--- a/dom/geolocation/nsGeolocation.cpp
+++ b/dom/geolocation/nsGeolocation.cpp
@@ -913,17 +913,19 @@ nsGeolocationService::HighAccuracyReques
 
 void
 nsGeolocationService::UpdateAccuracy(bool aForceHigh)
 {
   bool highRequired = aForceHigh || HighAccuracyRequested();
 
   if (XRE_GetProcessType() == GeckoProcessType_Content) {
     ContentChild* cpc = ContentChild::GetSingleton();
-    cpc->SendSetGeolocationHigherAccuracy(highRequired);
+    if (cpc->IsAlive()) {
+      cpc->SendSetGeolocationHigherAccuracy(highRequired);
+    }
     return;
   }
 
   if (!mHigherAccuracy && highRequired) {
       mProvider->SetHighAccuracy(true);
   }
 
   if (mHigherAccuracy && !highRequired) {

--- a/dom/ipc/ContentChild.cpp
+++ b/dom/ipc/ContentChild.cpp
@@ -525,16 +525,17 @@ ReinitTaskTracer(void* /*aUnused*/)
 #endif
 
 ContentChild::ContentChild()
  : mID(uint64_t(-1))
 #ifdef ANDROID
    ,mScreenSize(0, 0)
 #endif
    , mCanOverrideProcessName(true)
+   , mIsAlive(true)
 {
     // This process is a content process, so it's clearly running in
     // multiprocess mode!
     nsDebugImpl::SetMultiprocessMode("Child");
 }
 
 ContentChild::~ContentChild()
 {
@@ -663,16 +664,22 @@ ContentChild::SetProcessName(const nsASt
 }
 
 void
 ContentChild::GetProcessName(nsAString& aName)
 {
     aName.Assign(mProcessName);
 }
 
+bool
+ContentChild::IsAlive()
+{
+    return mIsAlive;
+}
+
 void
 ContentChild::GetProcessName(nsACString& aName)
 {
     aName.Assign(NS_ConvertUTF16toUTF8(mProcessName));
 }
 
 /* static */ void
 ContentChild::AppendProcessId(nsACString& aName)
@@ -1635,16 +1642,17 @@ ContentChild::ActorDestroy(ActorDestroyR
 
     mIdleObservers.Clear();
 
     nsCOMPtr<nsIConsoleService> svc(do_GetService(NS_CONSOLESERVICE_CONTRACTID));
     if (svc) {
         svc->UnregisterListener(mConsoleListener);
         mConsoleListener->mChild = nullptr;
     }
+    mIsAlive = false;
 
     XRE_ShutdownChildProcess();
 }
 
 void
 ContentChild::ProcessingError(Result what)
 {
     switch (what) {

--- a/dom/ipc/ContentChild.h
+++ b/dom/ipc/ContentChild.h
@@ -82,20 +82,20 @@ public:
 
     static ContentChild* GetSingleton() {
         return sSingleton;
     }
 
     const AppInfo& GetAppInfo() {
         return mAppInfo;
     }
-
     void SetProcessName(const nsAString& aName, bool aDontOverride = false);
     void GetProcessName(nsAString& aName);
     void GetProcessName(nsACString& aName);
+    bool IsAlive();
     static void AppendProcessId(nsACString& aName);
 
     ContentBridgeParent* GetLastBridge() {
         MOZ_ASSERT(mLastBridge);
         ContentBridgeParent* parent = mLastBridge;
         mLastBridge = nullptr;
         return parent;
     }
@@ -416,16 +416,17 @@ private:
 
 #ifdef ANDROID
     gfxIntSize mScreenSize;
 #endif
 
     bool mIsForApp;
     bool mIsForBrowser;
     bool mCanOverrideProcessName;
+    bool mIsAlive;
     nsString mProcessName;
 
     static ContentChild* sSingleton;
 
     DISALLOW_EVIL_CONSTRUCTORS(ContentChild);
 };
 
 } // namespace dom