Get();
-  if (!acs) {
-    return false;
-  }
-  auto outer = GetOuterWindow();
-  if (!outer) {
-    // We've been unlinked and are about to die.  Not a good time to pretend to
-    // be playing audio.
-    return false;
-  }
-  return acs->IsWindowActive(outer);
-}
-
-bool
-nsPIDOMWindowInner::IsDocumentLoaded() const
-{
-  return mIsDocumentLoaded;
-}
-
-mozilla::dom::TimeoutManager&
-nsPIDOMWindowInner::TimeoutManager()
-{
-  return *mTimeoutManager;
-}
-
-bool
-nsPIDOMWindowInner::IsRunningTimeout()
-{
-  return TimeoutManager().IsRunningTimeout();
-}
-
-void
-nsPIDOMWindowInner::TryToCacheTopInnerWindow()
-{
-  if (mHasTriedToCacheTopInnerWindow) {
-    return;
-  }
-
-  MOZ_ASSERT(!mInnerObjectsFreed);
-
-  mHasTriedToCacheTopInnerWindow = true;
-
-  nsGlobalWindowInner* window = nsGlobalWindowInner::Cast(AsInner());
-
-  MOZ_ASSERT(window);
-
-  if (nsCOMPtr<nsPIDOMWindowOuter> topOutter = window->GetScriptableTop()) {
-    mTopInnerWindow = topOutter->GetCurrentInnerWindow();
-  }
-}
-
-void
-nsPIDOMWindowInner::UpdateActiveIndexedDBTransactionCount(int32_t aDelta)
-{
-  MOZ_ASSERT(NS_IsMainThread());
-
-  if (aDelta == 0) {
-    return;
-  }
-
-  TabGroup()->IndexedDBTransactionCounter() += aDelta;
-}
-
-void
-nsPIDOMWindowInner::UpdateActiveIndexedDBDatabaseCount(int32_t aDelta)
-{
-  MOZ_ASSERT(NS_IsMainThread());
-
-  if (aDelta == 0) {
-    return;
-  }
-
-  // We count databases but not transactions because only active databases
-  // could block throttling.
-  uint32_t& counter = mTopInnerWindow ?
-    mTopInnerWindow->mNumOfIndexedDBDatabases : mNumOfIndexedDBDatabases;
-
-  counter+= aDelta;
-
-  TabGroup()->IndexedDBDatabaseCounter() += aDelta;
-}
-
-bool
-nsPIDOMWindowInner::HasActiveIndexedDBDatabases()
-{
-  MOZ_ASSERT(NS_IsMainThread());
-
-  return mTopInnerWindow ?
-    mTopInnerWindow->mNumOfIndexedDBDatabases > 0 :
-    mNumOfIndexedDBDatabases > 0;
-}
-
-void
-nsPIDOMWindowInner::UpdateWebSocketCount(int32_t aDelta)
-{
-  MOZ_ASSERT(NS_IsMainThread());
-
-  if (aDelta == 0) {
-    return;
-  }
-
-  if (mTopInnerWindow && !IsTopInnerWindow()) {
-    mTopInnerWindow->UpdateWebSocketCount(aDelta);
-  }
-
-  MOZ_DIAGNOSTIC_ASSERT(
-    aDelta > 0 || ((aDelta + mNumOfOpenWebSockets) < mNumOfOpenWebSockets));
-
-  mNumOfOpenWebSockets += aDelta;
-}
-
-bool
-nsPIDOMWindowInner::HasOpenWebSockets() const
-{
-  MOZ_ASSERT(NS_IsMainThread());
-
-  return mNumOfOpenWebSockets ||
-         (mTopInnerWindow && mTopInnerWindow->mNumOfOpenWebSockets);
-}
-
-void
-nsPIDOMWindowOuter::MaybeActiveMediaComponents()
-{
-  if (IsInnerWindow()) {
-    return mOuterWindow->MaybeActiveMediaComponents();
-  }
-
-  if (mMediaSuspend != nsISuspendedTypes::SUSPENDED_BLOCK) {
-    return;
-  }
-
-  MOZ_LOG(AudioChannelService::GetAudioChannelLog(), LogLevel::Debug,
-         ("nsPIDOMWindowOuter, MaybeActiveMediaComponents, "
-          "resume the window from blocked, this = %p\n", this));
-
-  SetMediaSuspend(nsISuspendedTypes::NONE_SUSPENDED);
-}
-
-SuspendTypes
-nsPIDOMWindowOuter::GetMediaSuspend() const
-{
-  if (IsInnerWindow()) {
-    return mOuterWindow->GetMediaSuspend();
-  }
-
-  return mMediaSuspend;
-}
-
-void
-nsPIDOMWindowOuter::SetMediaSuspend(SuspendTypes aSuspend)
-{
-  if (IsInnerWindow()) {
-    mOuterWindow->SetMediaSuspend(aSuspend);
-    return;
-  }
-
-  if (!IsDisposableSuspend(aSuspend)) {
-    MaybeNotifyMediaResumedFromBlock(aSuspend);
-    mMediaSuspend = aSuspend;
-  }
-
-  RefreshMediaElementsSuspend(aSuspend);
-}
-
-void
-nsPIDOMWindowOuter::MaybeNotifyMediaResumedFromBlock(SuspendTypes aSuspend)
-{
-  if (mMediaSuspend == nsISuspendedTypes::SUSPENDED_BLOCK &&
-      aSuspend == nsISuspendedTypes::NONE_SUSPENDED) {
-    RefPtr<AudioChannelService> service = AudioChannelService::GetOrCreate();
-    if (service) {
-      service->NotifyMediaResumedFromBlock(GetOuterWindow());
-    }
-  }
-}
-
-bool
-nsPIDOMWindowOuter::GetAudioMuted() const
-{
-  if (IsInnerWindow()) {
-    return mOuterWindow->GetAudioMuted();
-  }
-
-  return mAudioMuted;
-}
-
-void
-nsPIDOMWindowOuter::SetAudioMuted(bool aMuted)
-{
-  if (IsInnerWindow()) {
-    mOuterWindow->SetAudioMuted(aMuted);
-    return;
-  }
-
-  if (mAudioMuted == aMuted) {
-    return;
-  }
-
-  mAudioMuted = aMuted;
-  RefreshMediaElementsVolume();
-}
-
-float
-nsPIDOMWindowOuter::GetAudioVolume() const
-{
-  if (IsInnerWindow()) {
-    return mOuterWindow->GetAudioVolume();
-  }
-
-  return mAudioVolume;
-}
-
-nsresult
-nsPIDOMWindowOuter::SetAudioVolume(float aVolume)
-{
-  if (IsInnerWindow()) {
-    return mOuterWindow->SetAudioVolume(aVolume);
-  }
-
-  if (aVolume < 0.0) {
-    return NS_ERROR_DOM_INDEX_SIZE_ERR;
-  }
-
-  if (mAudioVolume == aVolume) {
-    return NS_OK;
-  }
-
-  mAudioVolume = aVolume;
-  RefreshMediaElementsVolume();
-  return NS_OK;
-}
-
-void
-nsPIDOMWindowOuter::RefreshMediaElementsVolume()
-{
-  RefPtr<AudioChannelService> service = AudioChannelService::GetOrCreate();
-  if (service) {
-    service->RefreshAgentsVolume(GetOuterWindow());
-  }
-}
-
-void
-nsPIDOMWindowOuter::RefreshMediaElementsSuspend(SuspendTypes aSuspend)
-{
-  RefPtr<AudioChannelService> service = AudioChannelService::GetOrCreate();
-  if (service) {
-    service->RefreshAgentsSuspend(GetOuterWindow(), aSuspend);
-  }
-}
-
-bool
-nsPIDOMWindowOuter::IsDisposableSuspend(SuspendTypes aSuspend) const
-{
-  return (aSuspend == nsISuspendedTypes::SUSPENDED_PAUSE_DISPOSABLE ||
-          aSuspend == nsISuspendedTypes::SUSPENDED_STOP_DISPOSABLE);
-}
-
-void
-nsPIDOMWindowOuter::SetServiceWorkersTestingEnabled(bool aEnabled)
-{
-  // Devtools should only be setting this on the top level window.  Its
-  // ok if devtools clears the flag on clean up of nested windows, though.
-  // It will have no affect.
-#ifdef DEBUG
-  nsCOMPtr<nsPIDOMWindowOuter> topWindow = GetScriptableTop();
-  MOZ_ASSERT_IF(aEnabled, this == topWindow);
-#endif
-  mServiceWorkersTestingEnabled = aEnabled;
-}
-
-bool
-nsPIDOMWindowOuter::GetServiceWorkersTestingEnabled()
-{
-  // Automatically get this setting from the top level window so that nested
-  // iframes get the correct devtools setting.
-  nsCOMPtr<nsPIDOMWindowOuter> topWindow = GetScriptableTop();
-  if (!topWindow) {
-    return false;
-  }
-  return topWindow->mServiceWorkersTestingEnabled;
-}
-
-bool
-nsPIDOMWindowInner::GetAudioCaptured() const
-{
-  MOZ_ASSERT(IsInnerWindow());
-  return mAudioCaptured;
-}
-
-nsresult
-nsPIDOMWindowInner::SetAudioCapture(bool aCapture)
-{
-  MOZ_ASSERT(IsInnerWindow());
-
-  mAudioCaptured = aCapture;
-
-  RefPtr<AudioChannelService> service = AudioChannelService::GetOrCreate();
-  if (service) {
-    service->SetWindowAudioCaptured(GetOuterWindow(), mWindowID, aCapture);
-  }
-
-  return NS_OK;
-}
-
-// nsISpeechSynthesisGetter
-
-#ifdef MOZ_WEBSPEECH
-SpeechSynthesis*
-nsGlobalWindow::GetSpeechSynthesis(ErrorResult& aError)
-{
-  MOZ_RELEASE_ASSERT(IsInnerWindow());
-
-  if (!mSpeechSynthesis) {
-    mSpeechSynthesis = new SpeechSynthesis(AsInner());
-  }
-
-  return mSpeechSynthesis;
-}
-
-bool
-nsGlobalWindow::HasActiveSpeechSynthesis()
-{
-  MOZ_ASSERT(IsInnerWindow());
-
-  if (mSpeechSynthesis) {
-    return !mSpeechSynthesis->HasEmptyQueue();
-  }
-
-  return false;
-}
-
-#endif
-
-already_AddRefed<nsPIDOMWindowOuter>
-nsGlobalWindow::GetParentOuter()
-{
-  MOZ_RELEASE_ASSERT(IsOuterWindow());
-
-  if (!mDocShell) {
-    return nullptr;
-  }
-
-  nsCOMPtr<nsPIDOMWindowOuter> parent;
-  if (mDocShell->GetIsMozBrowser()) {
-    parent = AsOuter();
-  } else {
-    parent = GetParent();
-  }
-
-  return parent.forget();
-}
-
-already_AddRefed<nsPIDOMWindowOuter>
-nsGlobalWindow::GetParent(ErrorResult& aError)
-{
-  FORWARD_TO_OUTER_OR_THROW(GetParentOuter, (), aError, nullptr);
-}
-
-/**
- * GetScriptableParent is called when script reads window.parent.
- *
- * In contrast to GetRealParent, GetScriptableParent respects <iframe
- * mozbrowser> boundaries, so if |this| is contained by an <iframe
- * mozbrowser>, we will return |this| as its own parent.
- */
-nsPIDOMWindowOuter*
-nsGlobalWindow::GetScriptableParent()
-{
-  FORWARD_TO_OUTER(GetScriptableParent, (), nullptr);
-
-  nsCOMPtr<nsPIDOMWindowOuter> parent = GetParentOuter();
-  return parent.get();
-}
-
-/**
- * Behavies identically to GetScriptableParent extept that it returns null
- * if GetScriptableParent would return this window.
- */
-nsPIDOMWindowOuter*
-nsGlobalWindow::GetScriptableParentOrNull()
-{
-  FORWARD_TO_OUTER(GetScriptableParentOrNull, (), nullptr);
-
-  nsPIDOMWindowOuter* parent = GetScriptableParent();
-  return (nsGlobalWindowOuter::Cast(parent) == this) ? nullptr : parent;
-}
-
-/**
- * nsPIDOMWindow::GetParent (when called from C++) is just a wrapper around
- * GetRealParent.
- */
-already_AddRefed<nsPIDOMWindowOuter>
-nsGlobalWindow::GetParent()
-{
-  MOZ_ASSERT(IsOuterWindow());
-
-  if (!mDocShell) {
-    return nullptr;
-  }
-
-  nsCOMPtr<nsIDocShell> parent;
-  mDocShell->GetSameTypeParentIgnoreBrowserBoundaries(getter_AddRefs(parent));
-
-  if (parent) {
-    nsCOMPtr<nsPIDOMWindowOuter> win = parent->GetWindow();
-    return win.forget();
-  }
-
-  nsCOMPtr<nsPIDOMWindowOuter> win(AsOuter());
-  return win.forget();
-}
-
-static nsresult
-GetTopImpl(nsGlobalWindowOuter* aWin, nsPIDOMWindowOuter** aTop, bool aScriptable)
-{
-  *aTop = nullptr;
-
-  // Walk up the parent chain.
-
-  nsCOMPtr<nsPIDOMWindowOuter> prevParent = aWin->AsOuter();
-  nsCOMPtr<nsPIDOMWindowOuter> parent = aWin->AsOuter();
-  do {
-    if (!parent) {
-      break;
-    }
-
-    prevParent = parent;
-
-    nsCOMPtr<nsPIDOMWindowOuter> newParent;
-    if (aScriptable) {
-      newParent = parent->GetScriptableParent();
-    }
-    else {
-      newParent = parent->GetParent();
-    }
-
-    parent = newParent;
-
-  } while (parent != prevParent);
-
-  if (parent) {
-    parent.swap(*aTop);
-  }
-
-  return NS_OK;
-}
-
-/**
- * GetScriptableTop is called when script reads window.top.
- *
- * In contrast to GetRealTop, GetScriptableTop respects <iframe mozbrowser>
- * boundaries.  If we encounter a window owned by an <iframe mozbrowser> while
- * walking up the window hierarchy, we'll stop and return that window.
- */
-nsPIDOMWindowOuter*
-nsGlobalWindow::GetScriptableTop()
-{
-  FORWARD_TO_OUTER(GetScriptableTop, (), nullptr);
-  nsCOMPtr<nsPIDOMWindowOuter> window;
-  GetTopImpl(AssertOuter(), getter_AddRefs(window), /* aScriptable = */ true);
-  return window.get();
-}
-
-already_AddRefed<nsPIDOMWindowOuter>
-nsGlobalWindow::GetTop()
-{
-  MOZ_ASSERT(IsOuterWindow());
-  nsCOMPtr<nsPIDOMWindowOuter> window;
-  GetTopImpl(AssertOuter(), getter_AddRefs(window), /* aScriptable = */ false);
-  return window.forget();
-}
-
-void
-nsGlobalWindow::GetContentOuter(JSContext* aCx,
-                                JS::MutableHandle<JSObject*> aRetval,
-                                CallerType aCallerType,
-                                ErrorResult& aError)
-{
-  MOZ_RELEASE_ASSERT(IsOuterWindow());
-
-  nsCOMPtr<nsPIDOMWindowOuter> content =
-    GetContentInternal(aError, aCallerType);
-  if (aError.Failed()) {
-    return;
-  }
-
-  if (content) {
-    JS::Rooted<JS::Value> val(aCx);
-    aError = nsContentUtils::WrapNative(aCx, content, &val);
-    if (aError.Failed()) {
-      return;
-    }
-
-    aRetval.set(&val.toObject());
-    return;
-  }
-
-  aRetval.set(nullptr);
-}
-
-void
-nsGlobalWindow::GetContent(JSContext* aCx,
-                           JS::MutableHandle<JSObject*> aRetval,
-                           CallerType aCallerType,
-                           ErrorResult& aError)
-{
-  FORWARD_TO_OUTER_OR_THROW(GetContentOuter,
-                            (aCx, aRetval, aCallerType, aError), aError, );
-}
-
-already_AddRefed<nsPIDOMWindowOuter>
-nsGlobalWindow::GetContentInternal(ErrorResult& aError, CallerType aCallerType)
-{
-  MOZ_ASSERT(IsOuterWindow());
-
-  // First check for a named frame named "content"
-  nsCOMPtr<nsPIDOMWindowOuter> domWindow =
-    GetChildWindow(NS_LITERAL_STRING("content"));
-  if (domWindow) {
-    return domWindow.forget();
-  }
-
-  // If we're contained in <iframe mozbrowser>, then GetContent is the same as
-  // window.top.
-  if (mDocShell && mDocShell->GetIsInMozBrowser()) {
-    return GetTopOuter();
-  }
-
-  nsCOMPtr<nsIDocShellTreeItem> primaryContent;
-  if (aCallerType != CallerType::System) {
-    if (mDoc) {
-      mDoc->WarnOnceAbout(nsIDocument::eWindowContentUntrusted);
-    }
-    // If we're called by non-chrome code, make sure we don't return
-    // the primary content window if the calling tab is hidden. In
-    // such a case we return the same-type root in the hidden tab,
-    // which is "good enough", for now.
-    nsCOMPtr<nsIBaseWindow> baseWin(do_QueryInterface(mDocShell));
-
-    if (baseWin) {
-      bool visible = false;
-      baseWin->GetVisibility(&visible);
-
-      if (!visible) {
-        mDocShell->GetSameTypeRootTreeItem(getter_AddRefs(primaryContent));
-      }
-    }
-  }
-
-  if (!primaryContent) {
-    nsCOMPtr<nsIDocShellTreeOwner> treeOwner = GetTreeOwner();
-    if (!treeOwner) {
-      aError.Throw(NS_ERROR_FAILURE);
-      return nullptr;
-    }
-
-    treeOwner->GetPrimaryContentShell(getter_AddRefs(primaryContent));
-  }
-
-  if (!primaryContent) {
-    return nullptr;
-  }
-
-  domWindow = primaryContent->GetWindow();
-  return domWindow.forget();
-}
-
-MozSelfSupport*
-nsGlobalWindow::GetMozSelfSupport(ErrorResult& aError)
-{
-  MOZ_ASSERT(IsInnerWindow());
-
-  if (mMozSelfSupport) {
-    return mMozSelfSupport;
-  }
-
-  // We're called from JS and want to use out existing JSContext (and,
-  // importantly, its compartment!) here.
-  AutoJSContext cx;
-  GlobalObject global(cx, FastGetGlobalJSObject());
-  mMozSelfSupport = MozSelfSupport::Constructor(global, cx, aError);
-  return mMozSelfSupport;
-}
-
-nsresult
-nsGlobalWindow::GetPrompter(nsIPrompt** aPrompt)
-{
-  if (IsInnerWindow()) {
-    nsGlobalWindowOuter* outer = GetOuterWindowInternal();
-    if (!outer) {
-      NS_WARNING("No outer window available!");
-      return NS_ERROR_NOT_INITIALIZED;
-    }
-    return outer->GetPrompter(aPrompt);
-  }
-
-  if (!mDocShell)
-    return NS_ERROR_FAILURE;
-
-  nsCOMPtr<nsIPrompt> prompter(do_GetInterface(mDocShell));
-  NS_ENSURE_TRUE(prompter, NS_ERROR_NO_INTERFACE);
-
-  prompter.forget(aPrompt);
-  return NS_OK;
-}
-
-BarProp*
-nsGlobalWindow::GetMenubar(ErrorResult& aError)
-{
-  MOZ_RELEASE_ASSERT(IsInnerWindow());
-
-  if (!mMenubar) {
-    mMenubar = new MenubarProp(AssertInner());
-  }
-
-  return mMenubar;
-}
-
-BarProp*
-nsGlobalWindow::GetToolbar(ErrorResult& aError)
-{
-  MOZ_RELEASE_ASSERT(IsInnerWindow());
-
-  if (!mToolbar) {
-    mToolbar = new ToolbarProp(AssertInner());
-  }
-
-  return mToolbar;
-}
-
-BarProp*
-nsGlobalWindow::GetLocationbar(ErrorResult& aError)
-{
-  MOZ_RELEASE_ASSERT(IsInnerWindow());
-
-  if (!mLocationbar) {
-    mLocationbar = new LocationbarProp(AssertInner());
-  }
-  return mLocationbar;
-}
-
-BarProp*
-nsGlobalWindow::GetPersonalbar(ErrorResult& aError)
-{
-  MOZ_RELEASE_ASSERT(IsInnerWindow());
-
-  if (!mPersonalbar) {
-    mPersonalbar = new PersonalbarProp(AssertInner());
-  }
-  return mPersonalbar;
-}
-
-BarProp*
-nsGlobalWindow::GetStatusbar(ErrorResult& aError)
-{
-  MOZ_RELEASE_ASSERT(IsInnerWindow());
-
-  if (!mStatusbar) {
-    mStatusbar = new StatusbarProp(AssertInner());
-  }
-  return mStatusbar;
-}
-
-BarProp*
-nsGlobalWindow::GetScrollbars(ErrorResult& aError)
-{
-  MOZ_RELEASE_ASSERT(IsInnerWindow());
-
-  if (!mScrollbars) {
-    mScrollbars = new ScrollbarsProp(AssertInner());
-  }
-
-  return mScrollbars;
-}
-
-bool
-nsGlobalWindow::GetClosedOuter()
-{
-  MOZ_RELEASE_ASSERT(IsOuterWindow());
-
-  // If someone called close(), or if we don't have a docshell, we're closed.
-  return mIsClosed || !mDocShell;
-}
-
-bool
-nsGlobalWindow::GetClosed(ErrorResult& aError)
-{
-  FORWARD_TO_OUTER_OR_THROW(GetClosedOuter, (), aError, false);
-}
-
-bool
-nsGlobalWindow::Closed()
-{
-  MOZ_ASSERT(IsOuterWindow());
-
-  return GetClosedOuter();
-}
-
-nsDOMWindowList*
-nsGlobalWindow::GetWindowList()
-{
-  MOZ_ASSERT(IsOuterWindow());
-
-  if (!mFrames && mDocShell) {
-    mFrames = new nsDOMWindowList(mDocShell);
-  }
-
-  return mFrames;
-}
-
-already_AddRefed<nsIDOMWindowCollection>
-nsGlobalWindow::GetFrames()
-{
-  FORWARD_TO_OUTER(GetFrames, (), nullptr);
-
-  nsCOMPtr<nsIDOMWindowCollection> frames = GetWindowList();
-  return frames.forget();
-}
-
-already_AddRefed<nsPIDOMWindowOuter>
-nsGlobalWindow::IndexedGetterOuter(uint32_t aIndex)
-{
-  MOZ_RELEASE_ASSERT(IsOuterWindow());
-
-  nsDOMWindowList* windows = GetWindowList();
-  NS_ENSURE_TRUE(windows, nullptr);
-
-  return windows->IndexedGetter(aIndex);
-}
-
-already_AddRefed<nsPIDOMWindowOuter>
-nsGlobalWindow::IndexedGetter(uint32_t aIndex)
-{
-  FORWARD_TO_OUTER(IndexedGetterOuter, (aIndex), nullptr);
-  MOZ_CRASH();
-}
-
-bool
-nsGlobalWindow::DoResolve(JSContext* aCx, JS::Handle<JSObject*> aObj,
-                          JS::Handle<jsid> aId,
-                          JS::MutableHandle<JS::PropertyDescriptor> aDesc)
-{
-  MOZ_ASSERT(IsInnerWindow());
-
-  // Note: Keep this in sync with MayResolve.
-
-  // Note: The infallibleInit call in GlobalResolve depends on this check.
-  if (!JSID_IS_STRING(aId)) {
-    return true;
-  }
-
-  bool found;
-  if (!WebIDLGlobalNameHash::DefineIfEnabled(aCx, aObj, aId, aDesc, &found)) {
-    return false;
-  }
-
-  if (found) {
-    return true;
-  }
-
-  nsresult rv = nsWindowSH::GlobalResolve(AssertInner(), aCx, aObj, aId, aDesc);
-  if (NS_FAILED(rv)) {
-    return Throw(aCx, rv);
-  }
-
-  return true;
-}
-
-/* static */
-bool
-nsGlobalWindow::MayResolve(jsid aId)
-{
-  // Note: This function does not fail and may not have any side-effects.
-  // Note: Keep this in sync with DoResolve.
-  if (!JSID_IS_STRING(aId)) {
-    return false;
-  }
-
-  if (aId == XPCJSRuntime::Get()->GetStringID(XPCJSContext::IDX_COMPONENTS)) {
-    return true;
-  }
-
-  if (aId == XPCJSRuntime::Get()->GetStringID(XPCJSContext::IDX_CONTROLLERS) ||
-      aId == XPCJSRuntime::Get()->GetStringID(XPCJSContext::IDX_CONTROLLERS_CLASS)) {
-    // We only resolve .controllers/.Controllers in release builds and on non-chrome
-    // windows, but let's not worry about any of that stuff.
-    return true;
-  }
-
-  if (WebIDLGlobalNameHash::MayResolve(aId)) {
-    return true;
-  }
-
-  nsScriptNameSpaceManager *nameSpaceManager = PeekNameSpaceManager();
-  if (!nameSpaceManager) {
-    // Really shouldn't happen.  Fail safe.
-    return true;
-  }
-
-  nsAutoString name;
-  AssignJSFlatString(name, JSID_TO_FLAT_STRING(aId));
-
-  return nameSpaceManager->LookupName(name);
-}
-
-void
-nsGlobalWindow::GetOwnPropertyNames(JSContext* aCx, JS::AutoIdVector& aNames,
-                                    bool aEnumerableOnly, ErrorResult& aRv)
-{
-  if (aEnumerableOnly) {
-    // The names we would return from here get defined on the window via one of
-    // two codepaths.  The ones coming from the WebIDLGlobalNameHash will end up
-    // in the DefineConstructor function in BindingUtils, which always defines
-    // things as non-enumerable.  The ones coming from the script namespace
-    // manager get defined by nsDOMClassInfo::PostCreatePrototype calling
-    // ResolvePrototype and using the resulting descriptot to define the
-    // property.  ResolvePrototype always passes 0 to the FillPropertyDescriptor
-    // for the property attributes, so all those are non-enumerable as well.
-    //
-    // So in the aEnumerableOnly case we have nothing to do.
-    return;
-  }
-
-  MOZ_ASSERT(IsInnerWindow());
-  // "Components" is marked as enumerable but only resolved on demand :-/.
-  //aNames.AppendElement(NS_LITERAL_STRING("Components"));
-
-  nsScriptNameSpaceManager* nameSpaceManager = GetNameSpaceManager();
-  if (nameSpaceManager) {
-    JS::Rooted<JSObject*> wrapper(aCx, GetWrapper());
-
-    // There are actually two ways we can get called here: For normal
-    // enumeration or for Xray enumeration.  In the latter case, we want to
-    // return all possible WebIDL names, because we don't really support
-    // deleting these names off our Xray; trying to resolve them will just make
-    // them come back.  In the former case, we want to avoid returning deleted
-    // names.  But the JS engine already knows about the non-deleted
-    // already-resolved names, so we can just return the so-far-unresolved ones.
-    //
-    // We can tell which case we're in by whether aCx is in our wrapper's
-    // compartment.  If not, we're in the Xray case.
-    WebIDLGlobalNameHash::NameType nameType =
-      js::IsObjectInContextCompartment(wrapper, aCx) ?
-        WebIDLGlobalNameHash::UnresolvedNamesOnly :
-        WebIDLGlobalNameHash::AllNames;
-    if (!WebIDLGlobalNameHash::GetNames(aCx, wrapper, nameType, aNames)) {
-      aRv.NoteJSContextException(aCx);
-    }
-
-    for (auto i = nameSpaceManager->GlobalNameIter(); !i.Done(); i.Next()) {
-      const GlobalNameMapEntry* entry = i.Get();
-      if (nsWindowSH::NameStructEnabled(aCx, AssertInner(), entry->mKey,
-                                        entry->mGlobalName)) {
-        // Just append all of these; even if they get deleted our resolve hook
-        // just goes ahead and recreates them.
-        JSString* str = JS_AtomizeUCStringN(aCx,
-                                            entry->mKey.BeginReading(),
-                                            entry->mKey.Length());
-        if (!str || !aNames.append(NON_INTEGER_ATOM_TO_JSID(str))) {
-          aRv.NoteJSContextException(aCx);
-          return;
-        }
-      }
-    }
-  }
-}
-
-/* static */ bool
-nsGlobalWindow::IsPrivilegedChromeWindow(JSContext* aCx, JSObject* aObj)
-{
-  // For now, have to deal with XPConnect objects here.
-  return xpc::WindowOrNull(aObj)->IsChromeWindow() &&
-         nsContentUtils::ObjectPrincipal(aObj) == nsContentUtils::GetSystemPrincipal();
-}
-
-/* static */ bool
-nsGlobalWindow::IsRequestIdleCallbackEnabled(JSContext* aCx, JSObject* aObj)
-{
-  // The requestIdleCallback should always be enabled for system code.
-  return nsContentUtils::RequestIdleCallbackEnabled() ||
-         nsContentUtils::IsSystemCaller(aCx);
-}
-
-nsIDOMOfflineResourceList*
-nsGlobalWindow::GetApplicationCache(ErrorResult& aError)
-{
-  MOZ_RELEASE_ASSERT(IsInnerWindow());
-
-  if (!mApplicationCache) {
-    nsCOMPtr<nsIWebNavigation> webNav(do_QueryInterface(GetDocShell()));
-    if (!webNav || !mDoc) {
-      aError.Throw(NS_ERROR_FAILURE);
-      return nullptr;
-    }
-
-    nsCOMPtr<nsIURI> uri;
-    aError = webNav->GetCurrentURI(getter_AddRefs(uri));
-    if (aError.Failed()) {
-      return nullptr;
-    }
-
-    nsCOMPtr<nsIURI> manifestURI;
-    nsContentUtils::GetOfflineAppManifest(mDoc, getter_AddRefs(manifestURI));
-
-    RefPtr<nsDOMOfflineResourceList> applicationCache =
-      new nsDOMOfflineResourceList(manifestURI, uri, mDoc->NodePrincipal(),
-                                   AsInner());
-
-    applicationCache->Init();
-
-    mApplicationCache = applicationCache;
-  }
-
-  return mApplicationCache;
-}
-
-already_AddRefed<nsIDOMOfflineResourceList>
-nsGlobalWindow::GetApplicationCache()
-{
-  FORWARD_TO_INNER(GetApplicationCache, (), nullptr);
-
-  ErrorResult dummy;
-  nsCOMPtr<nsIDOMOfflineResourceList> applicationCache =
-    GetApplicationCache(dummy);
-  dummy.SuppressException();
-  return applicationCache.forget();
-}
-
-Crypto*
-nsGlobalWindow::GetCrypto(ErrorResult& aError)
-{
-  MOZ_RELEASE_ASSERT(IsInnerWindow());
-
-  if (!mCrypto) {
-    mCrypto = new Crypto();
-    mCrypto->Init(this);
-  }
-  return mCrypto;
-}
-
-mozilla::dom::U2F*
-nsGlobalWindow::GetU2f(ErrorResult& aError)
-{
-  MOZ_RELEASE_ASSERT(IsInnerWindow());
-
-  if (!mU2F) {
-    RefPtr<U2F> u2f = new U2F(AsInner());
-    u2f->Init(aError);
-    if (NS_WARN_IF(aError.Failed())) {
-      return nullptr;
-    }
-
-    mU2F = u2f;
-  }
-  return mU2F;
-}
-
-nsIControllers*
-nsGlobalWindow::GetControllersOuter(ErrorResult& aError)
-{
-  MOZ_RELEASE_ASSERT(IsOuterWindow());
-
-  if (!mControllers) {
-    nsresult rv;
-    mControllers = do_CreateInstance(kXULControllersCID, &rv);
-    if (NS_FAILED(rv)) {
-      aError.Throw(rv);
-      return nullptr;
-    }
-
-    // Add in the default controller
-    nsCOMPtr<nsIController> controller = do_CreateInstance(
-                               NS_WINDOWCONTROLLER_CONTRACTID, &rv);
-    if (NS_FAILED(rv)) {
-      aError.Throw(rv);
-      return nullptr;
-    }
-
-    mControllers->InsertControllerAt(0, controller);
-    nsCOMPtr<nsIControllerContext> controllerContext = do_QueryInterface(controller);
-    if (!controllerContext) {
-      aError.Throw(NS_ERROR_FAILURE);
-      return nullptr;
-    }
-
-    controllerContext->SetCommandContext(static_cast<nsIDOMWindow*>(this));
-  }
-
-  return mControllers;
-}
-
-nsIControllers*
-nsGlobalWindow::GetControllers(ErrorResult& aError)
-{
-  FORWARD_TO_OUTER_OR_THROW(GetControllersOuter, (aError), aError, nullptr);
-}
-
-nsresult
-nsGlobalWindow::GetControllers(nsIControllers** aResult)
-{
-  FORWARD_TO_INNER(GetControllers, (aResult), NS_ERROR_UNEXPECTED);
-
-  ErrorResult rv;
-  nsCOMPtr<nsIControllers> controllers = GetControllers(rv);
-  controllers.forget(aResult);
-
-  return rv.StealNSResult();
-}
-
-nsPIDOMWindowOuter*
-nsGlobalWindow::GetSanitizedOpener(nsPIDOMWindowOuter* aOpener)
-{
-  if (!aOpener) {
-    return nullptr;
-  }
-
-  nsGlobalWindowOuter* win = nsGlobalWindowOuter::Cast(aOpener);
-
-  // First, ensure that we're not handing back a chrome window to content:
-  if (win->IsChromeWindow()) {
-    return nullptr;
-  }
-
-  // We don't want to reveal the opener if the opener is a mail window,
-  // because opener can be used to spoof the contents of a message (bug 105050).
-  // So, we look in the opener's root docshell to see if it's a mail window.
-  nsCOMPtr<nsIDocShell> openerDocShell = aOpener->GetDocShell();
-
-  if (openerDocShell) {
-    nsCOMPtr<nsIDocShellTreeItem> openerRootItem;
-    openerDocShell->GetRootTreeItem(getter_AddRefs(openerRootItem));
-    nsCOMPtr<nsIDocShell> openerRootDocShell(do_QueryInterface(openerRootItem));
-    if (openerRootDocShell) {
-      uint32_t appType;
-      nsresult rv = openerRootDocShell->GetAppType(&appType);
-      if (NS_SUCCEEDED(rv) && appType != nsIDocShell::APP_TYPE_MAIL) {
-        return aOpener;
-      }
-    }
-  }
-
-  return nullptr;
-}
-
-nsPIDOMWindowOuter*
-nsGlobalWindow::GetOpenerWindowOuter()
-{
-  MOZ_RELEASE_ASSERT(IsOuterWindow());
-
-  nsCOMPtr<nsPIDOMWindowOuter> opener = do_QueryReferent(mOpener);
-
-  if (!opener) {
-    return nullptr;
-  }
-
-  // First, check if we were called from a privileged chrome script
-  if (nsContentUtils::LegacyIsCallerChromeOrNativeCode()) {
-    // Catch the case where we're chrome but the opener is not...
-    if (GetPrincipal() == nsContentUtils::GetSystemPrincipal() &&
-        nsGlobalWindowOuter::Cast(opener)->GetPrincipal() != nsContentUtils::GetSystemPrincipal()) {
-      return nullptr;
-    }
-    return opener;
-  }
-
-  return GetSanitizedOpener(opener);
-}
-
-nsPIDOMWindowOuter*
-nsGlobalWindow::GetOpenerWindow(ErrorResult& aError)
-{
-  FORWARD_TO_OUTER_OR_THROW(GetOpenerWindowOuter, (), aError, nullptr);
-}
-
-void
-nsGlobalWindow::GetOpener(JSContext* aCx, JS::MutableHandle<JS::Value> aRetval,
-                          ErrorResult& aError)
-{
-  MOZ_ASSERT(IsInnerWindow());
-
-  nsCOMPtr<nsPIDOMWindowOuter> opener = GetOpenerWindow(aError);
-  if (aError.Failed() || !opener) {
-    aRetval.setNull();
-    return;
-  }
-
-  aError = nsContentUtils::WrapNative(aCx, opener, aRetval);
-}
-
-already_AddRefed<nsPIDOMWindowOuter>
-nsGlobalWindow::GetOpener()
-{
-  FORWARD_TO_OUTER(GetOpener, (), nullptr);
-
-  nsCOMPtr<nsPIDOMWindowOuter> opener = GetOpenerWindowOuter();
-  return opener.forget();
-}
-
-void
-nsGlobalWindow::SetOpener(JSContext* aCx, JS::Handle<JS::Value> aOpener,
-                          ErrorResult& aError)
-{
-  // Check if we were called from a privileged chrome script.  If not, and if
-  // aOpener is not null, just define aOpener on our inner window's JS object,
-  // wrapped into the current compartment so that for Xrays we define on the
-  // Xray expando object, but don't set it on the outer window, so that it'll
-  // get reset on navigation.  This is just like replaceable properties, but
-  // we're not quite readonly.
-  if (!aOpener.isNull() && !nsContentUtils::IsCallerChrome()) {
-    RedefineProperty(aCx, "opener", aOpener, aError);
-    return;
-  }
-
-  if (!aOpener.isObjectOrNull()) {
-    // Chrome code trying to set some random value as opener
-    aError.Throw(NS_ERROR_INVALID_ARG);
-    return;
-  }
-
-  nsPIDOMWindowInner* win = nullptr;
-  if (aOpener.isObject()) {
-    JSObject* unwrapped = js::CheckedUnwrap(&aOpener.toObject(),
-                                            /* stopAtWindowProxy = */ false);
-    if (!unwrapped) {
-      aError.Throw(NS_ERROR_DOM_SECURITY_ERR);
-      return;
-    }
-
-    auto* globalWindow = xpc::WindowOrNull(unwrapped);
-    if (!globalWindow) {
-      // Wasn't a window
-      aError.Throw(NS_ERROR_INVALID_ARG);
-      return;
-    }
-
-    win = globalWindow->AsInner();
-  }
-
-  nsPIDOMWindowOuter* outer = nullptr;
-  if (win) {
-    if (!win->IsCurrentInnerWindow()) {
-      aError.Throw(NS_ERROR_FAILURE);
-      return;
-    }
-    outer = win->GetOuterWindow();
-  }
-
-  SetOpenerWindow(outer, false);
-}
-
-void
-nsGlobalWindow::GetStatusOuter(nsAString& aStatus)
-{
-  MOZ_RELEASE_ASSERT(IsOuterWindow());
-
-  aStatus = mStatus;
-}
-
-void
-nsGlobalWindow::GetStatus(nsAString& aStatus, ErrorResult& aError)
-{
-  FORWARD_TO_OUTER_OR_THROW(GetStatusOuter, (aStatus), aError, );
-}
-
-void
-nsGlobalWindow::SetStatusOuter(const nsAString& aStatus)
-{
-  MOZ_RELEASE_ASSERT(IsOuterWindow());
-
-  mStatus = aStatus;
-
-  /*
-   * If caller is not chrome and dom.disable_window_status_change is true,
-   * prevent propagating window.status to the UI by exiting early
-   */
-
-  if (!CanSetProperty("dom.disable_window_status_change")) {
-    return;
-  }
-
-  nsCOMPtr<nsIWebBrowserChrome> browserChrome = GetWebBrowserChrome();
-  if (browserChrome) {
-    browserChrome->SetStatus(nsIWebBrowserChrome::STATUS_SCRIPT,
-                             PromiseFlatString(aStatus).get());
-  }
-}
-
-void
-nsGlobalWindow::SetStatus(const nsAString& aStatus, ErrorResult& aError)
-{
-  FORWARD_TO_OUTER_OR_THROW(SetStatusOuter, (aStatus), aError, );
-}
-
-void
-nsGlobalWindow::GetNameOuter(nsAString& aName)
-{
-  MOZ_RELEASE_ASSERT(IsOuterWindow());
-
-  if (mDocShell) {
-    mDocShell->GetName(aName);
-  }
-}
-
-void
-nsGlobalWindow::GetName(nsAString& aName, ErrorResult& aError)
-{
-  FORWARD_TO_OUTER_OR_THROW(GetNameOuter, (aName), aError, );
-}
-
-void
-nsGlobalWindow::SetNameOuter(const nsAString& aName, mozilla::ErrorResult& aError)
-{
-  MOZ_RELEASE_ASSERT(IsOuterWindow());
-
-  if (mDocShell) {
-    aError = mDocShell->SetName(aName);
-  }
-}
-
-void
-nsGlobalWindow::SetName(const nsAString& aName, mozilla::ErrorResult& aError)
-{
-  FORWARD_TO_OUTER_OR_THROW(SetNameOuter, (aName, aError), aError, );
-}
-
-// Helper functions used by many methods below.
-int32_t
-nsGlobalWindow::DevToCSSIntPixels(int32_t px)
-{
-  if (!mDocShell)
-    return px; // assume 1:1
-
-  RefPtr<nsPresContext> presContext;
-  mDocShell->GetPresContext(getter_AddRefs(presContext));
-  if (!presContext)
-    return px;
-
-  return presContext->DevPixelsToIntCSSPixels(px);
-}
-
-int32_t
-nsGlobalWindow::CSSToDevIntPixels(int32_t px)
-{
-  if (!mDocShell)
-    return px; // assume 1:1
-
-  RefPtr<nsPresContext> presContext;
-  mDocShell->GetPresContext(getter_AddRefs(presContext));
-  if (!presContext)
-    return px;
-
-  return presContext->CSSPixelsToDevPixels(px);
-}
-
-nsIntSize
-nsGlobalWindow::DevToCSSIntPixels(nsIntSize px)
-{
-  if (!mDocShell)
-    return px; // assume 1:1
-
-  RefPtr<nsPresContext> presContext;
-  mDocShell->GetPresContext(getter_AddRefs(presContext));
-  if (!presContext)
-    return px;
-
-  return nsIntSize(
-      presContext->DevPixelsToIntCSSPixels(px.width),
-      presContext->DevPixelsToIntCSSPixels(px.height));
-}
-
-nsIntSize
-nsGlobalWindow::CSSToDevIntPixels(nsIntSize px)
-{
-  if (!mDocShell)
-    return px; // assume 1:1
-
-  RefPtr<nsPresContext> presContext;
-  mDocShell->GetPresContext(getter_AddRefs(presContext));
-  if (!presContext)
-    return px;
-
-  return nsIntSize(
-    presContext->CSSPixelsToDevPixels(px.width),
-    presContext->CSSPixelsToDevPixels(px.height));
-}
-
-nsresult
-nsGlobalWindow::GetInnerSize(CSSIntSize& aSize)
-{
-  MOZ_ASSERT(IsOuterWindow());
-
-  EnsureSizeAndPositionUpToDate();
-
-  NS_ENSURE_STATE(mDocShell);
-
-  RefPtr<nsPresContext> presContext;
-  mDocShell->GetPresContext(getter_AddRefs(presContext));
-  RefPtr<nsIPresShell> presShell = mDocShell->GetPresShell();
-
-  if (!presContext || !presShell) {
-    aSize = CSSIntSize(0, 0);
-    return NS_OK;
-  }
-
-  /*
-   * On platforms with resolution-based zooming, the CSS viewport
-   * and visual viewport may not be the same. The inner size should
-   * be the visual viewport, but we fall back to the CSS viewport
-   * if it is not set.
-   */
-  if (presShell->IsScrollPositionClampingScrollPortSizeSet()) {
-    aSize = CSSIntRect::FromAppUnitsRounded(
-      presShell->GetScrollPositionClampingScrollPortSize());
-  } else {
-    RefPtr<nsViewManager> viewManager = presShell->GetViewManager();
-    if (viewManager) {
-      viewManager->FlushDelayedResize(false);
-    }
-
-    aSize = CSSIntRect::FromAppUnitsRounded(
-      presContext->GetVisibleArea().Size());
-  }
-  return NS_OK;
-}
-
-int32_t
-nsGlobalWindow::GetInnerWidthOuter(ErrorResult& aError)
-{
-  MOZ_RELEASE_ASSERT(IsOuterWindow());
-
-  CSSIntSize size;
-  aError = GetInnerSize(size);
-  return size.width;
-}
-
-int32_t
-nsGlobalWindow::GetInnerWidth(CallerType aCallerType, ErrorResult& aError)
-{
-  // We ignore aCallerType; we only have that argument because some other things
-  // called by GetReplaceableWindowCoord need it.  If this ever changes, fix
-  //   nsresult nsGlobalWindow::GetInnerWidth(int32_t* aInnerWidth)
-  // to actually take a useful CallerType and pass it in here.
-  FORWARD_TO_OUTER_OR_THROW(GetInnerWidthOuter, (aError), aError, 0);
-}
-
-void
-nsGlobalWindow::GetInnerWidth(JSContext* aCx,
-                              JS::MutableHandle<JS::Value> aValue,
-                              CallerType aCallerType,
-                              ErrorResult& aError)
-{
-  GetReplaceableWindowCoord(aCx, &nsGlobalWindow::GetInnerWidth, aValue,
-                            aCallerType, aError);
-}
-
-nsresult
-nsGlobalWindow::GetInnerWidth(int32_t* aInnerWidth)
-{
-  FORWARD_TO_INNER(GetInnerWidth, (aInnerWidth), NS_ERROR_UNEXPECTED);
-
-  ErrorResult rv;
-  // Callee doesn't care about the caller type, but play it safe.
-  *aInnerWidth = GetInnerWidth(CallerType::NonSystem, rv);
-
-  return rv.StealNSResult();
-}
-
-void
-nsGlobalWindow::SetInnerWidthOuter(int32_t aInnerWidth,
-                                   CallerType aCallerType,
-                                   ErrorResult& aError)
-{
-  MOZ_RELEASE_ASSERT(IsOuterWindow());
-
-  if (!mDocShell) {
-    aError.Throw(NS_ERROR_UNEXPECTED);
-    return;
-  }
-
-  CheckSecurityWidthAndHeight(&aInnerWidth, nullptr, aCallerType);
-
-  RefPtr<nsIPresShell> presShell = mDocShell->GetPresShell();
-
-  if (presShell && presShell->GetIsViewportOverridden())
-  {
-    nscoord height = 0;
-
-    RefPtr<nsPresContext> presContext;
-    presContext = presShell->GetPresContext();
-
-    nsRect shellArea = presContext->GetVisibleArea();
-    height = shellArea.Height();
-    SetCSSViewportWidthAndHeight(nsPresContext::CSSPixelsToAppUnits(aInnerWidth),
-                                 height);
-    return;
-  }
-
-  int32_t height = 0;
-  int32_t unused  = 0;
-
-  nsCOMPtr<nsIBaseWindow> docShellAsWin(do_QueryInterface(mDocShell));
-  docShellAsWin->GetSize(&unused, &height);
-  aError = SetDocShellWidthAndHeight(CSSToDevIntPixels(aInnerWidth), height);
-}
-
-void
-nsGlobalWindow::SetInnerWidth(int32_t aInnerWidth, CallerType aCallerType,
-                              ErrorResult& aError)
-{
-  FORWARD_TO_OUTER_OR_THROW(SetInnerWidthOuter,
-                            (aInnerWidth, aCallerType, aError), aError, );
-}
-
-void
-nsGlobalWindow::SetInnerWidth(JSContext* aCx, JS::Handle<JS::Value> aValue,
-                              CallerType aCallerType,
-                              ErrorResult& aError)
-{
-  SetReplaceableWindowCoord(aCx, &nsGlobalWindow::SetInnerWidth,
-                            aValue, "innerWidth", aCallerType, aError);
-}
-
-int32_t
-nsGlobalWindow::GetInnerHeightOuter(ErrorResult& aError)
-{
-  MOZ_RELEASE_ASSERT(IsOuterWindow());
-
-  CSSIntSize size;
-  aError = GetInnerSize(size);
-  return size.height;
-}
-
-int32_t
-nsGlobalWindow::GetInnerHeight(CallerType aCallerType, ErrorResult& aError)
-{
-  // We ignore aCallerType; we only have that argument because some other things
-  // called by GetReplaceableWindowCoord need it.  If this ever changes, fix
-  //   nsresult nsGlobalWindow::GetInnerHeight(int32_t* aInnerWidth)
-  // to actually take a useful CallerType and pass it in here.
-  FORWARD_TO_OUTER_OR_THROW(GetInnerHeightOuter, (aError), aError, 0);
-}
-
-void
-nsGlobalWindow::GetInnerHeight(JSContext* aCx,
-                              JS::MutableHandle<JS::Value> aValue,
-                              CallerType aCallerType,
-                              ErrorResult& aError)
-{
-  GetReplaceableWindowCoord(aCx, &nsGlobalWindow::GetInnerHeight, aValue,
-                            aCallerType, aError);
-}
-
-nsresult
-nsGlobalWindow::GetInnerHeight(int32_t* aInnerHeight)
-{
-  FORWARD_TO_INNER(GetInnerHeight, (aInnerHeight), NS_ERROR_UNEXPECTED);
-
-  ErrorResult rv;
-  // Callee doesn't care about the caller type, but play it safe.
-  *aInnerHeight = GetInnerHeight(CallerType::NonSystem, rv);
-
-  return rv.StealNSResult();
-}
-
-void
-nsGlobalWindow::SetInnerHeightOuter(int32_t aInnerHeight,
-                                    CallerType aCallerType,
-                                    ErrorResult& aError)
-{
-  MOZ_RELEASE_ASSERT(IsOuterWindow());
-
-  if (!mDocShell) {
-    aError.Throw(NS_ERROR_UNEXPECTED);
-    return;
-  }
-
-  RefPtr<nsIPresShell> presShell = mDocShell->GetPresShell();
-
-  if (presShell && presShell->GetIsViewportOverridden())
-  {
-    RefPtr<nsPresContext> presContext;
-    presContext = presShell->GetPresContext();
-
-    nsRect shellArea = presContext->GetVisibleArea();
-    nscoord height = aInnerHeight;
-    nscoord width = shellArea.Width();
-    CheckSecurityWidthAndHeight(nullptr, &height, aCallerType);
-    SetCSSViewportWidthAndHeight(width,
-                                 nsPresContext::CSSPixelsToAppUnits(height));
-    return;
-  }
-
-  int32_t height = 0;
-  int32_t width  = 0;
-
-  nsCOMPtr<nsIBaseWindow> docShellAsWin(do_QueryInterface(mDocShell));
-  docShellAsWin->GetSize(&width, &height);
-  CheckSecurityWidthAndHeight(nullptr, &aInnerHeight, aCallerType);
-  aError = SetDocShellWidthAndHeight(width, CSSToDevIntPixels(aInnerHeight));
-}
-
-void
-nsGlobalWindow::SetInnerHeight(int32_t aInnerHeight,
-                               CallerType aCallerType,
-                               ErrorResult& aError)
-{
-  FORWARD_TO_OUTER_OR_THROW(SetInnerHeightOuter,
-                            (aInnerHeight, aCallerType, aError), aError, );
-}
-
-void
-nsGlobalWindow::SetInnerHeight(JSContext* aCx, JS::Handle<JS::Value> aValue,
-                               CallerType aCallerType, ErrorResult& aError)
-{
-  SetReplaceableWindowCoord(aCx, &nsGlobalWindow::SetInnerHeight,
-                            aValue, "innerHeight", aCallerType, aError);
-}
-
-nsIntSize
-nsGlobalWindow::GetOuterSize(CallerType aCallerType, ErrorResult& aError)
-{
-  MOZ_ASSERT(IsOuterWindow());
-
-  if (nsContentUtils::ResistFingerprinting(aCallerType)) {
-    CSSIntSize size;
-    aError = GetInnerSize(size);
-    return nsIntSize(size.width, size.height);
-  }
-
-  nsCOMPtr<nsIBaseWindow> treeOwnerAsWin = GetTreeOwnerWindow();
-  if (!treeOwnerAsWin) {
-    aError.Throw(NS_ERROR_FAILURE);
-    return nsIntSize(0, 0);
-  }
-
-  nsIntSize sizeDevPixels;
-  aError = treeOwnerAsWin->GetSize(&sizeDevPixels.width, &sizeDevPixels.height);
-  if (aError.Failed()) {
-    return nsIntSize();
-  }
-
-  return DevToCSSIntPixels(sizeDevPixels);
-}
-
-int32_t
-nsGlobalWindow::GetOuterWidthOuter(CallerType aCallerType, ErrorResult& aError)
-{
-  MOZ_RELEASE_ASSERT(IsOuterWindow());
-  return GetOuterSize(aCallerType, aError).width;
-}
-
-int32_t
-nsGlobalWindow::GetOuterWidth(CallerType aCallerType, ErrorResult& aError)
-{
-  FORWARD_TO_OUTER_OR_THROW(GetOuterWidthOuter, (aCallerType, aError),
-                            aError, 0);
-}
-
-void
-nsGlobalWindow::GetOuterWidth(JSContext* aCx,
-                              JS::MutableHandle<JS::Value> aValue,
-                              CallerType aCallerType,
-                              ErrorResult& aError)
-{
-  GetReplaceableWindowCoord(aCx, &nsGlobalWindow::GetOuterWidth, aValue,
-                            aCallerType, aError);
-}
-
-int32_t
-nsGlobalWindow::GetOuterHeightOuter(CallerType aCallerType, ErrorResult& aError)
-{
-  MOZ_RELEASE_ASSERT(IsOuterWindow());
-  return GetOuterSize(aCallerType, aError).height;
-}
-
-int32_t
-nsGlobalWindow::GetOuterHeight(CallerType aCallerType, ErrorResult& aError)
-{
-  FORWARD_TO_OUTER_OR_THROW(GetOuterHeightOuter, (aCallerType, aError),
-                            aError, 0);
-}
-
-void
-nsGlobalWindow::GetOuterHeight(JSContext* aCx,
-                               JS::MutableHandle<JS::Value> aValue,
-                               CallerType aCallerType,
-                               ErrorResult& aError)
-{
-  GetReplaceableWindowCoord(aCx, &nsGlobalWindow::GetOuterHeight, aValue,
-                            aCallerType, aError);
-}
-
-void
-nsGlobalWindow::SetOuterSize(int32_t aLengthCSSPixels, bool aIsWidth,
-                             CallerType aCallerType, ErrorResult& aError)
-{
-  MOZ_ASSERT(IsOuterWindow());
-
-  nsCOMPtr<nsIBaseWindow> treeOwnerAsWin = GetTreeOwnerWindow();
-  if (!treeOwnerAsWin) {
-    aError.Throw(NS_ERROR_FAILURE);
-    return;
-  }
-
-  CheckSecurityWidthAndHeight(aIsWidth ? &aLengthCSSPixels : nullptr,
-                              aIsWidth ? nullptr : &aLengthCSSPixels,
-                              aCallerType);
-
-  int32_t width, height;
-  aError = treeOwnerAsWin->GetSize(&width, &height);
-  if (aError.Failed()) {
-    return;
-  }
-
-  int32_t lengthDevPixels = CSSToDevIntPixels(aLengthCSSPixels);
-  if (aIsWidth) {
-    width = lengthDevPixels;
-  } else {
-    height = lengthDevPixels;
-  }
-  aError = treeOwnerAsWin->SetSize(width, height, true);
-
-  CheckForDPIChange();
-}
-
-void
-nsGlobalWindow::SetOuterWidthOuter(int32_t aOuterWidth,
-                                   CallerType aCallerType,
-                                   ErrorResult& aError)
-{
-  MOZ_RELEASE_ASSERT(IsOuterWindow());
-
-  SetOuterSize(aOuterWidth, true, aCallerType, aError);
-}
-
-void
-nsGlobalWindow::SetOuterWidth(int32_t aOuterWidth,
-                              CallerType aCallerType,
-                              ErrorResult& aError)
-{
-  FORWARD_TO_OUTER_OR_THROW(SetOuterWidthOuter,
-                            (aOuterWidth, aCallerType, aError), aError, );
-}
-
-void
-nsGlobalWindow::SetOuterWidth(JSContext* aCx, JS::Handle<JS::Value> aValue,
-                              CallerType aCallerType,
-                              ErrorResult& aError)
-{
-  SetReplaceableWindowCoord(aCx, &nsGlobalWindow::SetOuterWidth,
-                            aValue, "outerWidth", aCallerType, aError);
-}
-
-void
-nsGlobalWindow::SetOuterHeightOuter(int32_t aOuterHeight,
-                                    CallerType aCallerType,
-                                    ErrorResult& aError)
-{
-  MOZ_RELEASE_ASSERT(IsOuterWindow());
-
-  SetOuterSize(aOuterHeight, false, aCallerType, aError);
-}
-
-void
-nsGlobalWindow::SetOuterHeight(int32_t aOuterHeight,
-                               CallerType aCallerType,
-                               ErrorResult& aError)
-{
-  FORWARD_TO_OUTER_OR_THROW(SetOuterHeightOuter,
-                            (aOuterHeight, aCallerType, aError), aError, );
-}
-
-void
-nsGlobalWindow::SetOuterHeight(JSContext* aCx, JS::Handle<JS::Value> aValue,
-                               CallerType aCallerType,
-                               ErrorResult& aError)
-{
-  SetReplaceableWindowCoord(aCx, &nsGlobalWindow::SetOuterHeight,
-                            aValue, "outerHeight", aCallerType, aError);
-}
-
-CSSIntPoint
-nsGlobalWindow::GetScreenXY(CallerType aCallerType, ErrorResult& aError)
-{
-  MOZ_ASSERT(IsOuterWindow());
-
-  // When resisting fingerprinting, always return (0,0)
-  if (nsContentUtils::ResistFingerprinting(aCallerType)) {
-    return CSSIntPoint(0, 0);
-  }
-
-  nsCOMPtr<nsIBaseWindow> treeOwnerAsWin = GetTreeOwnerWindow();
-  if (!treeOwnerAsWin) {
-    aError.Throw(NS_ERROR_FAILURE);
-    return CSSIntPoint(0, 0);
-  }
-
-  int32_t x = 0, y = 0;
-  aError = treeOwnerAsWin->GetPosition(&x, &y); // LayoutDevice px values
-
-  RefPtr<nsPresContext> presContext;
-  mDocShell->GetPresContext(getter_AddRefs(presContext));
-  if (!presContext) {
-    return CSSIntPoint(x, y);
-  }
-
-  // Find the global desktop coordinate of the top-left of the screen.
-  // We'll use this as a "fake origin" when converting to CSS px units,
-  // to avoid overlapping coordinates in cases such as a hi-dpi screen
-  // placed to the right of a lo-dpi screen on Windows. (Instead, there
-  // may be "gaps" in the resulting CSS px coordinates in some cases.)
-  nsDeviceContext *dc = presContext->DeviceContext();
-  nsRect screenRect;
-  dc->GetRect(screenRect);
-  LayoutDeviceRect screenRectDev =
-    LayoutDevicePixel::FromAppUnits(screenRect, dc->AppUnitsPerDevPixel());
-
-  DesktopToLayoutDeviceScale scale = dc->GetDesktopToDeviceScale();
-  DesktopRect screenRectDesk = screenRectDev / scale;
-
-  CSSPoint cssPt =
-    LayoutDevicePoint(x - screenRectDev.x, y - screenRectDev.y) /
-    presContext->CSSToDevPixelScale();
-  cssPt.x += screenRectDesk.x;
-  cssPt.y += screenRectDesk.y;
-
-  return CSSIntPoint(NSToIntRound(cssPt.x), NSToIntRound(cssPt.y));
-}
-
-int32_t
-nsGlobalWindow::GetScreenXOuter(CallerType aCallerType, ErrorResult& aError)
-{
-  MOZ_RELEASE_ASSERT(IsOuterWindow());
-
-  return GetScreenXY(aCallerType, aError).x;
-}
-
-int32_t
-nsGlobalWindow::GetScreenX(CallerType aCallerType, ErrorResult& aError)
-{
-  FORWARD_TO_OUTER_OR_THROW(GetScreenXOuter, (aCallerType, aError), aError, 0);
-}
-
-void
-nsGlobalWindow::GetScreenX(JSContext* aCx,
-                           JS::MutableHandle<JS::Value> aValue,
-                           CallerType aCallerType,
-                           ErrorResult& aError)
-{
-  GetReplaceableWindowCoord(aCx, &nsGlobalWindow::GetScreenX, aValue,
-                            aCallerType, aError);
-}
-
-nsRect
-nsGlobalWindow::GetInnerScreenRect()
-{
-  MOZ_ASSERT(IsOuterWindow());
-
-  if (!mDocShell) {
-    return nsRect();
-  }
-
-  EnsureSizeAndPositionUpToDate();
-
-  if (!mDocShell) {
-    return nsRect();
-  }
-
-  nsCOMPtr<nsIPresShell> presShell = mDocShell->GetPresShell();
-  if (!presShell) {
-    return nsRect();
-  }
-  nsIFrame* rootFrame = presShell->GetRootFrame();
-  if (!rootFrame) {
-    return nsRect();
-  }
-
-  return rootFrame->GetScreenRectInAppUnits();
-}
-
-float
-nsGlobalWindow::GetMozInnerScreenXOuter(CallerType aCallerType)
-{
-  MOZ_RELEASE_ASSERT(IsOuterWindow());
-
-  // When resisting fingerprinting, always return 0.
-  if (nsContentUtils::ResistFingerprinting(aCallerType)) {
-    return 0.0;
-  }
-
-  nsRect r = GetInnerScreenRect();
-  return nsPresContext::AppUnitsToFloatCSSPixels(r.x);
-}
-
-float
-nsGlobalWindow::GetMozInnerScreenX(CallerType aCallerType, ErrorResult& aError)
-{
-  FORWARD_TO_OUTER_OR_THROW(GetMozInnerScreenXOuter, (aCallerType), aError, 0);
-}
-
-float
-nsGlobalWindow::GetMozInnerScreenYOuter(CallerType aCallerType)
-{
-  MOZ_RELEASE_ASSERT(IsOuterWindow());
-
-  // Return 0 to prevent fingerprinting.
-  if (nsContentUtils::ResistFingerprinting(aCallerType)) {
-    return 0.0;
-  }
-
-  nsRect r = GetInnerScreenRect();
-  return nsPresContext::AppUnitsToFloatCSSPixels(r.y);
-}
-
-float
-nsGlobalWindow::GetMozInnerScreenY(CallerType aCallerType, ErrorResult& aError)
-{
-  FORWARD_TO_OUTER_OR_THROW(GetMozInnerScreenYOuter, (aCallerType), aError, 0);
-}
-
-double
-nsGlobalWindow::GetDevicePixelRatioOuter(CallerType aCallerType)
-{
-  MOZ_RELEASE_ASSERT(IsOuterWindow());
-
-  if (!mDocShell) {
-    return 1.0;
-  }
-
-  RefPtr<nsPresContext> presContext;
-  mDocShell->GetPresContext(getter_AddRefs(presContext));
-  if (!presContext) {
-    return 1.0;
-  }
-
-  if (nsContentUtils::ResistFingerprinting(aCallerType)) {
-    return 1.0;
-  }
-
-  float overrideDPPX = presContext->GetOverrideDPPX();
-
-  if (overrideDPPX > 0) {
-    return overrideDPPX;
-  }
-
-  return double(nsPresContext::AppUnitsPerCSSPixel()) /
-         double(presContext->AppUnitsPerDevPixel());
-}
-
-double
-nsGlobalWindow::GetDevicePixelRatio(CallerType aCallerType, ErrorResult& aError)
-{
-  FORWARD_TO_OUTER_OR_THROW(GetDevicePixelRatioOuter, (aCallerType), aError, 0.0);
-}
-
-float
-nsPIDOMWindowOuter::GetDevicePixelRatio(CallerType aCallerType)
-{
-  return nsGlobalWindowOuter::Cast(this)->GetDevicePixelRatioOuter(aCallerType);
-}
-
-uint64_t
-nsGlobalWindow::GetMozPaintCountOuter()
-{
-  MOZ_RELEASE_ASSERT(IsOuterWindow());
-
-  if (!mDocShell) {
-    return 0;
-  }
-
-  nsCOMPtr<nsIPresShell> presShell = mDocShell->GetPresShell();
-  return presShell ? presShell->GetPaintCount() : 0;
-}
-
-uint64_t
-nsGlobalWindow::GetMozPaintCount(ErrorResult& aError)
-{
-  FORWARD_TO_OUTER_OR_THROW(GetMozPaintCountOuter, (), aError, 0);
-}
-
-int32_t
-nsGlobalWindow::RequestAnimationFrame(FrameRequestCallback& aCallback,
-                                      ErrorResult& aError)
-{
-  MOZ_RELEASE_ASSERT(IsInnerWindow());
-
-  if (!mDoc) {
-    return 0;
-  }
-
-  if (GetWrapperPreserveColor()) {
-    js::NotifyAnimationActivity(GetWrapperPreserveColor());
-  }
-
-  int32_t handle;
-  aError = mDoc->ScheduleFrameRequestCallback(aCallback, &handle);
-  return handle;
-}
-
-void
-nsGlobalWindow::CancelAnimationFrame(int32_t aHandle, ErrorResult& aError)
-{
-  MOZ_RELEASE_ASSERT(IsInnerWindow());
-
-  if (!mDoc) {
-    return;
-  }
-
-  mDoc->CancelFrameRequestCallback(aHandle);
-}
-
-already_AddRefed<MediaQueryList>
-nsGlobalWindow::MatchMediaOuter(const nsAString& aMediaQueryList,
-                                CallerType aCallerType)
-{
-  MOZ_RELEASE_ASSERT(IsOuterWindow());
-
-  if (!mDoc) {
-    return nullptr;
-  }
-
-  return mDoc->MatchMedia(aMediaQueryList, aCallerType);
-}
-
-already_AddRefed<MediaQueryList>
-nsGlobalWindow::MatchMedia(const nsAString& aMediaQueryList,
-                           CallerType aCallerType,
-                           ErrorResult& aError)
-{
-  // FIXME: This whole forward-to-outer and then get a pres
-  // shell/context off the docshell dance is sort of silly; it'd make
-  // more sense to forward to the inner, but it's what everyone else
-  // (GetSelection, GetScrollXY, etc.) does around here.
-  FORWARD_TO_OUTER_OR_THROW(MatchMediaOuter, (aMediaQueryList, aCallerType), aError, nullptr);
-}
-
-void
-nsGlobalWindow::SetScreenXOuter(int32_t aScreenX,
-                                CallerType aCallerType,
-                                ErrorResult& aError)
-{
-  MOZ_RELEASE_ASSERT(IsOuterWindow());
-
-  nsCOMPtr<nsIBaseWindow> treeOwnerAsWin = GetTreeOwnerWindow();
-  if (!treeOwnerAsWin) {
-    aError.Throw(NS_ERROR_FAILURE);
-    return;
-  }
-
-  int32_t x, y;
-  aError = treeOwnerAsWin->GetPosition(&x, &y);
-  if (aError.Failed()) {
-    return;
-  }
-
-  CheckSecurityLeftAndTop(&aScreenX, nullptr, aCallerType);
-  x = CSSToDevIntPixels(aScreenX);
-
-  aError = treeOwnerAsWin->SetPosition(x, y);
-
-  CheckForDPIChange();
-}
-
-void
-nsGlobalWindow::SetScreenX(int32_t aScreenX,
-                           CallerType aCallerType,
-                           ErrorResult& aError)
-{
-  FORWARD_TO_OUTER_OR_THROW(SetScreenXOuter,
-                            (aScreenX, aCallerType, aError), aError, );
-}
-
-void
-nsGlobalWindow::SetScreenX(JSContext* aCx, JS::Handle<JS::Value> aValue,
-                           CallerType aCallerType, ErrorResult& aError)
-{
-  SetReplaceableWindowCoord(aCx, &nsGlobalWindow::SetScreenX,
-                            aValue, "screenX", aCallerType, aError);
-}
-
-int32_t
-nsGlobalWindow::GetScreenYOuter(CallerType aCallerType, ErrorResult& aError)
-{
-  MOZ_RELEASE_ASSERT(IsOuterWindow());
-
-  return GetScreenXY(aCallerType, aError).y;
-}
-
-int32_t
-nsGlobalWindow::GetScreenY(CallerType aCallerType, ErrorResult& aError)
-{
-  FORWARD_TO_OUTER_OR_THROW(GetScreenYOuter, (aCallerType, aError), aError, 0);
-}
-
-void
-nsGlobalWindow::GetScreenY(JSContext* aCx,
-                           JS::MutableHandle<JS::Value> aValue,
-                           CallerType aCallerType, ErrorResult& aError)
-{
-  GetReplaceableWindowCoord(aCx, &nsGlobalWindow::GetScreenY, aValue,
-                            aCallerType, aError);
-}
-
-void
-nsGlobalWindow::SetScreenYOuter(int32_t aScreenY,
-                                CallerType aCallerType,
-                                ErrorResult& aError)
-{
-  MOZ_RELEASE_ASSERT(IsOuterWindow());
-
-  nsCOMPtr<nsIBaseWindow> treeOwnerAsWin = GetTreeOwnerWindow();
-  if (!treeOwnerAsWin) {
-    aError.Throw(NS_ERROR_FAILURE);
-    return;
-  }
-
-  int32_t x, y;
-  aError = treeOwnerAsWin->GetPosition(&x, &y);
-  if (aError.Failed()) {
-    return;
-  }
-
-  CheckSecurityLeftAndTop(nullptr, &aScreenY, aCallerType);
-  y = CSSToDevIntPixels(aScreenY);
-
-  aError = treeOwnerAsWin->SetPosition(x, y);
-
-  CheckForDPIChange();
-}
-
-void
-nsGlobalWindow::SetScreenY(int32_t aScreenY,
-                           CallerType aCallerType,
-                           ErrorResult& aError)
-{
-  FORWARD_TO_OUTER_OR_THROW(SetScreenYOuter,
-                            (aScreenY, aCallerType, aError), aError, );
-}
-
-void
-nsGlobalWindow::SetScreenY(JSContext* aCx, JS::Handle<JS::Value> aValue,
-                           CallerType aCallerType,
-                           ErrorResult& aError)
-{
-  SetReplaceableWindowCoord(aCx, &nsGlobalWindow::SetScreenY,
-                            aValue, "screenY", aCallerType, aError);
-}
-
-// NOTE: Arguments to this function should have values scaled to
-// CSS pixels, not device pixels.
-void
-nsGlobalWindow::CheckSecurityWidthAndHeight(int32_t* aWidth, int32_t* aHeight,
-                                            CallerType aCallerType)
-{
-  MOZ_ASSERT(IsOuterWindow());
-
-#ifdef MOZ_XUL
-  if (aCallerType != CallerType::System) {
-    // if attempting to resize the window, hide any open popups
-    nsContentUtils::HidePopupsInDocument(mDoc);
-  }
-#endif
-
-  // This one is easy. Just ensure the variable is greater than 100;
-  if ((aWidth && *aWidth < 100) || (aHeight && *aHeight < 100)) {
-    // Check security state for use in determing window dimensions
-
-    if (aCallerType != CallerType::System) {
-      //sec check failed
-      if (aWidth && *aWidth < 100) {
-        *aWidth = 100;
-      }
-      if (aHeight && *aHeight < 100) {
-        *aHeight = 100;
-      }
-    }
-  }
-}
-
-// NOTE: Arguments to this function should have values in device pixels
-nsresult
-nsGlobalWindow::SetDocShellWidthAndHeight(int32_t aInnerWidth, int32_t aInnerHeight)
-{
-  MOZ_ASSERT(IsOuterWindow());
-
-  NS_ENSURE_TRUE(mDocShell, NS_ERROR_FAILURE);
-
-  nsCOMPtr<nsIDocShellTreeOwner> treeOwner;
-  mDocShell->GetTreeOwner(getter_AddRefs(treeOwner));
-  NS_ENSURE_TRUE(treeOwner, NS_ERROR_FAILURE);
-
-  NS_ENSURE_SUCCESS(treeOwner->SizeShellTo(mDocShell, aInnerWidth, aInnerHeight),
-                    NS_ERROR_FAILURE);
-
-  return NS_OK;
-}
-
-// NOTE: Arguments to this function should have values in app units
-void
-nsGlobalWindow::SetCSSViewportWidthAndHeight(nscoord aInnerWidth, nscoord aInnerHeight)
-{
-  MOZ_ASSERT(IsOuterWindow());
-
-  RefPtr<nsPresContext> presContext;
-  mDocShell->GetPresContext(getter_AddRefs(presContext));
-
-  nsRect shellArea = presContext->GetVisibleArea();
-  shellArea.SetHeight(aInnerHeight);
-  shellArea.SetWidth(aInnerWidth);
-
-  presContext->SetVisibleArea(shellArea);
-}
-
-// NOTE: Arguments to this function should have values scaled to
-// CSS pixels, not device pixels.
-void
-nsGlobalWindow::CheckSecurityLeftAndTop(int32_t* aLeft, int32_t* aTop,
-                                        CallerType aCallerType)
-{
-  MOZ_ASSERT(IsOuterWindow());
-
-  // This one is harder. We have to get the screen size and window dimensions.
-
-  // Check security state for use in determing window dimensions
-
-  if (aCallerType != CallerType::System) {
-#ifdef MOZ_XUL
-    // if attempting to move the window, hide any open popups
-    nsContentUtils::HidePopupsInDocument(mDoc);
-#endif
-
-    if (nsGlobalWindowOuter* rootWindow = nsGlobalWindowOuter::Cast(GetPrivateRoot())) {
-      rootWindow->FlushPendingNotifications(FlushType::Layout);
-    }
-
-    nsCOMPtr<nsIBaseWindow> treeOwner = GetTreeOwnerWindow();
-
-    nsCOMPtr<nsIDOMScreen> screen = GetScreen();
-
-    if (treeOwner && screen) {
-      int32_t screenLeft, screenTop, screenWidth, screenHeight;
-      int32_t winLeft, winTop, winWidth, winHeight;
-
-      // Get the window size
-      treeOwner->GetPositionAndSize(&winLeft, &winTop, &winWidth, &winHeight);
-
-      // convert those values to CSS pixels
-      // XXX four separate retrievals of the prescontext
-      winLeft   = DevToCSSIntPixels(winLeft);
-      winTop    = DevToCSSIntPixels(winTop);
-      winWidth  = DevToCSSIntPixels(winWidth);
-      winHeight = DevToCSSIntPixels(winHeight);
-
-      // Get the screen dimensions
-      // XXX This should use nsIScreenManager once it's fully fleshed out.
-      screen->GetAvailLeft(&screenLeft);
-      screen->GetAvailWidth(&screenWidth);
-      screen->GetAvailHeight(&screenHeight);
-#if defined(XP_MACOSX)
-      /* The mac's coordinate system is different from the assumed Windows'
-         system. It offsets by the height of the menubar so that a window
-         placed at (0,0) will be entirely visible. Unfortunately that
-         correction is made elsewhere (in Widget) and the meaning of
-         the Avail... coordinates is overloaded. Here we allow a window
-         to be placed at (0,0) because it does make sense to do so.
-      */
-      screen->GetTop(&screenTop);
-#else
-      screen->GetAvailTop(&screenTop);
-#endif
-
-      if (aLeft) {
-        if (screenLeft+screenWidth < *aLeft+winWidth)
-          *aLeft = screenLeft+screenWidth - winWidth;
-        if (screenLeft > *aLeft)
-          *aLeft = screenLeft;
-      }
-      if (aTop) {
-        if (screenTop+screenHeight < *aTop+winHeight)
-          *aTop = screenTop+screenHeight - winHeight;
-        if (screenTop > *aTop)
-          *aTop = screenTop;
-      }
-    } else {
-      if (aLeft)
-        *aLeft = 0;
-      if (aTop)
-        *aTop = 0;
-    }
-  }
-}
-
-int32_t
-nsGlobalWindow::GetScrollBoundaryOuter(Side aSide)
-{
-  MOZ_RELEASE_ASSERT(IsOuterWindow());
-
-  FlushPendingNotifications(FlushType::Layout);
-  if (nsIScrollableFrame *sf = GetScrollFrame()) {
-    return nsPresContext::
-      AppUnitsToIntCSSPixels(sf->GetScrollRange().Edge(aSide));
-  }
-  return 0;
-}
-
-int32_t
-nsGlobalWindow::GetScrollMinX(ErrorResult& aError)
-{
-  MOZ_ASSERT(IsInnerWindow());
-  FORWARD_TO_OUTER_OR_THROW(GetScrollBoundaryOuter, (eSideLeft), aError, 0);
-}
-
-int32_t
-nsGlobalWindow::GetScrollMinY(ErrorResult& aError)
-{
-  MOZ_ASSERT(IsInnerWindow());
-  FORWARD_TO_OUTER_OR_THROW(GetScrollBoundaryOuter, (eSideTop), aError, 0);
-}
-
-int32_t
-nsGlobalWindow::GetScrollMaxX(ErrorResult& aError)
-{
-  MOZ_ASSERT(IsInnerWindow());
-  FORWARD_TO_OUTER_OR_THROW(GetScrollBoundaryOuter, (eSideRight), aError, 0);
-}
-
-int32_t
-nsGlobalWindow::GetScrollMaxY(ErrorResult& aError)
-{
-  MOZ_ASSERT(IsInnerWindow());
-  FORWARD_TO_OUTER_OR_THROW(GetScrollBoundaryOuter, (eSideBottom), aError, 0);
-}
-
-CSSPoint
-nsGlobalWindow::GetScrollXY(bool aDoFlush)
-{
-  MOZ_ASSERT(IsOuterWindow());
-
-  if (aDoFlush) {
-    FlushPendingNotifications(FlushType::Layout);
-  } else {
-    EnsureSizeAndPositionUpToDate();
-  }
-
-  nsIScrollableFrame *sf = GetScrollFrame();
-  if (!sf) {
-    return CSSIntPoint(0, 0);
-  }
-
-  nsPoint scrollPos = sf->GetScrollPosition();
-  if (scrollPos != nsPoint(0,0) && !aDoFlush) {
-    // Oh, well.  This is the expensive case -- the window is scrolled and we
-    // didn't actually flush yet.  Repeat, but with a flush, since the content
-    // may get shorter and hence our scroll position may decrease.
-    return GetScrollXY(true);
-  }
-
-  return CSSPoint::FromAppUnits(scrollPos);
-}
-
-double
-nsGlobalWindow::GetScrollXOuter()
-{
-  MOZ_RELEASE_ASSERT(IsOuterWindow());
-  return GetScrollXY(false).x;
-}
-
-double
-nsGlobalWindow::GetScrollX(ErrorResult& aError)
-{
-  FORWARD_TO_OUTER_OR_THROW(GetScrollXOuter, (), aError, 0);
-}
-
-double
-nsGlobalWindow::GetScrollYOuter()
-{
-  MOZ_RELEASE_ASSERT(IsOuterWindow());
-  return GetScrollXY(false).y;
-}
-
-double
-nsGlobalWindow::GetScrollY(ErrorResult& aError)
-{
-  FORWARD_TO_OUTER_OR_THROW(GetScrollYOuter, (), aError, 0);
-}
-
-uint32_t
-nsGlobalWindow::Length()
-{
-  FORWARD_TO_OUTER(Length, (), 0);
-
-  nsDOMWindowList* windows = GetWindowList();
-
-  return windows ? windows->GetLength() : 0;
-}
-
-already_AddRefed<nsPIDOMWindowOuter>
-nsGlobalWindow::GetTopOuter()
-{
-  MOZ_ASSERT(IsOuterWindow());
-
-  nsCOMPtr<nsPIDOMWindowOuter> top = GetScriptableTop();
-  return top.forget();
-}
-
-already_AddRefed<nsPIDOMWindowOuter>
-nsGlobalWindow::GetTop(mozilla::ErrorResult& aError)
-{
-  FORWARD_TO_OUTER_OR_THROW(GetTopOuter, (), aError, nullptr);
-}
-
-nsPIDOMWindowOuter*
-nsGlobalWindow::GetChildWindow(const nsAString& aName)
-{
-  nsCOMPtr<nsIDocShell> docShell(GetDocShell());
-  NS_ENSURE_TRUE(docShell, nullptr);
-
-  nsCOMPtr<nsIDocShellTreeItem> child;
-  docShell->FindChildWithName(aName, false, true, nullptr, nullptr,
-                              getter_AddRefs(child));
-
-  return child ? child->GetWindow() : nullptr;
-}
-
-bool
-nsGlobalWindow::DispatchCustomEvent(const nsAString& aEventName)
-{
-  MOZ_ASSERT(IsOuterWindow());
-
-  bool defaultActionEnabled = true;
-  nsContentUtils::DispatchTrustedEvent(mDoc, ToSupports(this), aEventName,
-                                       true, true, &defaultActionEnabled);
-
-  return defaultActionEnabled;
-}
-
-bool
-nsGlobalWindow::DispatchResizeEvent(const CSSIntSize& aSize)
-{
-  MOZ_ASSERT(IsOuterWindow());
-
-  ErrorResult res;
-  RefPtr<Event> domEvent =
-    mDoc->CreateEvent(NS_LITERAL_STRING("CustomEvent"), CallerType::System,
-                      res);
-  if (res.Failed()) {
-    return false;
-  }
-
-  // We don't init the AutoJSAPI with ourselves because we don't want it
-  // reporting errors to our onerror handlers.
-  AutoJSAPI jsapi;
-  jsapi.Init();
-  JSContext* cx = jsapi.cx();
-  JSAutoCompartment ac(cx, GetWrapperPreserveColor());
-
-  DOMWindowResizeEventDetail detail;
-  detail.mWidth = aSize.width;
-  detail.mHeight = aSize.height;
-  JS::Rooted<JS::Value> detailValue(cx);
-  if (!ToJSValue(cx, detail, &detailValue)) {
-    return false;
-  }
-
-  CustomEvent* customEvent = static_cast<CustomEvent*>(domEvent.get());
-  customEvent->InitCustomEvent(cx,
-                               NS_LITERAL_STRING("DOMWindowResize"),
-                               /* aCanBubble = */ true,
-                               /* aCancelable = */ true,
-                               detailValue,
-                               res);
-  if (res.Failed()) {
-    return false;
-  }
-
-  domEvent->SetTrusted(true);
-  domEvent->WidgetEventPtr()->mFlags.mOnlyChromeDispatch = true;
-
-  nsCOMPtr<EventTarget> target = do_QueryInterface(GetOuterWindow());
-  domEvent->SetTarget(target);
-
-  bool defaultActionEnabled = true;
-  target->DispatchEvent(domEvent, &defaultActionEnabled);
-
-  return defaultActionEnabled;
-}
-
-void
-nsGlobalWindow::RefreshCompartmentPrincipal()
-{
-  MOZ_ASSERT(IsInnerWindow());
-
-  JS_SetCompartmentPrincipals(js::GetObjectCompartment(GetWrapperPreserveColor()),
-                              nsJSPrincipals::get(mDoc->NodePrincipal()));
-}
-
-static already_AddRefed<nsIDocShellTreeItem>
-GetCallerDocShellTreeItem()
-{
-  nsCOMPtr<nsIWebNavigation> callerWebNav = do_GetInterface(GetEntryGlobal());
-  nsCOMPtr<nsIDocShellTreeItem> callerItem = do_QueryInterface(callerWebNav);
-
-  return callerItem.forget();
-}
-
-bool
-nsGlobalWindow::WindowExists(const nsAString& aName,
-                             bool aForceNoOpener,
-                             bool aLookForCallerOnJSStack)
-{
-  NS_PRECONDITION(IsOuterWindow(), "Must be outer window");
-  NS_PRECONDITION(mDocShell, "Must have docshell");
-
-  if (aForceNoOpener) {
-    return aName.LowerCaseEqualsLiteral("_self") ||
-           aName.LowerCaseEqualsLiteral("_top") ||
-           aName.LowerCaseEqualsLiteral("_parent");
-  }
-
-  nsCOMPtr<nsIDocShellTreeItem> caller;
-  if (aLookForCallerOnJSStack) {
-    caller = GetCallerDocShellTreeItem();
-  }
-
-  if (!caller) {
-    caller = mDocShell;
-  }
-
-  nsCOMPtr<nsIDocShellTreeItem> namedItem;
-  mDocShell->FindItemWithName(aName, nullptr, caller,
-                              /* aSkipTabGroup = */ false,
-                              getter_AddRefs(namedItem));
-  return namedItem != nullptr;
-}
-
-already_AddRefed<nsIWidget>
-nsGlobalWindow::GetMainWidget()
-{
-  FORWARD_TO_OUTER(GetMainWidget, (), nullptr);
-
-  nsCOMPtr<nsIBaseWindow> treeOwnerAsWin = GetTreeOwnerWindow();
-
-  nsCOMPtr<nsIWidget> widget;
-
-  if (treeOwnerAsWin) {
-    treeOwnerAsWin->GetMainWidget(getter_AddRefs(widget));
-  }
-
-  return widget.forget();
-}
-
-nsIWidget*
-nsGlobalWindow::GetNearestWidget() const
-{
-  nsIDocShell* docShell = GetDocShell();
-  NS_ENSURE_TRUE(docShell, nullptr);
-  nsCOMPtr<nsIPresShell> presShell = docShell->GetPresShell();
-  NS_ENSURE_TRUE(presShell, nullptr);
-  nsIFrame* rootFrame = presShell->GetRootFrame();
-  NS_ENSURE_TRUE(rootFrame, nullptr);
-  return rootFrame->GetView()->GetNearestWidget(nullptr);
-}
-
-void
-nsGlobalWindow::SetFullScreenOuter(bool aFullScreen, mozilla::ErrorResult& aError)
-{
-  MOZ_RELEASE_ASSERT(IsOuterWindow());
-
-  aError = SetFullscreenInternal(FullscreenReason::ForFullscreenMode, aFullScreen);
-}
-
-void
-nsGlobalWindow::SetFullScreen(bool aFullScreen, mozilla::ErrorResult& aError)
-{
-  FORWARD_TO_OUTER_OR_THROW(SetFullScreenOuter, (aFullScreen, aError), aError, /* void */);
-}
-
-nsresult
-nsGlobalWindow::SetFullScreen(bool aFullScreen)
-{
-  FORWARD_TO_OUTER(SetFullScreen, (aFullScreen), NS_ERROR_NOT_INITIALIZED);
-
-  return SetFullscreenInternal(FullscreenReason::ForFullscreenMode, aFullScreen);
-}
-
-static void
-FinishDOMFullscreenChange(nsIDocument* aDoc, bool aInDOMFullscreen)
-{
-  if (aInDOMFullscreen) {
-    // Ask the document to handle any pending DOM fullscreen change.
-    if (!nsIDocument::HandlePendingFullscreenRequests(aDoc)) {
-      // If we don't end up having anything in fullscreen,
-      // async request exiting fullscreen.
-      nsIDocument::AsyncExitFullscreen(aDoc);
-    }
-  } else {
-    // If the window is leaving fullscreen state, also ask the document
-    // to exit from DOM Fullscreen.
-    nsIDocument::ExitFullscreenInDocTree(aDoc);
-  }
-}
-
-struct FullscreenTransitionDuration
-{
-  // The unit of the durations is millisecond
-  uint16_t mFadeIn = 0;
-  uint16_t mFadeOut = 0;
-  bool IsSuppressed() const
-  {
-    return mFadeIn == 0 && mFadeOut == 0;
-  }
-};
-
-static void
-GetFullscreenTransitionDuration(bool aEnterFullscreen,
-                                FullscreenTransitionDuration* aDuration)
-{
-  const char* pref = aEnterFullscreen ?
-    "full-screen-api.transition-duration.enter" :
-    "full-screen-api.transition-duration.leave";
-  nsAutoCString prefValue;
-  Preferences::GetCString(pref, prefValue);
-  if (!prefValue.IsEmpty()) {
-    sscanf(prefValue.get(), "%hu%hu",
-           &aDuration->mFadeIn, &aDuration->mFadeOut);
-  }
-}
-
-class FullscreenTransitionTask : public Runnable
-{
-public:
-  FullscreenTransitionTask(const FullscreenTransitionDuration& aDuration,
-                           nsGlobalWindowOuter* aWindow,
-                           bool aFullscreen,
-                           nsIWidget* aWidget,
-                           nsIScreen* aScreen,
-                           nsISupports* aTransitionData)
-    : mozilla::Runnable("FullscreenTransitionTask")
-    , mWindow(aWindow)
-    , mWidget(aWidget)
-    , mScreen(aScreen)
-    , mTransitionData(aTransitionData)
-    , mDuration(aDuration)
-    , mStage(eBeforeToggle)
-    , mFullscreen(aFullscreen)
-  {
-  }
-
-  NS_IMETHOD Run() override;
-
-private:
-  ~FullscreenTransitionTask() override
-  {
-  }
-
-  /**
-   * The flow of fullscreen transition:
-   *
-   *         parent process         |         child process
-   * ----------------------------------------------------------------
-   *
-   *                                    | request/exit fullscreen
-   *                              <-----|
-   *         BeforeToggle stage |
-   *                            |
-   *  ToggleFullscreen stage *1 |----->
-   *                                    | HandleFullscreenRequests
-   *                                    |
-   *                              <-----| MozAfterPaint event
-   *       AfterToggle stage *2 |
-   *                            |
-   *                  End stage |
-   *
-   * Note we also start a timer at *1 so that if we don't get MozAfterPaint
-   * from the child process in time, we continue going to *2.
-   */
-  enum Stage {
-    // BeforeToggle stage happens before we enter or leave fullscreen
-    // state. In this stage, the task triggers the pre-toggle fullscreen
-    // transition on the widget.
-    eBeforeToggle,
-    // ToggleFullscreen stage actually executes the fullscreen toggle,
-    // and wait for the next paint on the content to continue.
-    eToggleFullscreen,
-    // AfterToggle stage happens after we toggle the fullscreen state.
-    // In this stage, the task triggers the post-toggle fullscreen
-    // transition on the widget.
-    eAfterToggle,
-    // End stage is triggered after the final transition finishes.
-    eEnd
-  };
-
-  class Observer final : public nsIObserver
-  {
-  public:
-    NS_DECL_ISUPPORTS
-    NS_DECL_NSIOBSERVER
-
-    explicit Observer(FullscreenTransitionTask* aTask)
-      : mTask(aTask) { }
-
-  private:
-    ~Observer() = default;
-
-    RefPtr<FullscreenTransitionTask> mTask;
-  };
-
-  static const char* const kPaintedTopic;
-
-  RefPtr<nsGlobalWindowOuter> mWindow;
-  nsCOMPtr<nsIWidget> mWidget;
-  nsCOMPtr<nsIScreen> mScreen;
-  nsCOMPtr<nsITimer> mTimer;
-  nsCOMPtr<nsISupports> mTransitionData;
-
-  TimeStamp mFullscreenChangeStartTime;
-  FullscreenTransitionDuration mDuration;
-  Stage mStage;
-  bool mFullscreen;
-};
-
-const char* const
-FullscreenTransitionTask::kPaintedTopic = "fullscreen-painted";
-
-NS_IMETHODIMP
-FullscreenTransitionTask::Run()
-{
-  Stage stage = mStage;
-  mStage = Stage(mStage + 1);
-  if (MOZ_UNLIKELY(mWidget->Destroyed())) {
-    // If the widget has been destroyed before we get here, don't try to
-    // do anything more. Just let it go and release ourselves.
-    NS_WARNING("The widget to fullscreen has been destroyed");
-    return NS_OK;
-  }
-  if (stage == eBeforeToggle) {
-    PROFILER_ADD_MARKER("Fullscreen transition start");
-    mWidget->PerformFullscreenTransition(nsIWidget::eBeforeFullscreenToggle,
-                                         mDuration.mFadeIn, mTransitionData,
-                                         this);
-  } else if (stage == eToggleFullscreen) {
-    PROFILER_ADD_MARKER("Fullscreen toggle start");
-    mFullscreenChangeStartTime = TimeStamp::Now();
-    if (MOZ_UNLIKELY(mWindow->mFullScreen != mFullscreen)) {
-      // This could happen in theory if several fullscreen requests in
-      // different direction happen continuously in a short time. We
-      // need to ensure the fullscreen state matches our target here,
-      // otherwise the widget would change the window state as if we
-      // toggle for Fullscreen Mode instead of Fullscreen API.
-      NS_WARNING("The fullscreen state of the window does not match");
-      mWindow->mFullScreen = mFullscreen;
-    }
-    // Toggle the fullscreen state on the widget
-    if (!mWindow->SetWidgetFullscreen(FullscreenReason::ForFullscreenAPI,
-                                      mFullscreen, mWidget, mScreen)) {
-      // Fail to setup the widget, call FinishFullscreenChange to
-      // complete fullscreen change directly.
-      mWindow->FinishFullscreenChange(mFullscreen);
-    }
-    // Set observer for the next content paint.
-    nsCOMPtr<nsIObserver> observer = new Observer(this);
-    nsCOMPtr<nsIObserverService> obs = mozilla::services::GetObserverService();
-    obs->AddObserver(observer, kPaintedTopic, false);
-    // There are several edge cases where we may never get the paint
-    // notification, including:
-    // 1. the window/tab is closed before the next paint;
-    // 2. the user has switched to another tab before we get here.
-    // Completely fixing those cases seems to be tricky, and since they
-    // should rarely happen, it probably isn't worth to fix. Hence we
-    // simply add a timeout here to ensure we never hang forever.
-    // In addition, if the page is complicated or the machine is less
-    // powerful, layout could take a long time, in which case, staying
-    // in black screen for that long could hurt user experience even
-    // more than exposing an intermediate state.
-    uint32_t timeout =
-      Preferences::GetUint("full-screen-api.transition.timeout", 1000);
-    NS_NewTimerWithObserver(getter_AddRefs(mTimer),
-                            observer, timeout, nsITimer::TYPE_ONE_SHOT);
-  } else if (stage == eAfterToggle) {
-    Telemetry::AccumulateTimeDelta(Telemetry::FULLSCREEN_TRANSITION_BLACK_MS,
-                                   mFullscreenChangeStartTime);
-    mWidget->PerformFullscreenTransition(nsIWidget::eAfterFullscreenToggle,
-                                         mDuration.mFadeOut, mTransitionData,
-                                         this);
-  } else if (stage == eEnd) {
-    PROFILER_ADD_MARKER("Fullscreen transition end");
-  }
-  return NS_OK;
-}
-
-NS_IMPL_ISUPPORTS(FullscreenTransitionTask::Observer, nsIObserver)
-
-NS_IMETHODIMP
-FullscreenTransitionTask::Observer::Observe(nsISupports* aSubject,
-                                            const char* aTopic,
-                                            const char16_t* aData)
-{
-  bool shouldContinue = false;
-  if (strcmp(aTopic, FullscreenTransitionTask::kPaintedTopic) == 0) {
-    nsCOMPtr<nsPIDOMWindowInner> win(do_QueryInterface(aSubject));
-    nsCOMPtr<nsIWidget> widget = win ?
-      nsGlobalWindowInner::Cast(win)->GetMainWidget() : nullptr;
-    if (widget == mTask->mWidget) {
-      // The paint notification arrives first. Cancel the timer.
-      mTask->mTimer->Cancel();
-      shouldContinue = true;
-      PROFILER_ADD_MARKER("Fullscreen toggle end");
-    }
-  } else {
-#ifdef DEBUG
-    MOZ_ASSERT(strcmp(aTopic, NS_TIMER_CALLBACK_TOPIC) == 0,
-               "Should only get fullscreen-painted or timer-callback");
-    nsCOMPtr<nsITimer> timer(do_QueryInterface(aSubject));
-    MOZ_ASSERT(timer && timer == mTask->mTimer,
-               "Should only trigger this with the timer the task created");
-#endif
-    shouldContinue = true;
-    PROFILER_ADD_MARKER("Fullscreen toggle timeout");
-  }
-  if (shouldContinue) {
-    nsCOMPtr<nsIObserverService> obs = mozilla::services::GetObserverService();
-    obs->RemoveObserver(this, kPaintedTopic);
-    mTask->mTimer = nullptr;
-    mTask->Run();
-  }
-  return NS_OK;
-}
-
-static bool
-MakeWidgetFullscreen(nsGlobalWindowOuter* aWindow, FullscreenReason aReason,
-                     bool aFullscreen)
-{
-  nsCOMPtr<nsIWidget> widget = aWindow->GetMainWidget();
-  if (!widget) {
-    return false;
-  }
-
-  FullscreenTransitionDuration duration;
-  bool performTransition = false;
-  nsCOMPtr<nsISupports> transitionData;
-  if (aReason == FullscreenReason::ForFullscreenAPI) {
-    GetFullscreenTransitionDuration(aFullscreen, &duration);
-    if (!duration.IsSuppressed()) {
-      performTransition = widget->
-        PrepareForFullscreenTransition(getter_AddRefs(transitionData));
-    }
-  }
-  // We pass nullptr as the screen to SetWidgetFullscreen
-  // and FullscreenTransitionTask, as we do not wish to override
-  // the default screen selection behavior.  The screen containing
-  // most of the widget will be selected.
-  if (!performTransition) {
-    return aWindow->SetWidgetFullscreen(aReason, aFullscreen, widget, nullptr);
-  }
-  nsCOMPtr<nsIRunnable> task =
-    new FullscreenTransitionTask(duration, aWindow, aFullscreen,
-                                 widget, nullptr, transitionData);
-  task->Run();
-  return true;
-}
-
-nsresult
-nsGlobalWindow::SetFullscreenInternal(FullscreenReason aReason,
-                                      bool aFullScreen)
-{
-  MOZ_ASSERT(IsOuterWindow());
-  MOZ_ASSERT(nsContentUtils::IsSafeToRunScript(),
-             "Requires safe to run script as it "
-             "may call FinishDOMFullscreenChange");
-
-  NS_ENSURE_TRUE(mDocShell, NS_ERROR_FAILURE);
-
-  MOZ_ASSERT(aReason != FullscreenReason::ForForceExitFullscreen || !aFullScreen,
-             "FullscreenReason::ForForceExitFullscreen can "
-             "only be used with exiting fullscreen");
-
-  // Only chrome can change our fullscreen mode. Otherwise, the state
-  // can only be changed for DOM fullscreen.
-  if (aReason == FullscreenReason::ForFullscreenMode &&
-      !nsContentUtils::LegacyIsCallerChromeOrNativeCode()) {
-    return NS_OK;
-  }
-
-  // SetFullScreen needs to be called on the root window, so get that
-  // via the DocShell tree, and if we are not already the root,
-  // call SetFullScreen on that window instead.
-  nsCOMPtr<nsIDocShellTreeItem> rootItem;
-  mDocShell->GetRootTreeItem(getter_AddRefs(rootItem));
-  nsCOMPtr<nsPIDOMWindowOuter> window = rootItem ? rootItem->GetWindow() : nullptr;
-  if (!window)
-    return NS_ERROR_FAILURE;
-  if (rootItem != mDocShell)
-    return window->SetFullscreenInternal(aReason, aFullScreen);
-
-  // make sure we don't try to set full screen on a non-chrome window,
-  // which might happen in embedding world
-  if (mDocShell->ItemType() != nsIDocShellTreeItem::typeChrome)
-    return NS_ERROR_FAILURE;
-
-  // If we are already in full screen mode, just return.
-  if (mFullScreen == aFullScreen)
-    return NS_OK;
-
-  // Note that although entering DOM fullscreen could also cause
-  // consequential calls to this method, those calls will be skipped
-  // at the condition above.
-  if (aReason == FullscreenReason::ForFullscreenMode) {
-    if (!aFullScreen && !mFullscreenMode) {
-      // If we are exiting fullscreen mode, but we actually didn't
-      // entered fullscreen mode, the fullscreen state was only for
-      // the Fullscreen API. Change the reason here so that we can
-      // perform transition for it.
-      aReason = FullscreenReason::ForFullscreenAPI;
-    } else {
-      mFullscreenMode = aFullScreen;
-    }
-  } else {
-    // If we are exiting from DOM fullscreen while we initially make
-    // the window fullscreen because of fullscreen mode, don't restore
-    // the window. But we still need to exit the DOM fullscreen state.
-    if (!aFullScreen && mFullscreenMode) {
-      FinishDOMFullscreenChange(mDoc, false);
-      return NS_OK;
-    }
-  }
-
-  // Prevent chrome documents which are still loading from resizing
-  // the window after we set fullscreen mode.
-  nsCOMPtr<nsIBaseWindow> treeOwnerAsWin = GetTreeOwnerWindow();
-  nsCOMPtr<nsIXULWindow> xulWin(do_GetInterface(treeOwnerAsWin));
-  if (aFullScreen && xulWin) {
-    xulWin->SetIntrinsicallySized(false);
-  }
-
-  // Set this before so if widget sends an event indicating its
-  // gone full screen, the state trap above works.
-  mFullScreen = aFullScreen;
-
-  // Sometimes we don't want the top-level widget to actually go fullscreen,
-  // for example in the B2G desktop client, we don't want the emulated screen
-  // dimensions to appear to increase when entering fullscreen mode; we just
-  // want the content to fill the entire client area of the emulator window.
-  if (!Preferences::GetBool("full-screen-api.ignore-widgets", false)) {
-    if (MakeWidgetFullscreen(AssertOuter(), aReason, aFullScreen)) {
-      // The rest of code for switching fullscreen is in nsGlobalWindow::
-      // FinishFullscreenChange() which will be called after sizemodechange
-      // event is dispatched.
-      return NS_OK;
-    }
-  }
-
-  FinishFullscreenChange(aFullScreen);
-  return NS_OK;
-}
-
-bool
-nsGlobalWindow::SetWidgetFullscreen(FullscreenReason aReason, bool aIsFullscreen,
-                                    nsIWidget* aWidget, nsIScreen* aScreen)
-{
-  MOZ_ASSERT(IsOuterWindow());
-  MOZ_ASSERT(this == GetTopInternal(), "Only topmost window should call this");
-  MOZ_ASSERT(!AsOuter()->GetFrameElementInternal(), "Content window should not call this");
-  MOZ_ASSERT(XRE_GetProcessType() == GeckoProcessType_Default);
-
-  if (!NS_WARN_IF(!IsChromeWindow())) {
-    if (!NS_WARN_IF(mChromeFields.mFullscreenPresShell)) {
-      if (nsIPresShell* shell = mDocShell->GetPresShell()) {
-        if (nsRefreshDriver* rd = shell->GetRefreshDriver()) {
-          mChromeFields.mFullscreenPresShell = do_GetWeakReference(shell);
-          MOZ_ASSERT(mChromeFields.mFullscreenPresShell);
-          rd->SetIsResizeSuppressed();
-          rd->Freeze();
-        }
-      }
-    }
-  }
-  nsresult rv = aReason == FullscreenReason::ForFullscreenMode ?
-    // If we enter fullscreen for fullscreen mode, we want
-    // the native system behavior.
-    aWidget->MakeFullScreenWithNativeTransition(aIsFullscreen, aScreen) :
-    aWidget->MakeFullScreen(aIsFullscreen, aScreen);
-  return NS_SUCCEEDED(rv);
-}
-
-/* virtual */ void
-nsGlobalWindow::FullscreenWillChange(bool aIsFullscreen)
-{
-  if (aIsFullscreen) {
-    DispatchCustomEvent(NS_LITERAL_STRING("willenterfullscreen"));
-  } else {
-    DispatchCustomEvent(NS_LITERAL_STRING("willexitfullscreen"));
-  }
-}
-
-/* virtual */ void
-nsGlobalWindow::FinishFullscreenChange(bool aIsFullscreen)
-{
-  MOZ_ASSERT(IsOuterWindow());
-
-  if (aIsFullscreen != mFullScreen) {
-    NS_WARNING("Failed to toggle fullscreen state of the widget");
-    // We failed to make the widget enter fullscreen.
-    // Stop further changes and restore the state.
-    if (!aIsFullscreen) {
-      mFullScreen = false;
-      mFullscreenMode = false;
-    } else {
-      MOZ_ASSERT_UNREACHABLE("Failed to exit fullscreen?");
-      mFullScreen = true;
-      // We don't know how code can reach here. Not sure
-      // what value should be set for fullscreen mode.
-      mFullscreenMode = false;
-    }
-    return;
-  }
-
-  // Note that we must call this to toggle the DOM fullscreen state
-  // of the document before dispatching the "fullscreen" event, so
-  // that the chrome can distinguish between browser fullscreen mode
-  // and DOM fullscreen.
-  FinishDOMFullscreenChange(mDoc, mFullScreen);
-
-  // dispatch a "fullscreen" DOM event so that XUL apps can
-  // respond visually if we are kicked into full screen mode
-  DispatchCustomEvent(NS_LITERAL_STRING("fullscreen"));
-
-  if (!NS_WARN_IF(!IsChromeWindow())) {
-    if (nsCOMPtr<nsIPresShell> shell =
-        do_QueryReferent(mChromeFields.mFullscreenPresShell)) {
-      if (nsRefreshDriver* rd = shell->GetRefreshDriver()) {
-        rd->Thaw();
-      }
-      mChromeFields.mFullscreenPresShell = nullptr;
-    }
-  }
-
-  if (!mWakeLock && mFullScreen) {
-    RefPtr<power::PowerManagerService> pmService =
-      power::PowerManagerService::GetInstance();
-    if (!pmService) {
-      return;
-    }
-
-    // XXXkhuey using the inner here, do we need to do something if it changes?
-    ErrorResult rv;
-    mWakeLock = pmService->NewWakeLock(NS_LITERAL_STRING("DOM_Fullscreen"),
-                                       AsOuter()->GetCurrentInnerWindow(), rv);
-    NS_WARNING_ASSERTION(!rv.Failed(), "Failed to lock the wakelock");
-    rv.SuppressException();
-  } else if (mWakeLock && !mFullScreen) {
-    ErrorResult rv;
-    mWakeLock->Unlock(rv);
-    mWakeLock = nullptr;
-    rv.SuppressException();
-  }
-}
-
-bool
-nsGlobalWindow::FullScreen() const
-{
-  MOZ_ASSERT(IsOuterWindow());
-
-  NS_ENSURE_TRUE(mDocShell, mFullScreen);
-
-  // Get the fullscreen value of the root window, to always have the value
-  // accurate, even when called from content.
-  nsCOMPtr<nsIDocShellTreeItem> rootItem;
-  mDocShell->GetRootTreeItem(getter_AddRefs(rootItem));
-  if (rootItem == mDocShell) {
-    if (!XRE_IsContentProcess()) {
-      // We are the root window. Return our internal value.
-      return mFullScreen;
-    }
-    if (nsCOMPtr<nsIWidget> widget = GetNearestWidget()) {
-      // We are in content process, figure out the value from
-      // the sizemode of the puppet widget.
-      return widget->SizeMode() == nsSizeMode_Fullscreen;
-    }
-    return false;
-  }
-
-  nsCOMPtr<nsPIDOMWindowOuter> window = rootItem->GetWindow();
-  NS_ENSURE_TRUE(window, mFullScreen);
-
-  return nsGlobalWindowOuter::Cast(window)->FullScreen();
-}
-
-bool
-nsGlobalWindow::GetFullScreenOuter()
-{
-  MOZ_RELEASE_ASSERT(IsOuterWindow());
-  return FullScreen();
-}
-
-bool
-nsGlobalWindow::GetFullScreen(ErrorResult& aError)
-{
-  FORWARD_TO_OUTER_OR_THROW(GetFullScreenOuter, (), aError, false);
-}
-
-bool
-nsGlobalWindow::GetFullScreen()
-{
-  FORWARD_TO_INNER(GetFullScreen, (), false);
-
-  ErrorResult dummy;
-  bool fullscreen = GetFullScreen(dummy);
-  dummy.SuppressException();
-  return fullscreen;
-}
-
-void
-nsGlobalWindow::Dump(const nsAString& aStr)
-{
-  if (!nsContentUtils::DOMWindowDumpEnabled()) {
-    return;
-  }
-
-  char *cstr = ToNewUTF8String(aStr);
-
-#if defined(XP_MACOSX)
-  // have to convert \r to \n so that printing to the console works
-  char *c = cstr, *cEnd = cstr + strlen(cstr);
-  while (c < cEnd) {
-    if (*c == '\r')
-      *c = '\n';
-    c++;
-  }
-#endif
-
-  if (cstr) {
-    MOZ_LOG(nsContentUtils::DOMDumpLog(), LogLevel::Debug, ("[Window.Dump] %s", cstr));
-#ifdef XP_WIN
-    PrintToDebugger(cstr);
-#endif
-#ifdef ANDROID
-    __android_log_write(ANDROID_LOG_INFO, "GeckoDump", cstr);
-#endif
-    FILE *fp = gDumpFile ? gDumpFile : stdout;
-    fputs(cstr, fp);
-    fflush(fp);
-    free(cstr);
-  }
-}
-
-void
-nsGlobalWindow::EnsureReflowFlushAndPaint()
-{
-  MOZ_ASSERT(IsOuterWindow());
-  NS_ASSERTION(mDocShell, "EnsureReflowFlushAndPaint() called with no "
-               "docshell!");
-
-  if (!mDocShell)
-    return;
-
-  nsCOMPtr<nsIPresShell> presShell = mDocShell->GetPresShell();
-
-  if (!presShell)
-    return;
-
-  // Flush pending reflows.
-  if (mDoc) {
-    mDoc->FlushPendingNotifications(FlushType::Layout);
-  }
-
-  // Unsuppress painting.
-  presShell->UnsuppressPainting();
-}
-
-// static
-void
-nsGlobalWindow::MakeScriptDialogTitle(nsAString& aOutTitle,
-                                      nsIPrincipal* aSubjectPrincipal)
-{
-  MOZ_ASSERT(aSubjectPrincipal);
-
-  aOutTitle.Truncate();
-
-  // Try to get a host from the running principal -- this will do the
-  // right thing for javascript: and data: documents.
-
-  nsCOMPtr<nsIURI> uri;
-  nsresult rv = aSubjectPrincipal->GetURI(getter_AddRefs(uri));
-  // Note - The check for the current JSContext here isn't necessarily sensical.
-  // It's just designed to preserve existing behavior during a mass-conversion
-  // patch.
-  if (NS_SUCCEEDED(rv) && uri && nsContentUtils::GetCurrentJSContext()) {
-    // remove user:pass for privacy and spoof prevention
-
-    nsCOMPtr<nsIURIFixup> fixup(do_GetService(NS_URIFIXUP_CONTRACTID));
-    if (fixup) {
-      nsCOMPtr<nsIURI> fixedURI;
-      rv = fixup->CreateExposableURI(uri, getter_AddRefs(fixedURI));
-      if (NS_SUCCEEDED(rv) && fixedURI) {
-        nsAutoCString host;
-        fixedURI->GetHost(host);
-
-        if (!host.IsEmpty()) {
-          // if this URI has a host we'll show it. For other
-          // schemes (e.g. file:) we fall back to the localized
-          // generic string
-
-          nsAutoCString prepath;
-          fixedURI->GetDisplayPrePath(prepath);
-
-          NS_ConvertUTF8toUTF16 ucsPrePath(prepath);
-          const char16_t *formatStrings[] = { ucsPrePath.get() };
-          nsContentUtils::FormatLocalizedString(nsContentUtils::eCOMMON_DIALOG_PROPERTIES,
-                                                "ScriptDlgHeading",
-                                                formatStrings,
-                                                aOutTitle);
-        }
-      }
-    }
-  }
-
-  if (aOutTitle.IsEmpty()) {
-    // We didn't find a host so use the generic heading
-    nsContentUtils::GetLocalizedString(nsContentUtils::eCOMMON_DIALOG_PROPERTIES,
-                                       "ScriptDlgGenericHeading",
-                                       aOutTitle);
-  }
-
-  // Just in case
-  if (aOutTitle.IsEmpty()) {
-    NS_WARNING("could not get ScriptDlgGenericHeading string from string bundle");
-    aOutTitle.AssignLiteral("[Script]");
-  }
-}
-
-bool
-nsGlobalWindow::CanMoveResizeWindows(CallerType aCallerType)
-{
-  MOZ_ASSERT(IsOuterWindow());
-
-  // When called from chrome, we can avoid the following checks.
-  if (aCallerType != CallerType::System) {
-    // Don't allow scripts to move or resize windows that were not opened by a
-    // script.
-    if (!mHadOriginalOpener) {
-      return false;
-    }
-
-    if (!CanSetProperty("dom.disable_window_move_resize")) {
-      return false;
-    }
-
-    // Ignore the request if we have more than one tab in the window.
-    uint32_t itemCount = 0;
-    if (XRE_IsContentProcess()) {
-      nsCOMPtr<nsIDocShell> docShell = GetDocShell();
-      if (docShell) {
-        nsCOMPtr<nsITabChild> child = docShell->GetTabChild();
-        if (child) {
-          child->SendGetTabCount(&itemCount);
-        }
-      }
-    } else {
-      nsCOMPtr<nsIDocShellTreeOwner> treeOwner = GetTreeOwner();
-      if (!treeOwner || NS_FAILED(treeOwner->GetTabCount(&itemCount))) {
-        itemCount = 0;
-      }
-    }
-    if (itemCount > 1) {
-      return false;
-    }
-  }
-
-  if (mDocShell) {
-    bool allow;
-    nsresult rv = mDocShell->GetAllowWindowControl(&allow);
-    if (NS_SUCCEEDED(rv) && !allow)
-      return false;
-  }
-
-  if (gMouseDown && !gDragServiceDisabled) {
-    nsCOMPtr<nsIDragService> ds =
-      do_GetService("@mozilla.org/widget/dragservice;1");
-    if (ds) {
-      gDragServiceDisabled = true;
-      ds->Suppress();
-    }
-  }
-  return true;
-}
-
-bool
-nsGlobalWindow::AlertOrConfirm(bool aAlert,
-                               const nsAString& aMessage,
-                               nsIPrincipal& aSubjectPrincipal,
-                               ErrorResult& aError)
-{
-  // XXX This method is very similar to nsGlobalWindow::Prompt, make
-  // sure any modifications here don't need to happen over there!
-  MOZ_ASSERT(IsOuterWindow());
-
-  if (!AreDialogsEnabled()) {
-    // Just silently return.  In the case of alert(), the return value is
-    // ignored.  In the case of confirm(), returning false is the same thing as
-    // would happen if the user cancels.
-    return false;
-  }
-
-  // Reset popup state while opening a modal dialog, and firing events
-  // about the dialog, to prevent the current state from being active
-  // the whole time a modal dialog is open.
-  nsAutoPopupStatePusher popupStatePusher(openAbused, true);
-
-  // Before bringing up the window, unsuppress painting and flush
-  // pending reflows.
-  EnsureReflowFlushAndPaint();
-
-  nsAutoString title;
-  MakeScriptDialogTitle(title, &aSubjectPrincipal);
-
-  // Remove non-terminating null characters from the
-  // string. See bug #310037.
-  nsAutoString final;
-  nsContentUtils::StripNullChars(aMessage, final);
-
-  nsresult rv;
-  nsCOMPtr<nsIPromptFactory> promptFac =
-    do_GetService("@mozilla.org/prompter;1", &rv);
-  if (NS_FAILED(rv)) {
-    aError.Throw(rv);
-    return false;
-  }
-
-  nsCOMPtr<nsIPrompt> prompt;
-  aError = promptFac->GetPrompt(AsOuter(), NS_GET_IID(nsIPrompt),
-                                getter_AddRefs(prompt));
-  if (aError.Failed()) {
-    return false;
-  }
-
-  // Always allow tab modal prompts for alert and confirm.
-  if (nsCOMPtr<nsIWritablePropertyBag2> promptBag = do_QueryInterface(prompt)) {
-    promptBag->SetPropertyAsBool(NS_LITERAL_STRING("allowTabModal"), true);
-  }
-
-  bool result = false;
-  nsAutoSyncOperation sync(mDoc);
-  if (ShouldPromptToBlockDialogs()) {
-    bool disallowDialog = false;
-    nsAutoString label;
-    nsContentUtils::GetLocalizedString(nsContentUtils::eCOMMON_DIALOG_PROPERTIES,
-                                       "ScriptDialogLabel", label);
-
-    aError = aAlert ?
-               prompt->AlertCheck(title.get(), final.get(), label.get(),
-                                  &disallowDialog) :
-               prompt->ConfirmCheck(title.get(), final.get(), label.get(),
-                                    &disallowDialog, &result);
-
-    if (disallowDialog)
-      DisableDialogs();
-  } else {
-    aError = aAlert ?
-               prompt->Alert(title.get(), final.get()) :
-               prompt->Confirm(title.get(), final.get(), &result);
-  }
-
-  return result;
-}
-
-void
-nsGlobalWindow::Alert(nsIPrincipal& aSubjectPrincipal,
-                      ErrorResult& aError)
-{
-  MOZ_ASSERT(IsInnerWindow());
-  Alert(EmptyString(), aSubjectPrincipal, aError);
-}
-
-void
-nsGlobalWindow::AlertOuter(const nsAString& aMessage,
-                           nsIPrincipal& aSubjectPrincipal,
-                           ErrorResult& aError)
-{
-  MOZ_RELEASE_ASSERT(IsOuterWindow());
-  AlertOrConfirm(/* aAlert = */ true, aMessage, aSubjectPrincipal, aError);
-}
-
-void
-nsGlobalWindow::Alert(const nsAString& aMessage,
-                      nsIPrincipal& aSubjectPrincipal,
-                      ErrorResult& aError)
-{
-  FORWARD_TO_OUTER_OR_THROW(AlertOuter, (aMessage, aSubjectPrincipal, aError),
-                            aError, );
-}
-
-bool
-nsGlobalWindow::ConfirmOuter(const nsAString& aMessage,
-                             nsIPrincipal& aSubjectPrincipal,
-                             ErrorResult& aError)
-{
-  MOZ_RELEASE_ASSERT(IsOuterWindow());
-
-  return AlertOrConfirm(/* aAlert = */ false, aMessage, aSubjectPrincipal,
-                        aError);
-}
-
-bool
-nsGlobalWindow::Confirm(const nsAString& aMessage,
-                        nsIPrincipal& aSubjectPrincipal,
-                        ErrorResult& aError)
-{
-  FORWARD_TO_OUTER_OR_THROW(ConfirmOuter, (aMessage, aSubjectPrincipal, aError),
-                            aError, false);
-}
-
-already_AddRefed<Promise>
-nsGlobalWindow::Fetch(const RequestOrUSVString& aInput,
-                      const RequestInit& aInit,
-                      CallerType aCallerType, ErrorResult& aRv)
-{
-  return FetchRequest(this, aInput, aInit, aCallerType, aRv);
-}
-
-void
-nsGlobalWindow::PromptOuter(const nsAString& aMessage,
-                            const nsAString& aInitial,
-                            nsAString& aReturn,
-                            nsIPrincipal& aSubjectPrincipal,
-                            ErrorResult& aError)
-{
-  // XXX This method is very similar to nsGlobalWindow::AlertOrConfirm, make
-  // sure any modifications here don't need to happen over there!
-  MOZ_RELEASE_ASSERT(IsOuterWindow());
-
-  SetDOMStringToNull(aReturn);
-
-  if (!AreDialogsEnabled()) {
-    // Return null, as if the user just canceled the prompt.
-    return;
-  }
-
-  // Reset popup state while opening a modal dialog, and firing events
-  // about the dialog, to prevent the current state from being active
-  // the whole time a modal dialog is open.
-  nsAutoPopupStatePusher popupStatePusher(openAbused, true);
-
-  // Before bringing up the window, unsuppress painting and flush
-  // pending reflows.
-  EnsureReflowFlushAndPaint();
-
-  nsAutoString title;
-  MakeScriptDialogTitle(title, &aSubjectPrincipal);
-
-  // Remove non-terminating null characters from the
-  // string. See bug #310037.
-  nsAutoString fixedMessage, fixedInitial;
-  nsContentUtils::StripNullChars(aMessage, fixedMessage);
-  nsContentUtils::StripNullChars(aInitial, fixedInitial);
-
-  nsresult rv;
-  nsCOMPtr<nsIPromptFactory> promptFac =
-    do_GetService("@mozilla.org/prompter;1", &rv);
-  if (NS_FAILED(rv)) {
-    aError.Throw(rv);
-    return;
-  }
-
-  nsCOMPtr<nsIPrompt> prompt;
-  aError = promptFac->GetPrompt(AsOuter(), NS_GET_IID(nsIPrompt),
-                                getter_AddRefs(prompt));
-  if (aError.Failed()) {
-    return;
-  }
-
-  // Always allow tab modal prompts for prompt.
-  if (nsCOMPtr<nsIWritablePropertyBag2> promptBag = do_QueryInterface(prompt)) {
-    promptBag->SetPropertyAsBool(NS_LITERAL_STRING("allowTabModal"), true);
-  }
-
-  // Pass in the default value, if any.
-  char16_t *inoutValue = ToNewUnicode(fixedInitial);
-  bool disallowDialog = false;
-
-  nsAutoString label;
-  label.SetIsVoid(true);
-  if (ShouldPromptToBlockDialogs()) {
-    nsContentUtils::GetLocalizedString(nsContentUtils::eCOMMON_DIALOG_PROPERTIES,
-                                       "ScriptDialogLabel", label);
-  }
-
-  nsAutoSyncOperation sync(mDoc);
-  bool ok;
-  aError = prompt->Prompt(title.get(), fixedMessage.get(), &inoutValue,
-                          label.IsVoid() ? nullptr : label.get(),
-                          &disallowDialog, &ok);
-
-  if (disallowDialog) {
-    DisableDialogs();
-  }
-
-  if (aError.Failed()) {
-    return;
-  }
-
-  nsString outValue;
-  outValue.Adopt(inoutValue);
-
-  if (ok && inoutValue) {
-    aReturn.Assign(outValue);
-  }
-}
-
-void
-nsGlobalWindow::Prompt(const nsAString& aMessage, const nsAString& aInitial,
-                       nsAString& aReturn,
-                       nsIPrincipal& aSubjectPrincipal,
-                       ErrorResult& aError)
-{
-  FORWARD_TO_OUTER_OR_THROW(PromptOuter,
-                            (aMessage, aInitial, aReturn, aSubjectPrincipal,
-                             aError),
-                            aError, );
-}
-
-void
-nsGlobalWindow::FocusOuter(ErrorResult& aError)
-{
-  MOZ_RELEASE_ASSERT(IsOuterWindow());
-
-  nsIFocusManager* fm = nsFocusManager::GetFocusManager();
-  if (!fm) {
-    return;
-  }
-
-  nsCOMPtr<nsIBaseWindow> baseWin = do_QueryInterface(mDocShell);
-
-  bool isVisible = false;
-  if (baseWin) {
-    baseWin->GetVisibility(&isVisible);
-  }
-
-  if (!isVisible) {
-    // A hidden tab is being focused, ignore this call.
-    return;
-  }
-
-  nsCOMPtr<nsPIDOMWindowInner> caller = do_QueryInterface(GetEntryGlobal());
-  nsPIDOMWindowOuter* callerOuter = caller ? caller->GetOuterWindow() : nullptr;
-  nsCOMPtr<nsPIDOMWindowOuter> opener = GetOpener();
-
-  // Enforce dom.disable_window_flip (for non-chrome), but still allow the
-  // window which opened us to raise us at times when popups are allowed
-  // (bugs 355482 and 369306).
-  bool canFocus = CanSetProperty("dom.disable_window_flip") ||
-                    (opener == callerOuter &&
-                     RevisePopupAbuseLevel(gPopupControlState) < openBlocked);
-
-  nsCOMPtr<mozIDOMWindowProxy> activeDOMWindow;
-  fm->GetActiveWindow(getter_AddRefs(activeDOMWindow));
-
-  nsCOMPtr<nsIDocShellTreeItem> rootItem;
-  mDocShell->GetRootTreeItem(getter_AddRefs(rootItem));
-  nsCOMPtr<nsPIDOMWindowOuter> rootWin = rootItem ? rootItem->GetWindow() : nullptr;
-  auto* activeWindow = nsPIDOMWindowOuter::From(activeDOMWindow);
-  bool isActive = (rootWin == activeWindow);
-
-  nsCOMPtr<nsIBaseWindow> treeOwnerAsWin = GetTreeOwnerWindow();
-  if (treeOwnerAsWin && (canFocus || isActive)) {
-    bool isEnabled = true;
-    if (NS_SUCCEEDED(treeOwnerAsWin->GetEnabled(&isEnabled)) && !isEnabled) {
-      NS_WARNING( "Should not try to set the focus on a disabled window" );
-      return;
-    }
-
-    // XXXndeakin not sure what this is for or if it should go somewhere else
-    nsCOMPtr<nsIEmbeddingSiteWindow> embeddingWin(do_GetInterface(treeOwnerAsWin));
-    if (embeddingWin)
-      embeddingWin->SetFocus();
-  }
-
-  if (!mDocShell) {
-    return;
-  }
-
-  nsCOMPtr<nsIPresShell> presShell;
-  // Don't look for a presshell if we're a root chrome window that's got
-  // about:blank loaded.  We don't want to focus our widget in that case.
-  // XXXbz should we really be checking for IsInitialDocument() instead?
-  bool lookForPresShell = true;
-  if (mDocShell->ItemType() == nsIDocShellTreeItem::typeChrome &&
-      GetPrivateRoot() == AsOuter() && mDoc) {
-    nsIURI* ourURI = mDoc->GetDocumentURI();
-    if (ourURI) {
-      lookForPresShell = !NS_IsAboutBlank(ourURI);
-    }
-  }
-
-  if (lookForPresShell) {
-    mDocShell->GetEldestPresShell(getter_AddRefs(presShell));
-  }
-
-  nsCOMPtr<nsIDocShellTreeItem> parentDsti;
-  mDocShell->GetParent(getter_AddRefs(parentDsti));
-
-  // set the parent's current focus to the frame containing this window.
-  nsCOMPtr<nsPIDOMWindowOuter> parent =
-    parentDsti ? parentDsti->GetWindow() : nullptr;
-  if (parent) {
-    nsCOMPtr<nsIDocument> parentdoc = parent->GetDoc();
-    if (!parentdoc) {
-      return;
-    }
-
-    nsIContent* frame = parentdoc->FindContentForSubDocument(mDoc);
-    nsCOMPtr<nsIDOMElement> frameElement = do_QueryInterface(frame);
-    if (frameElement) {
-      uint32_t flags = nsIFocusManager::FLAG_NOSCROLL;
-      if (canFocus)
-        flags |= nsIFocusManager::FLAG_RAISE;
-      aError = fm->SetFocus(frameElement, flags);
-    }
-    return;
-  }
-
-  if (canFocus) {
-    // if there is no parent, this must be a toplevel window, so raise the
-    // window if canFocus is true. If this is a child process, the raise
-    // window request will get forwarded to the parent by the puppet widget.
-    aError = fm->SetActiveWindow(AsOuter());
-  }
-}
-
-void
-nsGlobalWindow::Focus(ErrorResult& aError)
-{
-  FORWARD_TO_OUTER_OR_THROW(FocusOuter, (aError), aError, );
-}
-
-nsresult
-nsGlobalWindow::Focus()
-{
-  FORWARD_TO_INNER(Focus, (), NS_ERROR_UNEXPECTED);
-
-  ErrorResult rv;
-  Focus(rv);
-
-  return rv.StealNSResult();
-}
-
-void
-nsGlobalWindow::BlurOuter()
-{
-  MOZ_RELEASE_ASSERT(IsOuterWindow());
-
-  // If dom.disable_window_flip == true, then content should not be allowed
-  // to call this function (this would allow popunders, bug 369306)
-  if (!CanSetProperty("dom.disable_window_flip")) {
-    return;
-  }
-
-  // If embedding apps don't implement nsIEmbeddingSiteWindow, we
-  // shouldn't throw exceptions to web content.
-
-  nsCOMPtr<nsIDocShellTreeOwner> treeOwner = GetTreeOwner();
-  nsCOMPtr<nsIEmbeddingSiteWindow> siteWindow(do_GetInterface(treeOwner));
-  if (siteWindow) {
-    // This method call may cause mDocShell to become nullptr.
-    siteWindow->Blur();
-
-    // if the root is focused, clear the focus
-    nsIFocusManager* fm = nsFocusManager::GetFocusManager();
-    if (fm && mDoc) {
-      nsCOMPtr<nsIDOMElement> element;
-      fm->GetFocusedElementForWindow(AsOuter(), false, nullptr, getter_AddRefs(element));
-      nsCOMPtr<nsIContent> content = do_QueryInterface(element);
-      if (content == mDoc->GetRootElement()) {
-        fm->ClearFocus(AsOuter());
-      }
-    }
-  }
-}
-
-void
-nsGlobalWindow::Blur(ErrorResult& aError)
-{
-  FORWARD_TO_OUTER_OR_THROW(BlurOuter, (), aError, );
-}
-
-void
-nsGlobalWindow::BackOuter(ErrorResult& aError)
-{
-  MOZ_RELEASE_ASSERT(IsOuterWindow());
-
-  nsCOMPtr<nsIWebNavigation> webNav(do_QueryInterface(mDocShell));
-  if (!webNav) {
-    aError.Throw(NS_ERROR_FAILURE);
-    return;
-  }
-
-  aError = webNav->GoBack();
-}
-
-void
-nsGlobalWindow::Back(ErrorResult& aError)
-{
-  FORWARD_TO_OUTER_OR_THROW(BackOuter, (aError), aError, );
-}
-
-void
-nsGlobalWindow::ForwardOuter(ErrorResult& aError)
-{
-  MOZ_RELEASE_ASSERT(IsOuterWindow());
-
-  nsCOMPtr<nsIWebNavigation> webNav(do_QueryInterface(mDocShell));
-  if (!webNav) {
-    aError.Throw(NS_ERROR_FAILURE);
-    return;
-  }
-
-  aError = webNav->GoForward();
-}
-
-void
-nsGlobalWindow::Forward(ErrorResult& aError)
-{
-  FORWARD_TO_OUTER_OR_THROW(ForwardOuter, (aError), aError, );
-}
-
-void
-nsGlobalWindow::HomeOuter(nsIPrincipal& aSubjectPrincipal, ErrorResult& aError)
-{
-  MOZ_RELEASE_ASSERT(IsOuterWindow());
-
-  if (!mDocShell) {
-    return;
-  }
-
-  nsAutoString homeURL;
-  Preferences::GetLocalizedString(PREF_BROWSER_STARTUP_HOMEPAGE, homeURL);
-
-  if (homeURL.IsEmpty()) {
-    // if all else fails, use this
-#ifdef DEBUG_seth
-    printf("all else failed.  using %s as the home page\n", DEFAULT_HOME_PAGE);
-#endif
-    CopyASCIItoUTF16(DEFAULT_HOME_PAGE, homeURL);
-  }
-
-#ifdef MOZ_PHOENIX
-  {
-    // Firefox lets the user specify multiple home pages to open in
-    // individual tabs by separating them with '|'. Since we don't
-    // have the machinery in place to easily open new tabs from here,
-    // simply truncate the homeURL at the first '|' character to
-    // prevent any possibilities of leaking the users list of home
-    // pages to the first home page.
-    //
-    // Once bug https://bugzilla.mozilla.org/show_bug.cgi?id=221445 is
-    // fixed we can revisit this.
-    int32_t firstPipe = homeURL.FindChar('|');
-
-    if (firstPipe > 0) {
-      homeURL.Truncate(firstPipe);
-    }
-  }
-#endif
-
-  nsCOMPtr<nsIWebNavigation> webNav(do_QueryInterface(mDocShell));
-  if (!webNav) {
-    aError.Throw(NS_ERROR_FAILURE);
-    return;
-  }
-
-  aError = webNav->LoadURI(homeURL.get(),
-                           nsIWebNavigation::LOAD_FLAGS_NONE,
-                           nullptr,
-                           nullptr,
-                           nullptr,
-                           &aSubjectPrincipal);
-}
-
-void
-nsGlobalWindow::Home(nsIPrincipal& aSubjectPrincipal, ErrorResult& aError)
-{
-  FORWARD_TO_OUTER_OR_THROW(HomeOuter, (aSubjectPrincipal, aError), aError, );
-}
-
-void
-nsGlobalWindow::StopOuter(ErrorResult& aError)
-{
-  MOZ_RELEASE_ASSERT(IsOuterWindow());
-
-  nsCOMPtr<nsIWebNavigation> webNav(do_QueryInterface(mDocShell));
-  if (webNav) {
-    aError = webNav->Stop(nsIWebNavigation::STOP_ALL);
-  }
-}
-
-void
-nsGlobalWindow::Stop(ErrorResult& aError)
-{
-  FORWARD_TO_OUTER_OR_THROW(StopOuter, (aError), aError, );
-}
-
-/* static */
-bool
-nsGlobalWindow::IsWindowPrintEnabled(JSContext*, JSObject*)
-{
-  static bool called = false;
-  static bool printDisabled = false;
-  if (!called) {
-    called = true;
-    Preferences::AddBoolVarCache(&printDisabled, "dom.disable_window_print");
-  }
-  return !printDisabled;
-}
-
-void
-nsGlobalWindow::PrintOuter(ErrorResult& aError)
-{
-  MOZ_RELEASE_ASSERT(IsOuterWindow());
-
-#ifdef NS_PRINTING
-  if (!AreDialogsEnabled()) {
-    // We probably want to keep throwing here; silently doing nothing is a bit
-    // weird given the typical use cases of print().
-    aError.Throw(NS_ERROR_NOT_AVAILABLE);
-    return;
-  }
-
-  if (ShouldPromptToBlockDialogs() && !ConfirmDialogIfNeeded()) {
-    aError.Throw(NS_ERROR_NOT_AVAILABLE);
-    return;
-  }
-
-  nsCOMPtr<nsIWebBrowserPrint> webBrowserPrint;
-  if (NS_SUCCEEDED(GetInterface(NS_GET_IID(nsIWebBrowserPrint),
-                                getter_AddRefs(webBrowserPrint)))) {
-    nsAutoSyncOperation sync(GetCurrentInnerWindowInternal() ?
-                               GetCurrentInnerWindowInternal()->mDoc.get() :
-                               nullptr);
-
-    nsCOMPtr<nsIPrintSettingsService> printSettingsService =
-      do_GetService("@mozilla.org/gfx/printsettings-service;1");
-
-    nsCOMPtr<nsIPrintSettings> printSettings;
-    if (printSettingsService) {
-      bool printSettingsAreGlobal =
-        Preferences::GetBool("print.use_global_printsettings", false);
-
-      if (printSettingsAreGlobal) {
-        printSettingsService->GetGlobalPrintSettings(getter_AddRefs(printSettings));
-
-        nsAutoString printerName;
-        printSettings->GetPrinterName(printerName);
-
-        bool shouldGetDefaultPrinterName = printerName.IsEmpty();
-#ifdef MOZ_X11
-        // In Linux, GTK backend does not support per printer settings.
-        // Calling GetDefaultPrinterName causes a sandbox violation (see Bug 1329216).
-        // The printer name is not needed anywhere else on Linux before it gets to the parent.
-        // In the parent, we will then query the default printer name if no name is set.
-        // Unless we are in the parent, we will skip this part.
-        if (!XRE_IsParentProcess()) {
-          shouldGetDefaultPrinterName = false;
-        }
-#endif
-        if (shouldGetDefaultPrinterName) {
-          printSettingsService->GetDefaultPrinterName(printerName);
-          printSettings->SetPrinterName(printerName);
-        }
-        printSettingsService->InitPrintSettingsFromPrinter(printerName,
-                                                           printSettings);
-        printSettingsService->InitPrintSettingsFromPrefs(printSettings,
-                                                         true,
-                                                         nsIPrintSettings::kInitSaveAll);
-      } else {
-        printSettingsService->GetNewPrintSettings(getter_AddRefs(printSettings));
-      }
-
-      EnterModalState();
-      webBrowserPrint->Print(printSettings, nullptr);
-      LeaveModalState();
-
-      bool savePrintSettings =
-        Preferences::GetBool("print.save_print_settings", false);
-      if (printSettingsAreGlobal && savePrintSettings) {
-        printSettingsService->
-          SavePrintSettingsToPrefs(printSettings,
-                                   true,
-                                   nsIPrintSettings::kInitSaveAll);
-        printSettingsService->
-          SavePrintSettingsToPrefs(printSettings,
-                                   false,
-                                   nsIPrintSettings::kInitSavePrinterName);
-      }
-    } else {
-      webBrowserPrint->GetGlobalPrintSettings(getter_AddRefs(printSettings));
-      webBrowserPrint->Print(printSettings, nullptr);
-    }
-  }
-#endif //NS_PRINTING
-}
-
-void
-nsGlobalWindow::Print(ErrorResult& aError)
-{
-  FORWARD_TO_OUTER_OR_THROW(PrintOuter, (aError), aError, );
-}
-
-void
-nsGlobalWindow::MoveToOuter(int32_t aXPos, int32_t aYPos,
-                            CallerType aCallerType, ErrorResult& aError)
-{
-  MOZ_RELEASE_ASSERT(IsOuterWindow());
-  /*
-   * If caller is not chrome and the user has not explicitly exempted the site,
-   * prevent window.moveTo() by exiting early
-   */
-
-  if (!CanMoveResizeWindows(aCallerType) || IsFrame()) {
-    return;
-  }
-
-  nsCOMPtr<nsIBaseWindow> treeOwnerAsWin = GetTreeOwnerWindow();
-  if (!treeOwnerAsWin) {
-    aError.Throw(NS_ERROR_FAILURE);
-    return;
-  }
-
-  nsCOMPtr<nsIScreenManager> screenMgr =
-    do_GetService("@mozilla.org/gfx/screenmanager;1");
-  nsCOMPtr<nsIScreen> screen;
-  if (screenMgr) {
-    CSSIntSize size;
-    GetInnerSize(size);
-    screenMgr->ScreenForRect(aXPos, aYPos, size.width, size.height,
-                             getter_AddRefs(screen));
-  }
-
-  if (screen) {
-    // On secondary displays, the "CSS px" coordinates are offset so that they
-    // share their origin with global desktop pixels, to avoid ambiguities in
-    // the coordinate space when there are displays with different DPIs.
-    // (See the corresponding code in GetScreenXY() above.)
-    int32_t screenLeftDeskPx, screenTopDeskPx, w, h;
-    screen->GetRectDisplayPix(&screenLeftDeskPx, &screenTopDeskPx, &w, &h);
-    CSSIntPoint cssPos(aXPos - screenLeftDeskPx, aYPos - screenTopDeskPx);
-    CheckSecurityLeftAndTop(&cssPos.x, &cssPos.y, aCallerType);
-
-    double scale;
-    screen->GetDefaultCSSScaleFactor(&scale);
-    LayoutDevicePoint devPos = cssPos * CSSToLayoutDeviceScale(scale);
-
-    screen->GetContentsScaleFactor(&scale);
-    DesktopPoint deskPos = devPos / DesktopToLayoutDeviceScale(scale);
-    aError = treeOwnerAsWin->SetPositionDesktopPix(screenLeftDeskPx + deskPos.x,
-                                                   screenTopDeskPx + deskPos.y);
-  } else {
-    // We couldn't find a screen? Just assume a 1:1 mapping.
-    CSSIntPoint cssPos(aXPos, aXPos);
-    CheckSecurityLeftAndTop(&cssPos.x, &cssPos.y, aCallerType);
-    LayoutDevicePoint devPos = cssPos * CSSToLayoutDeviceScale(1.0);
-    aError = treeOwnerAsWin->SetPosition(devPos.x, devPos.y);
-  }
-
-  CheckForDPIChange();
-}
-
-void
-nsGlobalWindow::MoveTo(int32_t aXPos, int32_t aYPos,
-                       CallerType aCallerType, ErrorResult& aError)
-{
-  FORWARD_TO_OUTER_OR_THROW(MoveToOuter,
-                            (aXPos, aYPos, aCallerType, aError), aError, );
-}
-
-void
-nsGlobalWindow::MoveByOuter(int32_t aXDif, int32_t aYDif,
-                            CallerType aCallerType, ErrorResult& aError)
-{
-  MOZ_RELEASE_ASSERT(IsOuterWindow());
-
-  /*
-   * If caller is not chrome and the user has not explicitly exempted the site,
-   * prevent window.moveBy() by exiting early
-   */
-
-  if (!CanMoveResizeWindows(aCallerType) || IsFrame()) {
-    return;
-  }
-
-  nsCOMPtr<nsIBaseWindow> treeOwnerAsWin = GetTreeOwnerWindow();
-  if (!treeOwnerAsWin) {
-    aError.Throw(NS_ERROR_FAILURE);
-    return;
-  }
-
-  // To do this correctly we have to convert what we get from GetPosition
-  // into CSS pixels, add the arguments, do the security check, and
-  // then convert back to device pixels for the call to SetPosition.
-
-  int32_t x, y;
-  aError = treeOwnerAsWin->GetPosition(&x, &y);
-  if (aError.Failed()) {
-    return;
-  }
-
-  // mild abuse of a "size" object so we don't need more helper functions
-  nsIntSize cssPos(DevToCSSIntPixels(nsIntSize(x, y)));
-
-  cssPos.width += aXDif;
-  cssPos.height += aYDif;
-
-  CheckSecurityLeftAndTop(&cssPos.width, &cssPos.height, aCallerType);
-
-  nsIntSize newDevPos(CSSToDevIntPixels(cssPos));
-
-  aError = treeOwnerAsWin->SetPosition(newDevPos.width, newDevPos.height);
-
-  CheckForDPIChange();
-}
-
-void
-nsGlobalWindow::MoveBy(int32_t aXDif, int32_t aYDif,
-                       CallerType aCallerType, ErrorResult& aError)
-{
-  FORWARD_TO_OUTER_OR_THROW(MoveByOuter,
-                            (aXDif, aYDif, aCallerType, aError), aError, );
-}
-
-nsresult
-nsGlobalWindow::MoveBy(int32_t aXDif, int32_t aYDif)
-{
-  FORWARD_TO_OUTER(MoveBy, (aXDif, aYDif), NS_ERROR_UNEXPECTED);
-
-  ErrorResult rv;
-  MoveByOuter(aXDif, aYDif, CallerType::System, rv);
-
-  return rv.StealNSResult();
-}
-
-void
-nsGlobalWindow::ResizeToOuter(int32_t aWidth, int32_t aHeight,
-                              CallerType aCallerType,
-                              ErrorResult& aError)
-{
-  MOZ_RELEASE_ASSERT(IsOuterWindow());
-
-  /*
-   * If caller is a browser-element then dispatch a resize event to
-   * the embedder.
-   */
-  if (mDocShell && mDocShell->GetIsMozBrowser()) {
-    CSSIntSize size(aWidth, aHeight);
-    if (!DispatchResizeEvent(size)) {
-      // The embedder chose to prevent the default action for this
-      // event, so let's not resize this window after all...
-      return;
-    }
-  }
-
-  /*
-   * If caller is not chrome and the user has not explicitly exempted the site,
-   * prevent window.resizeTo() by exiting early
-   */
-
-  if (!CanMoveResizeWindows(aCallerType) || IsFrame()) {
-    return;
-  }
-
-  nsCOMPtr<nsIBaseWindow> treeOwnerAsWin = GetTreeOwnerWindow();
-  if (!treeOwnerAsWin) {
-    aError.Throw(NS_ERROR_FAILURE);
-    return;
-  }
-
-  nsIntSize cssSize(aWidth, aHeight);
-  CheckSecurityWidthAndHeight(&cssSize.width, &cssSize.height, aCallerType);
-
-  nsIntSize devSz(CSSToDevIntPixels(cssSize));
-
-  aError = treeOwnerAsWin->SetSize(devSz.width, devSz.height, true);
-
-  CheckForDPIChange();
-}
-
-void
-nsGlobalWindow::ResizeTo(int32_t aWidth, int32_t aHeight,
-                         CallerType aCallerType, ErrorResult& aError)
-{
-  FORWARD_TO_OUTER_OR_THROW(ResizeToOuter,
-                            (aWidth, aHeight, aCallerType, aError), aError, );
-}
-
-void
-nsGlobalWindow::ResizeByOuter(int32_t aWidthDif, int32_t aHeightDif,
-                              CallerType aCallerType, ErrorResult& aError)
-{
-  MOZ_RELEASE_ASSERT(IsOuterWindow());
-
-  /*
-   * If caller is a browser-element then dispatch a resize event to
-   * parent.
-   */
-  if (mDocShell && mDocShell->GetIsMozBrowser()) {
-    CSSIntSize size;
-    if (NS_FAILED(GetInnerSize(size))) {
-      return;
-    }
-
-    size.width += aWidthDif;
-    size.height += aHeightDif;
-
-    if (!DispatchResizeEvent(size)) {
-      // The embedder chose to prevent the default action for this
-      // event, so let's not resize this window after all...
-      return;
-    }
-  }
-
-  /*
-   * If caller is not chrome and the user has not explicitly exempted the site,
-   * prevent window.resizeBy() by exiting early
-   */
-
-  if (!CanMoveResizeWindows(aCallerType) || IsFrame()) {
-    return;
-  }
-
-  nsCOMPtr<nsIBaseWindow> treeOwnerAsWin = GetTreeOwnerWindow();
-  if (!treeOwnerAsWin) {
-    aError.Throw(NS_ERROR_FAILURE);
-    return;
-  }
-
-  int32_t width, height;
-  aError = treeOwnerAsWin->GetSize(&width, &height);
-  if (aError.Failed()) {
-    return;
-  }
-
-  // To do this correctly we have to convert what we got from GetSize
-  // into CSS pixels, add the arguments, do the security check, and
-  // then convert back to device pixels for the call to SetSize.
-
-  nsIntSize cssSize(DevToCSSIntPixels(nsIntSize(width, height)));
-
-  cssSize.width += aWidthDif;
-  cssSize.height += aHeightDif;
-
-  CheckSecurityWidthAndHeight(&cssSize.width, &cssSize.height, aCallerType);
-
-  nsIntSize newDevSize(CSSToDevIntPixels(cssSize));
-
-  aError = treeOwnerAsWin->SetSize(newDevSize.width, newDevSize.height, true);
-
-  CheckForDPIChange();
-}
-
-void
-nsGlobalWindow::ResizeBy(int32_t aWidthDif, int32_t aHeightDif,
-                         CallerType aCallerType, ErrorResult& aError)
-{
-  FORWARD_TO_OUTER_OR_THROW(ResizeByOuter,
-                            (aWidthDif, aHeightDif, aCallerType, aError),
-                            aError, );
-}
-
-void
-nsGlobalWindow::SizeToContentOuter(CallerType aCallerType, ErrorResult& aError)
-{
-  MOZ_RELEASE_ASSERT(IsOuterWindow());
-
-  if (!mDocShell) {
-    return;
-  }
-
-  /*
-   * If caller is not chrome and the user has not explicitly exempted the site,
-   * prevent window.sizeToContent() by exiting early
-   */
-
-  if (!CanMoveResizeWindows(aCallerType) || IsFrame()) {
-    return;
-  }
-
-  // The content viewer does a check to make sure that it's a content
-  // viewer for a toplevel docshell.
-  nsCOMPtr<nsIContentViewer> cv;
-  mDocShell->GetContentViewer(getter_AddRefs(cv));
-  if (!cv) {
-    aError.Throw(NS_ERROR_FAILURE);
-    return;
-  }
-
-  int32_t width, height;
-  aError = cv->GetContentSize(&width, &height);
-  if (aError.Failed()) {
-    return;
-  }
-
-  // Make sure the new size is following the CheckSecurityWidthAndHeight
-  // rules.
-  nsCOMPtr<nsIDocShellTreeOwner> treeOwner = GetTreeOwner();
-  if (!treeOwner) {
-    aError.Throw(NS_ERROR_FAILURE);
-    return;
-  }
-
-  nsIntSize cssSize(DevToCSSIntPixels(nsIntSize(width, height)));
-  CheckSecurityWidthAndHeight(&cssSize.width, &cssSize.height, aCallerType);
-
-  nsIntSize newDevSize(CSSToDevIntPixels(cssSize));
-
-  aError = treeOwner->SizeShellTo(mDocShell, newDevSize.width,
-                                  newDevSize.height);
-}
-
-void
-nsGlobalWindow::SizeToContent(CallerType aCallerType, ErrorResult& aError)
-{
-  FORWARD_TO_OUTER_OR_THROW(SizeToContentOuter, (aCallerType, aError),
-                            aError, );
-}
-
-already_AddRefed<nsPIWindowRoot>
-nsGlobalWindow::GetTopWindowRoot()
-{
-  nsPIDOMWindowOuter* piWin = GetPrivateRoot();
-  if (!piWin) {
-    return nullptr;
-  }
-
-  nsCOMPtr<nsPIWindowRoot> window = do_QueryInterface(piWin->GetChromeEventHandler());
-  return window.forget();
-}
-
-void
-nsGlobalWindow::Scroll(double aXScroll, double aYScroll)
-{
-  // Convert -Inf, Inf, and NaN to 0; otherwise, convert by C-style cast.
-  auto scrollPos = CSSIntPoint::Truncate(mozilla::ToZeroIfNonfinite(aXScroll),
-                                         mozilla::ToZeroIfNonfinite(aYScroll));
-  ScrollTo(scrollPos, ScrollOptions());
-}
-
-void
-nsGlobalWindow::ScrollTo(double aXScroll, double aYScroll)
-{
-  // Convert -Inf, Inf, and NaN to 0; otherwise, convert by C-style cast.
-  auto scrollPos = CSSIntPoint::Truncate(mozilla::ToZeroIfNonfinite(aXScroll),
-                                         mozilla::ToZeroIfNonfinite(aYScroll));
-  ScrollTo(scrollPos, ScrollOptions());
-}
-
-void
-nsGlobalWindow::ScrollTo(const ScrollToOptions& aOptions)
-{
-  // When scrolling to a non-zero offset, we need to determine whether that
-  // position is within our scrollable range, so we need updated layout
-  // information which requires a layout flush, otherwise all we need is to
-  // flush frames to be able to access our scrollable frame here.
-  FlushType flushType = ((aOptions.mLeft.WasPassed() &&
-                          aOptions.mLeft.Value() > 0) ||
-                         (aOptions.mTop.WasPassed() &&
-                          aOptions.mTop.Value() > 0)) ?
-                          FlushType::Layout :
-                          FlushType::Frames;
-  FlushPendingNotifications(flushType);
-  nsIScrollableFrame *sf = GetScrollFrame();
-
-  if (sf) {
-    CSSIntPoint scrollPos = sf->GetScrollPositionCSSPixels();
-    if (aOptions.mLeft.WasPassed()) {
-      scrollPos.x = mozilla::ToZeroIfNonfinite(aOptions.mLeft.Value());
-    }
-    if (aOptions.mTop.WasPassed()) {
-      scrollPos.y = mozilla::ToZeroIfNonfinite(aOptions.mTop.Value());
-    }
-
-    ScrollTo(scrollPos, aOptions);
-  }
-}
-
-void
-nsGlobalWindow::Scroll(const ScrollToOptions& aOptions)
-{
-  ScrollTo(aOptions);
-}
-
-void
-nsGlobalWindow::ScrollTo(const CSSIntPoint& aScroll,
-                         const ScrollOptions& aOptions)
-{
-  // When scrolling to a non-zero offset, we need to determine whether that
-  // position is within our scrollable range, so we need updated layout
-  // information which requires a layout flush, otherwise all we need is to
-  // flush frames to be able to access our scrollable frame here.
-  FlushType flushType = (aScroll.x || aScroll.y) ?
-                          FlushType::Layout :
-                          FlushType::Frames;
-  FlushPendingNotifications(flushType);
-  nsIScrollableFrame *sf = GetScrollFrame();
-
-  if (sf) {
-    // Here we calculate what the max pixel value is that we can
-    // scroll to, we do this by dividing maxint with the pixel to
-    // twips conversion factor, and subtracting 4, the 4 comes from
-    // experimenting with this value, anything less makes the view
-    // code not scroll correctly, I have no idea why. -- jst
-    const int32_t maxpx = nsPresContext::AppUnitsToIntCSSPixels(0x7fffffff) - 4;
-
-    CSSIntPoint scroll(aScroll);
-    if (scroll.x > maxpx) {
-      scroll.x = maxpx;
-    }
-
-    if (scroll.y > maxpx) {
-      scroll.y = maxpx;
-    }
-
-    bool smoothScroll = sf->GetScrollbarStyles().IsSmoothScroll(aOptions.mBehavior);
-
-    sf->ScrollToCSSPixels(scroll, smoothScroll
-                            ? nsIScrollableFrame::SMOOTH_MSD
-                            : nsIScrollableFrame::INSTANT);
-  }
-}
-
-void
-nsGlobalWindow::ScrollBy(double aXScrollDif, double aYScrollDif)
-{
-  FlushPendingNotifications(FlushType::Layout);
-  nsIScrollableFrame *sf = GetScrollFrame();
-
-  if (sf) {
-    // Convert -Inf, Inf, and NaN to 0; otherwise, convert by C-style cast.
-    auto scrollDif = CSSIntPoint::Truncate(mozilla::ToZeroIfNonfinite(aXScrollDif),
-                                           mozilla::ToZeroIfNonfinite(aYScrollDif));
-    // It seems like it would make more sense for ScrollBy to use
-    // SMOOTH mode, but tests seem to depend on the synchronous behaviour.
-    // Perhaps Web content does too.
-    ScrollTo(sf->GetScrollPositionCSSPixels() + scrollDif, ScrollOptions());
-  }
-}
-
-void
-nsGlobalWindow::ScrollBy(const ScrollToOptions& aOptions)
-{
-  FlushPendingNotifications(FlushType::Layout);
-  nsIScrollableFrame *sf = GetScrollFrame();
-
-  if (sf) {
-    CSSIntPoint scrollPos = sf->GetScrollPositionCSSPixels();
-    if (aOptions.mLeft.WasPassed()) {
-      scrollPos.x += mozilla::ToZeroIfNonfinite(aOptions.mLeft.Value());
-    }
-    if (aOptions.mTop.WasPassed()) {
-      scrollPos.y += mozilla::ToZeroIfNonfinite(aOptions.mTop.Value());
-    }
-
-    ScrollTo(scrollPos, aOptions);
-  }
-}
-
-void
-nsGlobalWindow::ScrollByLines(int32_t numLines,
-                              const ScrollOptions& aOptions)
-{
-  MOZ_ASSERT(IsInnerWindow());
-
-  FlushPendingNotifications(FlushType::Layout);
-  nsIScrollableFrame *sf = GetScrollFrame();
-  if (sf) {
-    // It seems like it would make more sense for ScrollByLines to use
-    // SMOOTH mode, but tests seem to depend on the synchronous behaviour.
-    // Perhaps Web content does too.
-    bool smoothScroll = sf->GetScrollbarStyles().IsSmoothScroll(aOptions.mBehavior);
-
-    sf->ScrollBy(nsIntPoint(0, numLines), nsIScrollableFrame::LINES,
-                 smoothScroll
-                   ? nsIScrollableFrame::SMOOTH_MSD
-                   : nsIScrollableFrame::INSTANT);
-  }
-}
-
-void
-nsGlobalWindow::ScrollByPages(int32_t numPages,
-                              const ScrollOptions& aOptions)
-{
-  MOZ_ASSERT(IsInnerWindow());
-
-  FlushPendingNotifications(FlushType::Layout);
-  nsIScrollableFrame *sf = GetScrollFrame();
-  if (sf) {
-    // It seems like it would make more sense for ScrollByPages to use
-    // SMOOTH mode, but tests seem to depend on the synchronous behaviour.
-    // Perhaps Web content does too.
-    bool smoothScroll = sf->GetScrollbarStyles().IsSmoothScroll(aOptions.mBehavior);
-
-    sf->ScrollBy(nsIntPoint(0, numPages), nsIScrollableFrame::PAGES,
-                 smoothScroll
-                   ? nsIScrollableFrame::SMOOTH_MSD
-                   : nsIScrollableFrame::INSTANT);
-  }
-}
-
-void
-nsGlobalWindow::MozScrollSnap()
-{
-  MOZ_ASSERT(IsInnerWindow());
-
-  FlushPendingNotifications(FlushType::Layout);
-  nsIScrollableFrame *sf = GetScrollFrame();
-  if (sf) {
-    sf->ScrollSnap();
-  }
-}
-
-void
-nsGlobalWindow::ClearTimeout(int32_t aHandle)
-{
-  MOZ_RELEASE_ASSERT(IsInnerWindow());
-
-  if (aHandle > 0) {
-    mTimeoutManager->ClearTimeout(aHandle, Timeout::Reason::eTimeoutOrInterval);
-  }
-}
-
-void
-nsGlobalWindow::ClearInterval(int32_t aHandle)
-{
-  MOZ_RELEASE_ASSERT(IsInnerWindow());
-
-  if (aHandle > 0) {
-    mTimeoutManager->ClearTimeout(aHandle, Timeout::Reason::eTimeoutOrInterval);
-  }
-}
-
-void
-nsGlobalWindow::SetResizable(bool aResizable) const
-{
-  // nop
-}
-
-void
-nsGlobalWindow::CaptureEvents()
-{
-  if (mDoc) {
-    mDoc->WarnOnceAbout(nsIDocument::eUseOfCaptureEvents);
-  }
-}
-
-void
-nsGlobalWindow::ReleaseEvents()
-{
-  if (mDoc) {
-    mDoc->WarnOnceAbout(nsIDocument::eUseOfReleaseEvents);
-  }
-}
-
-static
-bool IsPopupBlocked(nsIDocument* aDoc)
-{
-  nsCOMPtr<nsIPopupWindowManager> pm =
-    do_GetService(NS_POPUPWINDOWMANAGER_CONTRACTID);
-
-  if (!pm) {
-    return false;
-  }
-
-  if (!aDoc) {
-    return true;
-  }
-
-  uint32_t permission = nsIPopupWindowManager::ALLOW_POPUP;
-  pm->TestPermission(aDoc->NodePrincipal(), &permission);
-  return permission == nsIPopupWindowManager::DENY_POPUP;
-}
-
-void
-nsGlobalWindow::FirePopupBlockedEvent(nsIDocument* aDoc,
-                                      nsIURI* aPopupURI,
-                                      const nsAString& aPopupWindowName,
-                                      const nsAString& aPopupWindowFeatures)
-{
-  MOZ_ASSERT(IsOuterWindow(), "All callers seem to assume we're an outer window?");
-  MOZ_ASSERT(aDoc);
-
-  // Fire a "DOMPopupBlocked" event so that the UI can hear about
-  // blocked popups.
-  PopupBlockedEventInit init;
-  init.mBubbles = true;
-  init.mCancelable = true;
-  // XXX: This is a different object, but webidl requires an inner window here
-  // now.
-  init.mRequestingWindow = GetCurrentInnerWindowInternal();
-  init.mPopupWindowURI = aPopupURI;
-  init.mPopupWindowName = aPopupWindowName;
-  init.mPopupWindowFeatures = aPopupWindowFeatures;
-
-  RefPtr<PopupBlockedEvent> event =
-    PopupBlockedEvent::Constructor(aDoc,
-                                   NS_LITERAL_STRING("DOMPopupBlocked"),
-                                   init);
-
-  event->SetTrusted(true);
-
-  bool defaultActionEnabled;
-  aDoc->DispatchEvent(event, &defaultActionEnabled);
-}
-
-// static
-bool
-nsGlobalWindow::CanSetProperty(const char *aPrefName)
-{
-  // Chrome can set any property.
-  if (nsContentUtils::LegacyIsCallerChromeOrNativeCode()) {
-    return true;
-  }
-
-  // If the pref is set to true, we can not set the property
-  // and vice versa.
-  return !Preferences::GetBool(aPrefName, true);
-}
-
-bool
-nsGlobalWindow::PopupWhitelisted()
-{
-  if (!IsPopupBlocked(mDoc))
-    return true;
-
-  nsCOMPtr<nsPIDOMWindowOuter> parent = GetParent();
-  if (parent == AsOuter())
-  {
-    return false;
-  }
-
-  return nsGlobalWindowOuter::Cast(parent)->PopupWhitelisted();
-}
-
-/*
- * Examine the current document state to see if we're in a way that is
- * typically abused by web designers. The window.open code uses this
- * routine to determine whether to allow the new window.
- * Returns a value from the PopupControlState enum.
- */
-PopupControlState
-nsGlobalWindow::RevisePopupAbuseLevel(PopupControlState aControl)
-{
-  MOZ_ASSERT(IsOuterWindow());
-
-  NS_ASSERTION(mDocShell, "Must have docshell");
-
-  if (mDocShell->ItemType() != nsIDocShellTreeItem::typeContent) {
-    return openAllowed;
-  }
-
-  PopupControlState abuse = aControl;
-  switch (abuse) {
-  case openControlled:
-  case openBlocked:
-  case openOverridden:
-    if (PopupWhitelisted())
-      abuse = PopupControlState(abuse - 1);
-    break;
-  case openAbused:
-    if (PopupWhitelisted())
-      //Skip openBlocked
-      abuse = openControlled;
-    break;
-  case openAllowed: break;
-  default:
-    NS_WARNING("Strange PopupControlState!");
-  }
-
-  // limit the number of simultaneously open popups
-  if (abuse == openAbused ||
-      abuse == openBlocked ||
-      abuse == openControlled) {
-    int32_t popupMax = Preferences::GetInt("dom.popup_maximum", -1);
-    if (popupMax >= 0 && gOpenPopupSpamCount >= popupMax)
-      abuse = openOverridden;
-  }
-
-  return abuse;
-}
-
-/* If a window open is blocked, fire the appropriate DOM events. */
-void
-nsGlobalWindow::FireAbuseEvents(const nsAString &aPopupURL,
-                                const nsAString &aPopupWindowName,
-                                const nsAString &aPopupWindowFeatures)
-{
-  MOZ_ASSERT(IsOuterWindow());
-  // fetch the URI of the window requesting the opened window
-
-  nsCOMPtr<nsPIDOMWindowOuter> window = GetTop();
-  if (!window) {
-    return;
-  }
-
-  nsCOMPtr<nsIDocument> topDoc = window->GetDoc();
-  nsCOMPtr<nsIURI> popupURI;
-
-  // build the URI of the would-have-been popup window
-  // (see nsWindowWatcher::URIfromURL)
-
-  // first, fetch the opener's base URI
-
-  nsIURI *baseURL = nullptr;
-
-  nsCOMPtr<nsIDocument> doc = GetEntryDocument();
-  if (doc)
-    baseURL = doc->GetDocBaseURI();
-
-  // use the base URI to build what would have been the popup's URI
-  nsCOMPtr<nsIIOService> ios(do_GetService(NS_IOSERVICE_CONTRACTID));
-  if (ios)
-    ios->NewURI(NS_ConvertUTF16toUTF8(aPopupURL), nullptr, baseURL,
-                getter_AddRefs(popupURI));
-
-  // fire an event chock full of informative URIs
-  FirePopupBlockedEvent(topDoc, popupURI, aPopupWindowName,
-                        aPopupWindowFeatures);
-}
-
-already_AddRefed<nsPIDOMWindowOuter>
-nsGlobalWindow::OpenOuter(const nsAString& aUrl, const nsAString& aName,
-                          const nsAString& aOptions, ErrorResult& aError)
-{
-  MOZ_RELEASE_ASSERT(IsOuterWindow());
-  nsCOMPtr<nsPIDOMWindowOuter> window;
-  aError = OpenJS(aUrl, aName, aOptions, getter_AddRefs(window));
-  return window.forget();
-}
-
-
-already_AddRefed<nsPIDOMWindowOuter>
-nsGlobalWindow::Open(const nsAString& aUrl, const nsAString& aName,
-                     const nsAString& aOptions, ErrorResult& aError)
-{
-  FORWARD_TO_OUTER_OR_THROW(OpenOuter, (aUrl, aName, aOptions, aError), aError,
-                            nullptr);
-}
-
-nsresult
-nsGlobalWindow::Open(const nsAString& aUrl, const nsAString& aName,
-                     const nsAString& aOptions, nsIDocShellLoadInfo* aLoadInfo,
-                     bool aForceNoOpener, nsPIDOMWindowOuter **_retval)
-{
-  FORWARD_TO_OUTER(Open, (aUrl, aName, aOptions, aLoadInfo, aForceNoOpener,
-                          _retval),
-                   NS_ERROR_NOT_INITIALIZED);
-  return OpenInternal(aUrl, aName, aOptions,
-                      false,          // aDialog
-                      false,          // aContentModal
-                      true,           // aCalledNoScript
-                      false,          // aDoJSFixups
-                      true,           // aNavigate
-                      nullptr, nullptr,  // No args
-                      aLoadInfo,
-                      aForceNoOpener,
-                      _retval);
-}
-
-nsresult
-nsGlobalWindow::OpenJS(const nsAString& aUrl, const nsAString& aName,
-                       const nsAString& aOptions, nsPIDOMWindowOuter **_retval)
-{
-  MOZ_ASSERT(IsOuterWindow());
-  return OpenInternal(aUrl, aName, aOptions,
-                      false,          // aDialog
-                      false,          // aContentModal
-                      false,          // aCalledNoScript
-                      true,           // aDoJSFixups
-                      true,           // aNavigate
-                      nullptr, nullptr,  // No args
-                      nullptr,        // aLoadInfo
-                      false,          // aForceNoOpener
-                      _retval);
-}
-
-// like Open, but attaches to the new window any extra parameters past
-// [features] as a JS property named "arguments"
-nsresult
-nsGlobalWindow::OpenDialog(const nsAString& aUrl, const nsAString& aName,
-                           const nsAString& aOptions,
-                           nsISupports* aExtraArgument,
-                           nsPIDOMWindowOuter** _retval)
-{
-  MOZ_ASSERT(IsOuterWindow());
-  return OpenInternal(aUrl, aName, aOptions,
-                      true,                    // aDialog
-                      false,                   // aContentModal
-                      true,                    // aCalledNoScript
-                      false,                   // aDoJSFixups
-                      true,                    // aNavigate
-                      nullptr, aExtraArgument, // Arguments
-                      nullptr,                 // aLoadInfo
-                      false,                   // aForceNoOpener
-                      _retval);
-}
-
-// Like Open, but passes aNavigate=false.
-/* virtual */ nsresult
-nsGlobalWindow::OpenNoNavigate(const nsAString& aUrl,
-                               const nsAString& aName,
-                               const nsAString& aOptions,
-                               nsPIDOMWindowOuter **_retval)
-{
-  MOZ_ASSERT(IsOuterWindow());
-  return OpenInternal(aUrl, aName, aOptions,
-                      false,          // aDialog
-                      false,          // aContentModal
-                      true,           // aCalledNoScript
-                      false,          // aDoJSFixups
-                      false,          // aNavigate
-                      nullptr, nullptr,  // No args
-                      nullptr,        // aLoadInfo
-                      false,          // aForceNoOpener
-                      _retval);
-
-}
-
-already_AddRefed<nsPIDOMWindowOuter>
-nsGlobalWindow::OpenDialogOuter(JSContext* aCx, const nsAString& aUrl,
-                                const nsAString& aName, const nsAString& aOptions,
-                                const Sequence<JS::Value>& aExtraArgument,
-                                ErrorResult& aError)
-{
-  MOZ_RELEASE_ASSERT(IsOuterWindow());
-
-  nsCOMPtr<nsIJSArgArray> argvArray;
-  aError = NS_CreateJSArgv(aCx, aExtraArgument.Length(),
-                           aExtraArgument.Elements(),
-                           getter_AddRefs(argvArray));
-  if (aError.Failed()) {
-    return nullptr;
-  }
-
-  nsCOMPtr<nsPIDOMWindowOuter> dialog;
-  aError = OpenInternal(aUrl, aName, aOptions,
-                        true,             // aDialog
-                        false,            // aContentModal
-                        false,            // aCalledNoScript
-                        false,            // aDoJSFixups
-                        true,                // aNavigate
-                        argvArray, nullptr,  // Arguments
-                        nullptr,          // aLoadInfo
-                        false,            // aForceNoOpener
-                        getter_AddRefs(dialog));
-  return dialog.forget();
-}
-
-already_AddRefed<nsPIDOMWindowOuter>
-nsGlobalWindow::OpenDialog(JSContext* aCx, const nsAString& aUrl,
-                           const nsAString& aName, const nsAString& aOptions,
-                           const Sequence<JS::Value>& aExtraArgument,
-                           ErrorResult& aError)
-{
-  FORWARD_TO_OUTER_OR_THROW(OpenDialogOuter,
-                            (aCx, aUrl, aName, aOptions, aExtraArgument, aError),
-                            aError, nullptr);
-}
-
-already_AddRefed<nsPIDOMWindowOuter>
-nsGlobalWindow::GetFramesOuter()
-{
-  RefPtr<nsPIDOMWindowOuter> frames(AsOuter());
-  FlushPendingNotifications(FlushType::ContentAndNotify);
-  return frames.forget();
-}
-
-already_AddRefed<nsPIDOMWindowOuter>
-nsGlobalWindow::GetFrames(ErrorResult& aError)
-{
-  FORWARD_TO_OUTER_OR_THROW(GetFramesOuter, (), aError, nullptr);
-}
-
-nsGlobalWindowInner*
-nsGlobalWindow::CallerInnerWindow()
-{
-  JSContext *cx = nsContentUtils::GetCurrentJSContext();
-  NS_ENSURE_TRUE(cx, nullptr);
-  nsIGlobalObject* global = GetIncumbentGlobal();
-  NS_ENSURE_TRUE(global, nullptr);
-  JS::Rooted<JSObject*> scope(cx, global->GetGlobalJSObject());
-  NS_ENSURE_TRUE(scope, nullptr);
-
-  // When Jetpack runs content scripts inside a sandbox, it uses
-  // sandboxPrototype to make them appear as though they're running in the
-  // scope of the page. So when a content script invokes postMessage, it expects
-  // the |source| of the received message to be the window set as the
-  // sandboxPrototype. This used to work incidentally for unrelated reasons, but
-  // now we need to do some special handling to support it.
-  if (xpc::IsSandbox(scope)) {
-    JSAutoCompartment ac(cx, scope);
-    JS::Rooted<JSObject*> scopeProto(cx);
-    bool ok = JS_GetPrototype(cx, scope, &scopeProto);
-    NS_ENSURE_TRUE(ok, nullptr);
-    if (scopeProto && xpc::IsSandboxPrototypeProxy(scopeProto) &&
-        (scopeProto = js::CheckedUnwrap(scopeProto, /* stopAtWindowProxy = */ false)))
-    {
-      global = xpc::NativeGlobal(scopeProto);
-      NS_ENSURE_TRUE(global, nullptr);
-    }
-  }
-
-  // The calling window must be holding a reference, so we can return a weak
-  // pointer.
-  nsCOMPtr<nsPIDOMWindowInner> win = do_QueryInterface(global);
-  return nsGlobalWindowInner::Cast(win);
-}
-
-void
-nsGlobalWindow::PostMessageMozOuter(JSContext* aCx, JS::Handle<JS::Value> aMessage,
-                                    const nsAString& aTargetOrigin,
-                                    JS::Handle<JS::Value> aTransfer,
-                                    nsIPrincipal& aSubjectPrincipal,
-                                    ErrorResult& aError)
-{
-  MOZ_RELEASE_ASSERT(IsOuterWindow());
-
-  //
-  // Window.postMessage is an intentional subversion of the same-origin policy.
-  // As such, this code must be particularly careful in the information it
-  // exposes to calling code.
-  //
-  // http://www.whatwg.org/specs/web-apps/current-work/multipage/section-crossDocumentMessages.html
-  //
-
-  // First, get the caller's window
-  RefPtr<nsGlobalWindowInner> callerInnerWin = CallerInnerWindow();
-  nsIPrincipal* callerPrin;
-  if (callerInnerWin) {
-    MOZ_ASSERT(callerInnerWin->IsInnerWindow(),
-               "should have gotten an inner window here");
-
-    // Compute the caller's origin either from its principal or, in the case the
-    // principal doesn't carry a URI (e.g. the system principal), the caller's
-    // document.  We must get this now instead of when the event is created and
-    // dispatched, because ultimately it is the identity of the calling window
-    // *now* that determines who sent the message (and not an identity which might
-    // have changed due to intervening navigations).
-    callerPrin = callerInnerWin->GetPrincipal();
-  }
-  else {
-    // In case the global is not a window, it can be a sandbox, and the sandbox's
-    // principal can be used for the security check.
-    nsIGlobalObject* global = GetIncumbentGlobal();
-    NS_ASSERTION(global, "Why is there no global object?");
-    callerPrin = global->PrincipalOrNull();
-  }
-  if (!callerPrin) {
-    return;
-  }
-
-  nsCOMPtr<nsIURI> callerOuterURI;
-  if (NS_FAILED(callerPrin->GetURI(getter_AddRefs(callerOuterURI)))) {
-    return;
-  }
-
-  nsAutoString origin;
-  if (callerOuterURI) {
-    // if the principal has a URI, use that to generate the origin
-    nsContentUtils::GetUTFOrigin(callerPrin, origin);
-  }
-  else if (callerInnerWin) {
-    // otherwise use the URI of the document to generate origin
-    nsCOMPtr<nsIDocument> doc = callerInnerWin->GetExtantDoc();
-    if (!doc) {
-      return;
-    }
-    callerOuterURI = doc->GetDocumentURI();
-    // if the principal has a URI, use that to generate the origin
-    nsContentUtils::GetUTFOrigin(callerOuterURI, origin);
-  }
-  else {
-    // in case of a sandbox with a system principal origin can be empty
-    if (!nsContentUtils::IsSystemPrincipal(callerPrin)) {
-      return;
-    }
-  }
-
-  // Convert the provided origin string into a URI for comparison purposes.
-  nsCOMPtr<nsIPrincipal> providedPrincipal;
-
-  if (aTargetOrigin.EqualsASCII("/")) {
-    providedPrincipal = callerPrin;
-  }
-  // "*" indicates no specific origin is required.
-  else if (!aTargetOrigin.EqualsASCII("*")) {
-    nsCOMPtr<nsIURI> originURI;
-    if (NS_FAILED(NS_NewURI(getter_AddRefs(originURI), aTargetOrigin))) {
-      aError.Throw(NS_ERROR_DOM_SYNTAX_ERR);
-      return;
-    }
-
-    if (NS_FAILED(originURI->SetUserPass(EmptyCString())) ||
-        NS_FAILED(originURI->SetPathQueryRef(EmptyCString()))) {
-      return;
-    }
-
-    OriginAttributes attrs = aSubjectPrincipal.OriginAttributesRef();
-    if (aSubjectPrincipal.GetIsSystemPrincipal()) {
-      auto principal = BasePrincipal::Cast(GetPrincipal());
-
-      if (attrs != principal->OriginAttributesRef()) {
-        nsCOMPtr<nsIURI> targetURI;
-        nsAutoCString targetURL;
-        nsAutoCString sourceOrigin;
-        nsAutoCString targetOrigin;
-
-        if (NS_FAILED(principal->GetURI(getter_AddRefs(targetURI))) ||
-            NS_FAILED(targetURI->GetAsciiSpec(targetURL)) ||
-            NS_FAILED(principal->GetOrigin(targetOrigin)) ||
-            NS_FAILED(aSubjectPrincipal.GetOrigin(sourceOrigin))) {
-          NS_WARNING("Failed to get source and target origins");
-          return;
-        }
-
-        nsContentUtils::LogSimpleConsoleError(
-          NS_ConvertUTF8toUTF16(nsPrintfCString(
-            R"(Attempting to post a message to window with url "%s" and )"
-            R"(origin "%s" from a system principal scope with mismatched )"
-            R"(origin "%s".)",
-            targetURL.get(), targetOrigin.get(), sourceOrigin.get())),
-          "DOM");
-
-        attrs = principal->OriginAttributesRef();
-      }
-    }
-
-    // Create a nsIPrincipal inheriting the app/browser attributes from the
-    // caller.
-    providedPrincipal = BasePrincipal::CreateCodebasePrincipal(originURI, attrs);
-    if (NS_WARN_IF(!providedPrincipal)) {
-      return;
-    }
-  }
-
-  // Create and asynchronously dispatch a runnable which will handle actual DOM
-  // event creation and dispatch.
-  RefPtr<PostMessageEvent> event =
-    new PostMessageEvent(nsContentUtils::IsCallerChrome() || !callerInnerWin
-                         ? nullptr
-                         : callerInnerWin->GetOuterWindowInternal(),
-                         origin,
-                         AssertOuter(),
-                         providedPrincipal,
-                         callerInnerWin
-                         ? callerInnerWin->GetDoc()
-                         : nullptr,
-                         nsContentUtils::IsCallerChrome());
-
-  JS::Rooted<JS::Value> message(aCx, aMessage);
-  JS::Rooted<JS::Value> transfer(aCx, aTransfer);
-
-  event->Write(aCx, message, transfer, JS::CloneDataPolicy(), aError);
-  if (NS_WARN_IF(aError.Failed())) {
-    return;
-  }
-
-  aError = Dispatch(TaskCategory::Other, event.forget());
-}
-
-void
-nsGlobalWindow::PostMessageMoz(JSContext* aCx, JS::Handle<JS::Value> aMessage,
-                               const nsAString& aTargetOrigin,
-                               JS::Handle<JS::Value> aTransfer,
-                               nsIPrincipal& aSubjectPrincipal,
-                               ErrorResult& aError)
-{
-  FORWARD_TO_OUTER_OR_THROW(PostMessageMozOuter,
-                            (aCx, aMessage, aTargetOrigin, aTransfer,
-                             aSubjectPrincipal, aError),
-                            aError, );
-}
-
-void
-nsGlobalWindow::PostMessageMoz(JSContext* aCx, JS::Handle<JS::Value> aMessage,
-                               const nsAString& aTargetOrigin,
-                               const Sequence<JSObject*>& aTransfer,
-                               nsIPrincipal& aSubjectPrincipal,
-                               ErrorResult& aRv)
-{
-  JS::Rooted<JS::Value> transferArray(aCx, JS::UndefinedValue());
-
-  aRv = nsContentUtils::CreateJSValueFromSequenceOfObject(aCx, aTransfer,
-                                                          &transferArray);
-  if (NS_WARN_IF(aRv.Failed())) {
-    return;
-  }
-
-  PostMessageMoz(aCx, aMessage, aTargetOrigin, transferArray,
-                 aSubjectPrincipal, aRv);
-}
-
-class nsCloseEvent : public Runnable {
-
-  RefPtr<nsGlobalWindowOuter> mWindow;
-  bool mIndirect;
-
-  nsCloseEvent(nsGlobalWindowOuter* aWindow, bool aIndirect)
-    : mozilla::Runnable("nsCloseEvent")
-    , mWindow(aWindow)
-    , mIndirect(aIndirect)
-  {}
-
-public:
-
-  static nsresult
-  PostCloseEvent(nsGlobalWindowOuter* aWindow, bool aIndirect) {
-    nsCOMPtr<nsIRunnable> ev = new nsCloseEvent(aWindow, aIndirect);
-    nsresult rv =
-      aWindow->Dispatch(TaskCategory::Other, ev.forget());
-    if (NS_SUCCEEDED(rv))
-      aWindow->MaybeForgiveSpamCount();
-    return rv;
-  }
-
-  NS_IMETHOD Run() override {
-    if (mWindow) {
-      if (mIndirect) {
-        return PostCloseEvent(mWindow, false);
-      }
-      mWindow->ReallyCloseWindow();
-    }
-    return NS_OK;
-  }
-
-};
-
-bool
-nsGlobalWindow::CanClose()
-{
-  MOZ_ASSERT(IsOuterWindow());
-
-  if (mIsChrome) {
-    nsCOMPtr<nsIBrowserDOMWindow> bwin;
-    GetBrowserDOMWindow(getter_AddRefs(bwin));
-
-    bool canClose = true;
-    if (bwin && NS_SUCCEEDED(bwin->CanClose(&canClose))) {
-      return canClose;
-    }
-  }
-
-  if (!mDocShell) {
-    return true;
-  }
-
-  // Ask the content viewer whether the toplevel window can close.
-  // If the content viewer returns false, it is responsible for calling
-  // Close() as soon as it is possible for the window to close.
-  // This allows us to not close the window while printing is happening.
-
-  nsCOMPtr<nsIContentViewer> cv;
-  mDocShell->GetContentViewer(getter_AddRefs(cv));
-  if (cv) {
-    bool canClose;
-    nsresult rv = cv->PermitUnload(&canClose);
-    if (NS_SUCCEEDED(rv) && !canClose)
-      return false;
-
-    rv = cv->RequestWindowClose(&canClose);
-    if (NS_SUCCEEDED(rv) && !canClose)
-      return false;
-  }
-
-  return true;
-}
-
-void
-nsGlobalWindow::CloseOuter(bool aTrustedCaller)
-{
-  MOZ_RELEASE_ASSERT(IsOuterWindow());
-
-  if (!mDocShell || IsInModalState() ||
-      (IsFrame() && !mDocShell->GetIsMozBrowser())) {
-    // window.close() is called on a frame in a frameset, on a window
-    // that's already closed, or on a window for which there's
-    // currently a modal dialog open. Ignore such calls.
-    return;
-  }
-
-  if (mHavePendingClose) {
-    // We're going to be closed anyway; do nothing since we don't want
-    // to double-close
-    return;
-  }
-
-  if (mBlockScriptedClosingFlag)
-  {
-    // A script's popup has been blocked and we don't want
-    // the window to be closed directly after this event,
-    // so the user can see that there was a blocked popup.
-    return;
-  }
-
-  // Don't allow scripts from content to close non-neterror windows that
-  // were not opened by script.
-  nsAutoString url;
-  nsresult rv = mDoc->GetURL(url);
-  NS_ENSURE_SUCCESS_VOID(rv);
-
-  if (!StringBeginsWith(url, NS_LITERAL_STRING("about:neterror")) &&
-      !mHadOriginalOpener && !aTrustedCaller) {
-    bool allowClose = mAllowScriptsToClose ||
-      Preferences::GetBool("dom.allow_scripts_to_close_windows", true);
-    if (!allowClose) {
-      // We're blocking the close operation
-      // report localized error msg in JS console
-      nsContentUtils::ReportToConsole(
-          nsIScriptError::warningFlag,
-          NS_LITERAL_CSTRING("DOM Window"), mDoc,  // Better name for the category?
-          nsContentUtils::eDOM_PROPERTIES,
-          "WindowCloseBlockedWarning");
-
-      return;
-    }
-  }
-
-  if (!mInClose && !mIsClosed && !CanClose()) {
-    return;
-  }
-
-  // Fire a DOM event notifying listeners that this window is about to
-  // be closed. The tab UI code may choose to cancel the default
-  // action for this event, if so, we won't actually close the window
-  // (since the tab UI code will close the tab in stead). Sure, this
-  // could be abused by content code, but do we care? I don't think
-  // so...
-
-  bool wasInClose = mInClose;
-  mInClose = true;
-
-  if (!DispatchCustomEvent(NS_LITERAL_STRING("DOMWindowClose"))) {
-    // Someone chose to prevent the default action for this event, if
-    // so, let's not close this window after all...
-
-    mInClose = wasInClose;
-    return;
-  }
-
-  FinalClose();
-}
-
-void
-nsGlobalWindow::Close(ErrorResult& aError)
-{
-  FORWARD_TO_OUTER_OR_THROW(CloseOuter, (nsContentUtils::IsCallerChrome()), aError, );
-}
-
-nsresult
-nsGlobalWindow::Close()
-{
-  FORWARD_TO_OUTER(Close, (), NS_ERROR_UNEXPECTED);
-  CloseOuter(/* aTrustedCaller = */ true);
-  return NS_OK;
-}
-
-void
-nsGlobalWindow::ForceClose()
-{
-  MOZ_ASSERT(IsOuterWindow());
-  MOZ_ASSERT(XRE_GetProcessType() == GeckoProcessType_Default);
-
-  if (IsFrame() || !mDocShell) {
-    // This may be a frame in a frameset, or a window that's already closed.
-    // Ignore such calls.
-    return;
-  }
-
-  if (mHavePendingClose) {
-    // We're going to be closed anyway; do nothing since we don't want
-    // to double-close
-    return;
-  }
-
-  mInClose = true;
-
-  DispatchCustomEvent(NS_LITERAL_STRING("DOMWindowClose"));
-
-  FinalClose();
-}
-
-void
-nsGlobalWindow::FinalClose()
-{
-  MOZ_ASSERT(IsOuterWindow());
-
-  // Flag that we were closed.
-  mIsClosed = true;
-
-  // If we get here from CloseOuter then it means that the parent process is
-  // going to close our window for us. It's just important to set mIsClosed.
-  if (XRE_GetProcessType() == GeckoProcessType_Content) {
-    return;
-  }
-
-  // This stuff is non-sensical but incredibly fragile. The reasons for the
-  // behavior here don't make sense today and may not have ever made sense,
-  // but various bits of frontend code break when you change them. If you need
-  // to fix up this behavior, feel free to. It's a righteous task, but involves
-  // wrestling with various download manager tests, frontend code, and possible
-  // broken addons. The chrome tests in toolkit/mozapps/downloads are a good
-  // testing ground.
-  //
-  // In particular, if some inner of |win| is the entry global, we must
-  // complete _two_ round-trips to the event loop before the call to
-  // ReallyCloseWindow. This allows setTimeout handlers that are set after
-  // FinalClose() is called to run before the window is torn down.
-  nsCOMPtr<nsPIDOMWindowInner> entryWindow =
-    do_QueryInterface(GetEntryGlobal());
-  bool indirect =
-    entryWindow && entryWindow->GetOuterWindow() == this->AsOuter();
-  if (NS_FAILED(nsCloseEvent::PostCloseEvent(AssertOuter(), indirect))) {
-    ReallyCloseWindow();
-  } else {
-    mHavePendingClose = true;
-  }
-}
-
-
-void
-nsGlobalWindow::ReallyCloseWindow()
-{
-  FORWARD_TO_OUTER_VOID(ReallyCloseWindow, ());
-
-  // Make sure we never reenter this method.
-  mHavePendingClose = true;
-
-  nsCOMPtr<nsIBaseWindow> treeOwnerAsWin = GetTreeOwnerWindow();
-
-  // If there's no treeOwnerAsWin, this window must already be closed.
-
-  if (treeOwnerAsWin) {
-
-    // but if we're a browser window we could be in some nasty
-    // self-destroying cascade that we should mostly ignore
-
-    if (mDocShell) {
-      nsCOMPtr<nsIBrowserDOMWindow> bwin;
-      nsCOMPtr<nsIDocShellTreeItem> rootItem;
-      mDocShell->GetRootTreeItem(getter_AddRefs(rootItem));
-      nsCOMPtr<nsPIDOMWindowOuter> rootWin =
-       rootItem ? rootItem->GetWindow() : nullptr;
-      nsCOMPtr<nsIDOMChromeWindow> chromeWin(do_QueryInterface(rootWin));
-      if (chromeWin)
-        chromeWin->GetBrowserDOMWindow(getter_AddRefs(bwin));
-
-      if (rootWin) {
-        /* Normally we destroy the entire window, but not if
-           this DOM window belongs to a tabbed browser and doesn't
-           correspond to a tab. This allows a well-behaved tab
-           to destroy the container as it should but is a final measure
-           to prevent an errant tab from doing so when it shouldn't.
-           This works because we reach this code when we shouldn't only
-           in the particular circumstance that we belong to a tab
-           that has just been closed (and is therefore already missing
-           from the list of browsers) (and has an unload handler
-           that closes the window). */
-        // XXXbz now that we have mHavePendingClose, is this needed?
-        bool isTab;
-        if (rootWin == AsOuter() ||
-            !bwin ||
-            (NS_SUCCEEDED(bwin->IsTabContentWindow(GetOuterWindowInternal(),
-                                                   &isTab)) && isTab)) {
-          treeOwnerAsWin->Destroy();
-        }
-      }
-    }
-
-    CleanUp();
-  }
-}
-
-void
-nsGlobalWindow::EnterModalState()
-{
-  MOZ_ASSERT(IsOuterWindow(), "Modal state is maintained on outer windows");
-
-  // GetScriptableTop, not GetTop, so that EnterModalState works properly with
-  // <iframe mozbrowser>.
-  nsGlobalWindowOuter* topWin = GetScriptableTopInternal();
-
-  if (!topWin) {
-    NS_ERROR("Uh, EnterModalState() called w/o a reachable top window?");
-    return;
-  }
-
-  // If there is an active ESM in this window, clear it. Otherwise, this can
-  // cause a problem if a modal state is entered during a mouseup event.
-  EventStateManager* activeESM =
-    static_cast<EventStateManager*>(
-      EventStateManager::GetActiveEventStateManager());
-  if (activeESM && activeESM->GetPresContext()) {
-    nsIPresShell* activeShell = activeESM->GetPresContext()->GetPresShell();
-    if (activeShell && (
-        nsContentUtils::ContentIsCrossDocDescendantOf(activeShell->GetDocument(), mDoc) ||
-        nsContentUtils::ContentIsCrossDocDescendantOf(mDoc, activeShell->GetDocument()))) {
-      EventStateManager::ClearGlobalActiveContent(activeESM);
-
-      activeShell->SetCapturingContent(nullptr, 0);
-
-      if (activeShell) {
-        RefPtr<nsFrameSelection> frameSelection = activeShell->FrameSelection();
-        frameSelection->SetDragState(false);
-      }
-    }
-  }
-
-  // If there are any drag and drop operations in flight, try to end them.
-  nsCOMPtr<nsIDragService> ds =
-    do_GetService("@mozilla.org/widget/dragservice;1");
-  if (ds) {
-    ds->EndDragSession(true, 0);
-  }
-
-  // Clear the capturing content if it is under topDoc.
-  // Usually the activeESM check above does that, but there are cases when
-  // we don't have activeESM, or it is for different document.
-  nsIDocument* topDoc = topWin->GetExtantDoc();
-  nsIContent* capturingContent = nsIPresShell::GetCapturingContent();
-  if (capturingContent && topDoc &&
-      nsContentUtils::ContentIsCrossDocDescendantOf(capturingContent, topDoc)) {
-    nsIPresShell::SetCapturingContent(nullptr, 0);
-  }
-
-  if (topWin->mModalStateDepth == 0) {
-    NS_ASSERTION(!topWin->mSuspendedDoc, "Shouldn't have mSuspendedDoc here!");
-
-    topWin->mSuspendedDoc = topDoc;
-    if (topDoc) {
-      topDoc->SuppressEventHandling();
-    }
-
-    nsGlobalWindowInner* inner = topWin->GetCurrentInnerWindowInternal();
-    if (inner) {
-      topWin->GetCurrentInnerWindowInternal()->Suspend();
-    }
-  }
-  topWin->mModalStateDepth++;
-}
-
-void
-nsGlobalWindow::LeaveModalState()
-{
-  MOZ_ASSERT(IsOuterWindow(), "Modal state is maintained on outer windows");
-
-  nsGlobalWindowOuter* topWin = GetScriptableTopInternal();
-
-  if (!topWin) {
-    NS_ERROR("Uh, LeaveModalState() called w/o a reachable top window?");
-    return;
-  }
-
-  MOZ_ASSERT(topWin->mModalStateDepth != 0);
-  MOZ_ASSERT(IsSuspended());
-  MOZ_ASSERT(topWin->IsSuspended());
-  topWin->mModalStateDepth--;
-
-  nsGlobalWindowInner* inner = topWin->GetCurrentInnerWindowInternal();
-
-  if (topWin->mModalStateDepth == 0) {
-    if (inner) {
-      inner->Resume();
-    }
-
-    if (topWin->mSuspendedDoc) {
-      nsCOMPtr<nsIDocument> currentDoc = topWin->GetExtantDoc();
-      topWin->mSuspendedDoc->UnsuppressEventHandlingAndFireEvents(currentDoc == topWin->mSuspendedDoc);
-      topWin->mSuspendedDoc = nullptr;
-    }
-  }
-
-  // Remember the time of the last dialog quit.
-  if (inner) {
-    inner->mLastDialogQuitTime = TimeStamp::Now();
-  }
-
-  if (topWin->mModalStateDepth == 0) {
-    RefPtr<Event> event = NS_NewDOMEvent(inner, nullptr, nullptr);
-    event->InitEvent(NS_LITERAL_STRING("endmodalstate"), true, false);
-    event->SetTrusted(true);
-    event->WidgetEventPtr()->mFlags.mOnlyChromeDispatch = true;
-    bool dummy;
-    topWin->DispatchEvent(event, &dummy);
-  }
-}
-
-bool
-nsGlobalWindow::IsInModalState()
-{
-  nsGlobalWindowOuter *topWin = GetScriptableTopInternal();
-
-  if (!topWin) {
-    // IsInModalState() getting called w/o a reachable top window is a bit
-    // iffy, but valid enough not to make noise about it.  See bug 404828
-    return false;
-  }
-
-  return topWin->mModalStateDepth != 0;
-}
-
-// static
-void
-nsGlobalWindow::NotifyDOMWindowDestroyed(nsGlobalWindowInner* aWindow) {
-  nsCOMPtr<nsIObserverService> observerService =
-    services::GetObserverService();
-  if (observerService) {
-    observerService->
-      NotifyObservers(ToSupports(aWindow),
-                      DOM_WINDOW_DESTROYED_TOPIC, nullptr);
-  }
-}
-
-// Try to match compartments that are not web content by matching compartments
-// with principals that are either the system principal or an expanded principal.
-// This may not return true for all non-web-content compartments.
-struct BrowserCompartmentMatcher : public js::CompartmentFilter {
-  bool match(JSCompartment* aC) const override
-  {
-    nsCOMPtr<nsIPrincipal> pc = nsJSPrincipals::get(JS_GetCompartmentPrincipals(aC));
-    return nsContentUtils::IsSystemOrExpandedPrincipal(pc);
-  }
-};
-
-
-class WindowDestroyedEvent final : public Runnable
-{
-public:
-  WindowDestroyedEvent(nsGlobalWindowInner* aWindow, uint64_t aID, const char* aTopic)
-    : mozilla::Runnable("WindowDestroyedEvent")
-    , mID(aID)
-    , mPhase(Phase::Destroying)
-    , mTopic(aTopic)
-    , mIsInnerWindow(true)
-  {
-    mWindow = do_GetWeakReference(aWindow);
-  }
-  WindowDestroyedEvent(nsGlobalWindowOuter* aWindow, uint64_t aID, const char* aTopic)
-    : mozilla::Runnable("WindowDestroyedEvent")
-    , mID(aID)
-    , mPhase(Phase::Destroying)
-    , mTopic(aTopic)
-    , mIsInnerWindow(false)
-  {
-    mWindow = do_GetWeakReference(aWindow);
-  }
-
-  enum class Phase
-  {
-    Destroying,
-    Nuking
-  };
-
-  NS_IMETHOD Run() override
-  {
-    AUTO_PROFILER_LABEL("WindowDestroyedEvent::Run", OTHER);
-
-    nsCOMPtr<nsIObserverService> observerService =
-      services::GetObserverService();
-    if (!observerService) {
-      return NS_OK;
-    }
-
-    nsCOMPtr<nsISupportsPRUint64> wrapper =
-      do_CreateInstance(NS_SUPPORTS_PRUINT64_CONTRACTID);
-    if (wrapper) {
-      wrapper->SetData(mID);
-      observerService->NotifyObservers(wrapper, mTopic.get(), nullptr);
-    }
-
-    switch (mPhase) {
-      case Phase::Destroying:
-      {
-        bool skipNukeCrossCompartment = false;
-#ifndef DEBUG
-        nsCOMPtr<nsIAppStartup> appStartup =
-          do_GetService(NS_APPSTARTUP_CONTRACTID);
-
-        if (appStartup) {
-          appStartup->GetShuttingDown(&skipNukeCrossCompartment);
-        }
-#endif
-
-        if (!skipNukeCrossCompartment) {
-          // The compartment nuking phase might be too expensive, so do that
-          // part off of idle dispatch.
-
-          // For the compartment nuking phase, we dispatch either an
-          // inner-window-nuked or an outer-window-nuked notification.
-          // This will allow tests to wait for compartment nuking to happen.
-          if (mTopic.EqualsLiteral("inner-window-destroyed")) {
-            mTopic.AssignLiteral("inner-window-nuked");
-          } else if (mTopic.EqualsLiteral("outer-window-destroyed")) {
-            mTopic.AssignLiteral("outer-window-nuked");
-          }
-          mPhase = Phase::Nuking;
-
-          nsCOMPtr<nsIRunnable> copy(this);
-          NS_IdleDispatchToCurrentThread(copy.forget(), 1000);
-        }
-      }
-      break;
-
-      case Phase::Nuking:
-      {
-        nsCOMPtr<nsISupports> window = do_QueryReferent(mWindow);
-        if (window) {
-          nsGlobalWindowInner* currentInner;
-          if (mIsInnerWindow) {
-            currentInner = nsGlobalWindowInner::FromSupports(window);
-          } else {
-            nsGlobalWindowOuter* outer = nsGlobalWindowOuter::FromSupports(window);
-            currentInner = outer->GetCurrentInnerWindowInternal();
-          }
-          NS_ENSURE_TRUE(currentInner, NS_OK);
-
-          AutoSafeJSContext cx;
-          JS::Rooted<JSObject*> obj(cx, currentInner->FastGetGlobalJSObject());
-          if (obj && !js::IsSystemCompartment(js::GetObjectCompartment(obj))) {
-            JSCompartment* cpt = js::GetObjectCompartment(obj);
-            nsCOMPtr<nsIPrincipal> pc = nsJSPrincipals::get(JS_GetCompartmentPrincipals(cpt));
-
-            if (BasePrincipal::Cast(pc)->AddonPolicy()) {
-              // We want to nuke all references to the add-on compartment.
-              xpc::NukeAllWrappersForCompartment(cx, cpt,
-                                                 mIsInnerWindow ? js::DontNukeWindowReferences
-                                                                : js::NukeWindowReferences);
-            } else {
-              // We only want to nuke wrappers for the chrome->content case
-              js::NukeCrossCompartmentWrappers(cx, BrowserCompartmentMatcher(), cpt,
-                                               mIsInnerWindow ? js::DontNukeWindowReferences
-                                                              : js::NukeWindowReferences,
-                                               js::NukeIncomingReferences);
-            }
-          }
-        }
-      }
-      break;
-    }
-
-    return NS_OK;
-  }
-
-private:
-  uint64_t mID;
-  Phase mPhase;
-  nsCString mTopic;
-  nsWeakPtr mWindow;
-  bool mIsInnerWindow;
-};
-
-void
-nsGlobalWindow::NotifyWindowIDDestroyed(const char* aTopic)
-{
-  nsCOMPtr<nsIRunnable> runnable;
-  if (IsInnerWindow()) {
-    runnable = new WindowDestroyedEvent(AssertInner(), mWindowID, aTopic);
-  } else {
-    runnable = new WindowDestroyedEvent(AssertOuter(), mWindowID, aTopic);
-  }
-  nsresult rv = Dispatch(TaskCategory::Other, runnable.forget());
-  if (NS_SUCCEEDED(rv)) {
-    mNotifiedIDDestroyed = true;
-  }
-}
-
-// static
-void
-nsGlobalWindow::NotifyDOMWindowFrozen(nsGlobalWindowInner* aWindow) {
-  if (aWindow) {
-    nsCOMPtr<nsIObserverService> observerService =
-      services::GetObserverService();
-    if (observerService) {
-      observerService->
-        NotifyObservers(ToSupports(aWindow),
-                        DOM_WINDOW_FROZEN_TOPIC, nullptr);
-    }
-  }
-}
-
-// static
-void
-nsGlobalWindow::NotifyDOMWindowThawed(nsGlobalWindowInner* aWindow) {
-  if (aWindow) {
-    nsCOMPtr<nsIObserverService> observerService =
-      services::GetObserverService();
-    if (observerService) {
-      observerService->
-        NotifyObservers(ToSupports(aWindow),
-                        DOM_WINDOW_THAWED_TOPIC, nullptr);
-    }
-  }
-}
-
-JSObject*
-nsGlobalWindow::GetCachedXBLPrototypeHandler(nsXBLPrototypeHandler* aKey)
-{
-  JS::Rooted<JSObject*> handler(RootingCx());
-  if (mCachedXBLPrototypeHandlers) {
-    mCachedXBLPrototypeHandlers->Get(aKey, handler.address());
-  }
-  return handler;
-}
-
-void
-nsGlobalWindow::CacheXBLPrototypeHandler(nsXBLPrototypeHandler* aKey,
-                                         JS::Handle<JSObject*> aHandler)
-{
-  if (!mCachedXBLPrototypeHandlers) {
-    mCachedXBLPrototypeHandlers = MakeUnique<XBLPrototypeHandlerTable>();
-    PreserveWrapper(ToSupports(this));
-  }
-
-  mCachedXBLPrototypeHandlers->Put(aKey, aHandler);
-}
-
-Element*
-nsGlobalWindow::GetFrameElementOuter(nsIPrincipal& aSubjectPrincipal)
-{
-  MOZ_RELEASE_ASSERT(IsOuterWindow());
-
-  if (!mDocShell || mDocShell->GetIsMozBrowser()) {
-    return nullptr;
-  }
-
-  // Per HTML5, the frameElement getter returns null in cross-origin situations.
-  Element* element = GetRealFrameElementOuter();
-  if (!element) {
-    return nullptr;
-  }
-
-  if (!aSubjectPrincipal.SubsumesConsideringDomain(element->NodePrincipal())) {
-    return nullptr;
-  }
-
-  return element;
-}
-
-Element*
-nsGlobalWindow::GetFrameElement(nsIPrincipal& aSubjectPrincipal,
-                                ErrorResult& aError)
-{
-  FORWARD_TO_OUTER_OR_THROW(GetFrameElementOuter, (aSubjectPrincipal), aError,
-                            nullptr);
-}
-
-Element*
-nsGlobalWindow::GetRealFrameElementOuter()
-{
-  MOZ_RELEASE_ASSERT(IsOuterWindow());
-
-  if (!mDocShell) {
-    return nullptr;
-  }
-
-  nsCOMPtr<nsIDocShell> parent;
-  mDocShell->GetSameTypeParentIgnoreBrowserBoundaries(getter_AddRefs(parent));
-
-  if (!parent || parent == mDocShell) {
-    // We're at a chrome boundary, don't expose the chrome iframe
-    // element to content code.
-    return nullptr;
-  }
-
-  return mFrameElement;
-}
-
-Element*
-nsGlobalWindow::GetRealFrameElement(ErrorResult& aError)
-{
-  FORWARD_TO_OUTER_OR_THROW(GetRealFrameElementOuter, (), aError, nullptr);
-}
-
-/**
- * nsIGlobalWindow::GetFrameElement (when called from C++) is just a wrapper
- * around GetRealFrameElement.
- */
-already_AddRefed<nsIDOMElement>
-nsGlobalWindow::GetFrameElement()
-{
-  FORWARD_TO_INNER(GetFrameElement, (), nullptr);
-
-  ErrorResult dummy;
-  nsCOMPtr<nsIDOMElement> frameElement =
-    do_QueryInterface(GetRealFrameElement(dummy));
-  dummy.SuppressException();
-  return frameElement.forget();
-}
-
-/* static */ bool
-nsGlobalWindow::TokenizeDialogOptions(nsAString& aToken,
-                                      nsAString::const_iterator& aIter,
-                                      nsAString::const_iterator aEnd)
-{
-  while (aIter != aEnd && nsCRT::IsAsciiSpace(*aIter)) {
-    ++aIter;
-  }
-
-  if (aIter == aEnd) {
-    return false;
-  }
-
-  if (*aIter == ';' || *aIter == ':' || *aIter == '=') {
-    aToken.Assign(*aIter);
-    ++aIter;
-    return true;
-  }
-