--- a/gfx/layers/IPDLActor.h
+++ b/gfx/layers/IPDLActor.h
@@ -2,17 +2,16 @@
  * 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/. */
 
 #ifndef MOZILLA_LAYERS_IPDLACTOR_H
 #define MOZILLA_LAYERS_IPDLACTOR_H
 
 #include "mozilla/ipc/ProtocolUtils.h"
-#include "mozilla/layers/CompositableForwarder.h"
 #include "mozilla/unused.h"
 
 namespace mozilla {
 namespace layers {
 
 /// A base class to facilitate the deallocation of IPDL actors.
 ///
 /// This class implements a simple deallocation protocol that avoids races
@@ -44,54 +43,43 @@ public:
 
   /// Check the return of CanSend before sending any message!
   bool CanSend() const { return !mDestroyed; }
 
   /// The normal way to destroy the actor.
   ///
   /// This will asynchronously send a Destroy message to the parent actor, whom
   /// will send the delete message.
-  void Destroy(CompositableForwarder* aFwd = nullptr)
+  void Destroy()
   {
     MOZ_ASSERT(!mDestroyed);
     if (!mDestroyed) {
       mDestroyed = true;
       DestroyManagees();
-      if (!aFwd || !aFwd->DestroyInTransaction(this, false)) {
-        this->SendDestroy();
-      }
+      this->SendDestroy();
     }
   }
 
   /// The ugly and slow way to destroy the actor.
   ///
   /// This will block until the Parent actor has handled the Destroy message,
   /// and then start the asynchronous handshake (and destruction will already
   /// be done on the parent side, when the async part happens).
-  void DestroySynchronously(CompositableForwarder* aFwd = nullptr)
+  void DestroySynchronously()
   {
     MOZ_PERFORMANCE_WARNING("gfx", "IPDL actor requires synchronous deallocation");
     MOZ_ASSERT(!mDestroyed);
     if (!mDestroyed) {
       DestroyManagees();
       mDestroyed = true;
-      if (!aFwd || !aFwd->DestroyInTransaction(this, true)) {
-        this->SendDestroySync();
-        this->SendDestroy();
-      }
+      this->SendDestroySync();
+      this->SendDestroy();
     }
   }
 
-  /// If the transaction that was supposed to destroy the texture fails for
-  /// whatever reason, fallback to destroying the actor synchronously.
-  static bool DestroyFallback(Protocol* aActor)
-  {
-    return aActor->SendDestroySync();
-  }
-
   /// Override this if the protocol manages other protocols, and destroy the
   /// managees from there
   virtual void DestroyManagees() {}
 
 private:
   bool mDestroyed;
 };
 

--- a/gfx/layers/client/ClientLayerManager.cpp
+++ b/gfx/layers/client/ClientLayerManager.cpp
@@ -639,16 +639,18 @@ ClientLayerManager::ForwardTransaction(b
 
   if (!sent) {
     // Clear the transaction id so that it doesn't get returned
     // unless we forwarded to somewhere that doesn't actually
     // have a compositor.
     mTransactionIdAllocator->RevokeTransactionId(mLatestTransactionId);
   }
 
+  mForwarder->RemoveTexturesIfNecessary();
+  mForwarder->RemoveCompositablesIfNecessary();
   mForwarder->SendPendingAsyncMessges();
   mPhase = PHASE_NONE;
 
   // this may result in Layers being deleted, which results in
   // PLayer::Send__delete__() and DeallocShmem()
   mKeepAlive.Clear();
 
   TabChild* window = mWidget->GetOwningTabChild();

--- a/gfx/layers/client/ClientTiledPaintedLayer.cpp
+++ b/gfx/layers/client/ClientTiledPaintedLayer.cpp
@@ -407,16 +407,17 @@ void
 ClientTiledPaintedLayer::RenderLayer()
 {
   LayerManager::DrawPaintedLayerCallback callback =
     ClientManager()->GetPaintedLayerCallback();
   void *data = ClientManager()->GetPaintedLayerCallbackData();
 
   IntSize layerSize = mVisibleRegion.ToUnknownRegion().GetBounds().Size();
   if (mContentClient && !mContentClient->SupportsLayerSize(layerSize, ClientManager())) {
+    ClientManager()->AsShadowForwarder()->HoldUntilTransaction(mContentClient);
     mContentClient = nullptr;
     mValidRegion.SetEmpty();
   }
 
   if (!mContentClient) {
     if (mCreationHint == LayerManager::NONE &&
         SingleTiledContentClient::ClientSupportsLayerSize(layerSize, ClientManager()) &&
         gfxPrefs::LayersSingleTileEnabled()) {

--- a/gfx/layers/client/CompositableClient.cpp
+++ b/gfx/layers/client/CompositableClient.cpp
@@ -175,28 +175,23 @@ CompositableClient::IsConnected() const
 }
 
 void
 CompositableClient::Destroy()
 {
   if (!IsConnected()) {
     return;
   }
-
-  mCompositableChild->mCompositableClient = nullptr;
-  mCompositableChild->Destroy(mForwarder);
-  mCompositableChild = nullptr;
-
+  // Send pending AsyncMessages before deleting CompositableChild.
+  // They might have dependency to the mCompositableChild.
   mForwarder->SendPendingAsyncMessges();
-}
-
-bool
-CompositableClient::DestroyFallback(PCompositableChild* aActor)
-{
-  return aActor->SendDestroySync();
+  // Destroy CompositableChild.
+  mCompositableChild->mCompositableClient = nullptr;
+  mCompositableChild->Destroy();
+  mCompositableChild = nullptr;
 }
 
 uint64_t
 CompositableClient::GetAsyncID() const
 {
   if (mCompositableChild) {
     return mCompositableChild->mAsyncID;
   }

--- a/gfx/layers/client/CompositableClient.h
+++ b/gfx/layers/client/CompositableClient.h
@@ -150,18 +150,16 @@ public:
 
   /**
    * Establishes the connection with compositor side through IPDL
    */
   virtual bool Connect(ImageContainer* aImageContainer = nullptr);
 
   void Destroy();
 
-  static bool DestroyFallback(PCompositableChild* aActor);
-
   bool IsConnected() const;
 
   PCompositableChild* GetIPDLActor() const;
 
   // should only be called by a CompositableForwarder
   virtual void SetIPDLActor(CompositableChild* aChild);
 
   CompositableForwarder* GetForwarder() const

--- a/gfx/layers/client/TextureClient.cpp
+++ b/gfx/layers/client/TextureClient.cpp
@@ -295,23 +295,23 @@ DeallocateTextureClient(TextureDeallocPa
     // race causing this function to be called concurrently which is bad!
     gfxCriticalError() << "Racy texture deallocation";
     return;
   }
 
   if (params.syncDeallocation) {
     MOZ_PERFORMANCE_WARNING("gfx",
       "TextureClient/Host pair requires synchronous deallocation");
-    actor->DestroySynchronously(actor->GetForwarder());
+    actor->DestroySynchronously();
     DestroyTextureData(params.data, params.allocator, params.clientDeallocation,
                        actor->mMainThreadOnly);
   } else {
     actor->mTextureData = params.data;
     actor->mOwnsTextureData = params.clientDeallocation;
-    actor->Destroy(actor->GetForwarder());
+    actor->Destroy();
     // DestroyTextureData will be called by TextureChild::ActorDestroy
   }
 }
 
 void TextureClient::Destroy(bool aForceSync)
 {
   MOZ_ASSERT(!IsLocked());
 
@@ -342,24 +342,16 @@ void TextureClient::Destroy(bool aForceS
     // client side, but having asynchronous deallocate in some of the cases will
     // be a worthwhile optimization.
     params.syncDeallocation = !!(mFlags & TextureFlags::DEALLOCATE_CLIENT) || aForceSync;
     DeallocateTextureClient(params);
   }
 }
 
 bool
-TextureClient::DestroyFallback(PTextureChild* aActor)
-{
-  // should not end up here so crash debug builds.
-  MOZ_ASSERT(false);
-  return aActor->SendDestroySync();
-}
-
-bool
 TextureClient::Lock(OpenMode aMode)
 {
   MOZ_ASSERT(IsValid());
   MOZ_ASSERT(!mIsLocked);
   if (mIsLocked) {
     return mOpenMode == aMode;
   }
 

--- a/gfx/layers/client/TextureClient.h
+++ b/gfx/layers/client/TextureClient.h
@@ -410,18 +410,16 @@ public:
    *
    * TextureChild is an implementation detail of TextureClient that is not
    * exposed to the rest of the code base. CreateIPDLActor and DestroyIPDLActor
    * are for use with the managing IPDL protocols only (so that they can
    * implement AllocPextureChild and DeallocPTextureChild).
    */
   static PTextureChild* CreateIPDLActor();
   static bool DestroyIPDLActor(PTextureChild* actor);
-  // call this if the transaction that was supposed to destroy the actor failed.
-  static bool DestroyFallback(PTextureChild* actor);
 
   /**
    * Get the TextureClient corresponding to the actor passed in parameter.
    */
   static TextureClient* AsTextureClient(PTextureChild* actor);
 
   gfx::IntSize GetSize() const;
 

--- a/gfx/layers/composite/CompositableHost.cpp
+++ b/gfx/layers/composite/CompositableHost.cpp
@@ -222,22 +222,16 @@ CompositableHost::DumpTextureHost(std::s
   }
   RefPtr<gfx::DataSourceSurface> dSurf = aTexture->GetAsSurface();
   if (!dSurf) {
     return;
   }
   aStream << gfxUtils::GetAsDataURI(dSurf).get();
 }
 
-void
-CompositableHost::ReceivedDestroy(PCompositableParent* aActor)
-{
-  static_cast<CompositableParent*>(aActor)->RecvDestroy();
-}
-
 namespace CompositableMap {
 
 typedef std::map<uint64_t, PCompositableParent*> CompositableMap_t;
 static CompositableMap_t* sCompositableMap = nullptr;
 bool IsCreated() {
   return sCompositableMap != nullptr;
 }
 PCompositableParent* Get(uint64_t aID)

--- a/gfx/layers/composite/CompositableHost.h
+++ b/gfx/layers/composite/CompositableHost.h
@@ -171,19 +171,16 @@ public:
         aFlags & FORCE_DETACH) {
       SetLayer(nullptr);
       mAttached = false;
       mKeepAttached = false;
     }
   }
   bool IsAttached() { return mAttached; }
 
-  static void
-  ReceivedDestroy(PCompositableParent* aActor);
-
   virtual void Dump(std::stringstream& aStream,
                     const char* aPrefix="",
                     bool aDumpHtml=false) { }
   static void DumpTextureHost(std::stringstream& aStream, TextureHost* aTexture);
 
   virtual already_AddRefed<gfx::DataSourceSurface> GetAsSurface() { return nullptr; }
 
   virtual void PrintInfo(std::stringstream& aStream, const char* aPrefix) = 0;

--- a/gfx/layers/composite/TextureHost.cpp
+++ b/gfx/layers/composite/TextureHost.cpp
@@ -830,22 +830,16 @@ TextureParent::Destroy()
   // Clear recycle callback.
   mTextureHost->ClearRecycleCallback();
   mWaitForClientRecycle = nullptr;
 
   mTextureHost->mActor = nullptr;
   mTextureHost = nullptr;
 }
 
-void
-TextureHost::ReceivedDestroy(PTextureParent* aActor)
-{
-  static_cast<TextureParent*>(aActor)->RecvDestroy();
-}
-
 bool
 TextureParent::RecvRecycleTexture(const TextureFlags& aTextureFlags)
 {
   if (!mTextureHost) {
     return true;
   }
   mTextureHost->RecycleTexture(aTextureFlags);
   return true;

--- a/gfx/layers/composite/TextureHost.h
+++ b/gfx/layers/composite/TextureHost.h
@@ -458,18 +458,16 @@ public:
                                          TextureFlags aFlags);
   static bool DestroyIPDLActor(PTextureParent* actor);
 
   /**
    * Destroy the TextureChild/Parent pair.
    */
   static bool SendDeleteIPDLActor(PTextureParent* actor);
 
-  static void ReceivedDestroy(PTextureParent* actor);
-
   /**
    * Get the TextureHost corresponding to the actor passed in parameter.
    */
   static TextureHost* AsTextureHost(PTextureParent* actor);
 
   /**
    * Return a pointer to the IPDLActor.
    *

--- a/gfx/layers/ipc/CompositableForwarder.h
+++ b/gfx/layers/ipc/CompositableForwarder.h
@@ -79,19 +79,16 @@ public:
                                    const nsIntRegion& aUpdatedRegion) = 0;
 
 #ifdef MOZ_WIDGET_GONK
   virtual void UseOverlaySource(CompositableClient* aCompositabl,
                                 const OverlaySource& aOverlay,
                                 const gfx::IntRect& aPictureRect) = 0;
 #endif
 
-  virtual bool DestroyInTransaction(PTextureChild* aTexture, bool synchronously) = 0;
-  virtual bool DestroyInTransaction(PCompositableChild* aCompositable, bool synchronously) = 0;
-
   /**
    * Tell the CompositableHost on the compositor side to remove the texture
    * from the CompositableHost.
    * This function does not delete the TextureHost corresponding to the
    * TextureClient passed in parameter.
    * When the TextureClient has TEXTURE_DEALLOCATE_CLIENT flag,
    * the transaction becomes synchronous.
    */
@@ -106,16 +103,50 @@ public:
    * TextureClient passed in parameter.
    * It is used when the TextureClient recycled.
    * Only ImageBridge implements it.
    */
   virtual void RemoveTextureFromCompositableAsync(AsyncTransactionTracker* aAsyncTransactionTracker,
                                                   CompositableClient* aCompositable,
                                                   TextureClient* aTexture) {}
 
+  /**
+   * Holds a reference to a TextureClient until after the next
+   * compositor transaction, and then drops it.
+   */
+  virtual void HoldUntilTransaction(TextureClient* aClient)
+  {
+    if (aClient) {
+      mTexturesToRemove.AppendElement(aClient);
+    }
+  }
+
+  /**
+   * Forcibly remove texture data from TextureClient
+   * This function needs to be called after a tansaction with Compositor.
+   */
+  virtual void RemoveTexturesIfNecessary()
+  {
+    mTexturesToRemove.Clear();
+  }
+
+  /**
+   * The same as above, but for CompositableClients.
+   */
+  void HoldUntilTransaction(CompositableClient* aClient)
+  {
+    if (aClient) {
+      mCompositableClientsToRemove.AppendElement(aClient);
+    }
+  }
+  void RemoveCompositablesIfNecessary()
+  {
+    mCompositableClientsToRemove.Clear();
+  }
+
   struct TimedTextureClient {
     TimedTextureClient()
         : mTextureClient(nullptr), mFrameID(0), mProducerID(0) {}
 
     TextureClient* mTextureClient;
     TimeStamp mTimeStamp;
     nsIntRect mPictureRect;
     int32_t mFrameID;

--- a/gfx/layers/ipc/CompositableTransactionParent.cpp
+++ b/gfx/layers/ipc/CompositableTransactionParent.cpp
@@ -228,43 +228,18 @@ CompositableParentManager::ReceiveCompos
       MOZ_ASSERT(false, "bad type");
     }
   }
 
   return true;
 }
 
 void
-CompositableParentManager::DestroyActor(const OpDestroy& aOp)
-{
-  switch (aOp.type()) {
-    case OpDestroy::TPTextureParent: {
-      auto actor = aOp.get_PTextureParent();
-      TextureHost::ReceivedDestroy(actor);
-      break;
-    }
-    case OpDestroy::TPCompositableParent: {
-      auto actor = aOp.get_PCompositableParent();
-      CompositableHost::ReceivedDestroy(actor);
-      break;
-    }
-    default: {
-      MOZ_ASSERT(false, "unsupported type");
-    }
-  }
-}
-
-void
 CompositableParentManager::SendPendingAsyncMessages()
 {
-  for (auto& actor : mDestroyedTextures) {
-    TextureHost::SendDeleteIPDLActor(actor);
-  }
-  mDestroyedTextures.clear();
-
   if (mPendingAsyncMessage.empty()) {
     return;
   }
 
   // Some type of AsyncParentMessageData message could have
   // one file descriptor (e.g. OpDeliverFence).
   // A number of file descriptors per gecko ipc message have a limitation
   // on OS_POSIX (MACOSX or LINUX).

--- a/gfx/layers/ipc/CompositableTransactionParent.h
+++ b/gfx/layers/ipc/CompositableTransactionParent.h
@@ -41,28 +41,25 @@ public:
   virtual base::ProcessId GetChildProcessId() = 0;
 
 protected:
   /**
    * Handle the IPDL messages that affect PCompositable actors.
    */
   bool ReceiveCompositableUpdate(const CompositableOperation& aEdit,
                                  EditReplyVector& replyv);
-  void DestroyActor(const OpDestroy& aOp);
-
   bool IsOnCompositorSide() const override { return true; }
 
   /**
    * Return true if this protocol is asynchronous with respect to the content
    * thread (ImageBridge for instance).
    */
   virtual bool IsAsync() const { return false; }
 
   virtual void ReplyRemoveTexture(const OpReplyRemoveTexture& aReply) {}
 
   std::vector<AsyncParentMessageData> mPendingAsyncMessage;
-  std::vector<PTextureParent*> mDestroyedTextures;
 };
 
 } // namespace layers
 } // namespace mozilla
 
 #endif

--- a/gfx/layers/ipc/ImageBridgeChild.cpp
+++ b/gfx/layers/ipc/ImageBridgeChild.cpp
@@ -51,17 +51,16 @@ namespace layers {
 
 using base::Thread;
 using base::ProcessId;
 using namespace mozilla::ipc;
 using namespace mozilla::gfx;
 using namespace mozilla::media;
 
 typedef std::vector<CompositableOperation> OpVector;
-typedef nsTArray<OpDestroy> OpDestroyVector;
 
 struct CompositableTransaction
 {
   CompositableTransaction()
   : mSwapRequired(false)
   , mFinished(true)
   {}
   ~CompositableTransaction()
@@ -77,59 +76,33 @@ struct CompositableTransaction
     MOZ_ASSERT(mFinished);
     mFinished = false;
   }
   void End()
   {
     mFinished = true;
     mSwapRequired = false;
     mOperations.clear();
-    mDestroyedActors.Clear();
   }
   bool IsEmpty() const
   {
-    return mOperations.empty() && mDestroyedActors.IsEmpty();
+    return mOperations.empty();
   }
   void AddNoSwapEdit(const CompositableOperation& op)
   {
     MOZ_ASSERT(!Finished(), "forgot BeginTransaction?");
     mOperations.push_back(op);
   }
   void AddEdit(const CompositableOperation& op)
   {
     AddNoSwapEdit(op);
-    MarkSyncTransaction();
-  }
-  void MarkSyncTransaction()
-  {
     mSwapRequired = true;
   }
 
-  void FallbackDestroyActors()
-  {
-    for (auto& actor : mDestroyedActors) {
-      switch (actor.type()) {
-      case OpDestroy::TPTextureChild: {
-        DebugOnly<bool> ok = TextureClient::DestroyFallback(actor.get_PTextureChild());
-        MOZ_ASSERT(ok);
-        break;
-      }
-      case OpDestroy::TPCompositableChild: {
-        DebugOnly<bool> ok = CompositableClient::DestroyFallback(actor.get_PCompositableChild());
-        MOZ_ASSERT(ok);
-        break;
-      }
-      default: MOZ_CRASH();
-      }
-    }
-    mDestroyedActors.Clear();
-  }
-
   OpVector mOperations;
-  OpDestroyVector mDestroyedActors;
   bool mSwapRequired;
   bool mFinished;
 };
 
 struct AutoEndTransaction {
   explicit AutoEndTransaction(CompositableTransaction* aTxn) : mTxn(aTxn) {}
   ~AutoEndTransaction() { mTxn->End(); }
   CompositableTransaction* mTxn;
@@ -200,22 +173,16 @@ ImageBridgeChild::UseOverlaySource(Compo
 static StaticRefPtr<ImageBridgeChild> sImageBridgeChildSingleton;
 static StaticRefPtr<ImageBridgeParent> sImageBridgeParentSingleton;
 static Thread *sImageBridgeChildThread = nullptr;
 
 void ReleaseImageBridgeParentSingleton() {
   sImageBridgeParentSingleton = nullptr;
 }
 
-void
-ImageBridgeChild::FallbackDestroyActors() {
-  if (mTxn && !mTxn->mDestroyedActors.IsEmpty()) {
-    mTxn->FallbackDestroyActors();
-  }
-}
 
 // dispatched function
 static void ImageBridgeShutdownStep1(ReentrantMonitor *aBarrier, bool *aDone)
 {
   ReentrantMonitorAutoEnter autoMon(*aBarrier);
 
   MOZ_ASSERT(InImageBridgeChildThread(),
              "Should be in ImageBridgeChild thread.");
@@ -232,18 +199,16 @@ static void ImageBridgeShutdownStep1(Ree
     InfallibleTArray<PTextureChild*> textures;
     sImageBridgeChildSingleton->ManagedPTextureChild(textures);
     for (int i = textures.Length() - 1; i >= 0; --i) {
       RefPtr<TextureClient> client = TextureClient::AsTextureClient(textures[i]);
       if (client) {
         client->Destroy();
       }
     }
-    sImageBridgeChildSingleton->FallbackDestroyActors();
-
     sImageBridgeChildSingleton->SendWillStop();
     sImageBridgeChildSingleton->MarkShutDown();
     // From now on, no message can be sent through the image bridge from the
     // client side except the final Stop message.
   }
 
   *aDone = true;
   aBarrier->NotifyAll();
@@ -637,23 +602,38 @@ void ImageBridgeChild::FlushAllImages(Im
 void
 ImageBridgeChild::BeginTransaction()
 {
   MOZ_ASSERT(!mShuttingDown);
   MOZ_ASSERT(mTxn->Finished(), "uncommitted txn?");
   mTxn->Begin();
 }
 
+class MOZ_STACK_CLASS AutoRemoveTexturesFromImageBridge
+{
+public:
+  explicit AutoRemoveTexturesFromImageBridge(ImageBridgeChild* aImageBridge)
+    : mImageBridge(aImageBridge) {}
+
+  ~AutoRemoveTexturesFromImageBridge()
+  {
+    mImageBridge->RemoveTexturesIfNecessary();
+  }
+private:
+  ImageBridgeChild* mImageBridge;
+};
+
 void
 ImageBridgeChild::EndTransaction()
 {
   MOZ_ASSERT(!mShuttingDown);
   MOZ_ASSERT(!mTxn->Finished(), "forgot BeginTransaction?");
 
   AutoEndTransaction _(mTxn);
+  AutoRemoveTexturesFromImageBridge autoRemoveTextures(this);
 
   if (mTxn->IsEmpty()) {
     return;
   }
 
   AutoInfallibleTArray<CompositableOperation, 10> cset;
   cset.SetCapacity(mTxn->mOperations.size());
   if (!mTxn->mOperations.empty()) {
@@ -662,27 +642,25 @@ ImageBridgeChild::EndTransaction()
 
   if (!IsSameProcess()) {
     ShadowLayerForwarder::PlatformSyncBeforeUpdate();
   }
 
   AutoInfallibleTArray<EditReply, 10> replies;
 
   if (mTxn->mSwapRequired) {
-    if (!SendUpdate(cset, mTxn->mDestroyedActors, &replies)) {
+    if (!SendUpdate(cset, &replies)) {
       NS_WARNING("could not send async texture transaction");
-      mTxn->FallbackDestroyActors();
       return;
     }
   } else {
     // If we don't require a swap we can call SendUpdateNoSwap which
     // assumes that aReplies is empty (DEBUG assertion)
-    if (!SendUpdateNoSwap(cset, mTxn->mDestroyedActors)) {
+    if (!SendUpdateNoSwap(cset)) {
       NS_WARNING("could not send async texture transaction (no swap)");
-      mTxn->FallbackDestroyActors();
       return;
     }
   }
   for (nsTArray<EditReply>::size_type i = 0; i < replies.Length(); ++i) {
     NS_RUNTIMEABORT("not reached");
   }
   SendPendingAsyncMessges();
 }
@@ -1113,45 +1091,16 @@ PTextureChild*
 ImageBridgeChild::CreateTexture(const SurfaceDescriptor& aSharedData,
                                 LayersBackend aLayersBackend,
                                 TextureFlags aFlags)
 {
   MOZ_ASSERT(!mShuttingDown);
   return SendPTextureConstructor(aSharedData, aLayersBackend, aFlags);
 }
 
-static bool
-IBCAddOpDestroy(CompositableTransaction* aTxn, const OpDestroy& op, bool synchronously)
-{
-  if (aTxn->Finished()) {
-    return false;
-  }
-
-  aTxn->mDestroyedActors.AppendElement(op);
-
-  if (synchronously) {
-    aTxn->MarkSyncTransaction();
-  }
-
-  return true;
-}
-
-bool
-ImageBridgeChild::DestroyInTransaction(PTextureChild* aTexture, bool synchronously)
-{
-  return IBCAddOpDestroy(mTxn, OpDestroy(aTexture), synchronously);
-}
-
-bool
-ImageBridgeChild::DestroyInTransaction(PCompositableChild* aCompositable, bool synchronously)
-{
-  return IBCAddOpDestroy(mTxn, OpDestroy(aCompositable), synchronously);
-}
-
-
 void
 ImageBridgeChild::RemoveTextureFromCompositable(CompositableClient* aCompositable,
                                                 TextureClient* aTexture)
 {
   MOZ_ASSERT(!mShuttingDown);
   MOZ_ASSERT(aTexture);
   MOZ_ASSERT(aTexture->IsSharedWithCompositor());
   MOZ_ASSERT(aCompositable->IsConnected());
@@ -1160,16 +1109,18 @@ ImageBridgeChild::RemoveTextureFromCompo
   }
   if (aTexture->GetFlags() & TextureFlags::DEALLOCATE_CLIENT) {
     mTxn->AddEdit(OpRemoveTexture(nullptr, aCompositable->GetIPDLActor(),
                                   nullptr, aTexture->GetIPDLActor()));
   } else {
     mTxn->AddNoSwapEdit(OpRemoveTexture(nullptr, aCompositable->GetIPDLActor(),
                                         nullptr, aTexture->GetIPDLActor()));
   }
+  // Hold texture until transaction complete.
+  HoldUntilTransaction(aTexture);
 }
 
 void
 ImageBridgeChild::RemoveTextureFromCompositableAsync(AsyncTransactionTracker* aAsyncTransactionTracker,
                                                      CompositableClient* aCompositable,
                                                      TextureClient* aTexture)
 {
   MOZ_ASSERT(!mShuttingDown);

--- a/gfx/layers/ipc/ImageBridgeChild.h
+++ b/gfx/layers/ipc/ImageBridgeChild.h
@@ -257,19 +257,16 @@ public:
                                          TextureClient* aClientOnBlack,
                                          TextureClient* aClientOnWhite) override;
 #ifdef MOZ_WIDGET_GONK
   virtual void UseOverlaySource(CompositableClient* aCompositable,
                                 const OverlaySource& aOverlay,
                                 const nsIntRect& aPictureRect) override;
 #endif
 
-  virtual bool DestroyInTransaction(PTextureChild* aTexture, bool synchronously) override;
-  virtual bool DestroyInTransaction(PCompositableChild* aCompositable, bool synchronously) override;
-
   virtual void RemoveTextureFromCompositable(CompositableClient* aCompositable,
                                              TextureClient* aTexture) override;
 
   virtual void RemoveTextureFromCompositableAsync(AsyncTransactionTracker* aAsyncTransactionTracker,
                                                   CompositableClient* aCompositable,
                                                   TextureClient* aTexture) override;
 
   virtual void UseTiledLayerBuffer(CompositableClient* aCompositable,
@@ -316,18 +313,16 @@ public:
                                        LayersBackend aLayersBackend,
                                        TextureFlags aFlags) override;
 
   virtual bool IsSameProcess() const override;
 
   virtual void SendPendingAsyncMessges() override;
 
   void MarkShutDown();
-
-  void FallbackDestroyActors();
 protected:
   ImageBridgeChild();
   bool DispatchAllocShmemInternal(size_t aSize,
                                   SharedMemory::SharedMemoryType aType,
                                   Shmem* aShmem,
                                   bool aUnsafe);
 
   CompositableTransaction* mTxn;

--- a/gfx/layers/ipc/ImageBridgeParent.cpp
+++ b/gfx/layers/ipc/ImageBridgeParent.cpp
@@ -124,52 +124,47 @@ public:
   {
     mImageBridge->SendPendingAsyncMessages();
   }
 private:
   ImageBridgeParent* mImageBridge;
 };
 
 bool
-ImageBridgeParent::RecvUpdate(EditArray&& aEdits, OpDestroyArray&& aToDestroy,
-                              EditReplyArray* aReply)
+ImageBridgeParent::RecvUpdate(EditArray&& aEdits, EditReplyArray* aReply)
 {
   AutoImageBridgeParentAsyncMessageSender autoAsyncMessageSender(this);
 
   EditReplyVector replyv;
   for (EditArray::index_type i = 0; i < aEdits.Length(); ++i) {
     if (!ReceiveCompositableUpdate(aEdits[i], replyv)) {
       return false;
     }
   }
 
-  for (const auto& op : aToDestroy) {
-    DestroyActor(op);
-  }
-
   aReply->SetCapacity(replyv.size());
   if (replyv.size() > 0) {
     aReply->AppendElements(&replyv.front(), replyv.size());
   }
 
   if (!IsSameProcess()) {
     // Ensure that any pending operations involving back and front
     // buffers have completed, so that neither process stomps on the
     // other's buffer contents.
     LayerManagerComposite::PlatformSyncBeforeReplyUpdate();
   }
 
   return true;
 }
 
 bool
-ImageBridgeParent::RecvUpdateNoSwap(EditArray&& aEdits, OpDestroyArray&& aToDestroy)
+ImageBridgeParent::RecvUpdateNoSwap(EditArray&& aEdits)
 {
   InfallibleTArray<EditReply> noReplies;
-  bool success = RecvUpdate(Move(aEdits), Move(aToDestroy), &noReplies);
+  bool success = RecvUpdate(Move(aEdits), &noReplies);
   MOZ_ASSERT(noReplies.Length() == 0, "RecvUpdateNoSwap requires a sync Update to carry Edits");
   return success;
 }
 
 static void
 ConnectImageBridgeInParentProcess(ImageBridgeParent* aBridge,
                                   Transport* aTransport,
                                   base::ProcessId aOtherPid)

--- a/gfx/layers/ipc/ImageBridgeParent.h
+++ b/gfx/layers/ipc/ImageBridgeParent.h
@@ -38,17 +38,16 @@ namespace layers {
  * It's purpose is mainly to setup the IPDL connection. Most of the
  * interesting stuff is in ImageContainerParent.
  */
 class ImageBridgeParent final : public PImageBridgeParent,
                                 public CompositableParentManager
 {
 public:
   typedef InfallibleTArray<CompositableOperation> EditArray;
-  typedef InfallibleTArray<OpDestroy> OpDestroyArray;
   typedef InfallibleTArray<EditReply> EditReplyArray;
   typedef InfallibleTArray<AsyncChildMessageData> AsyncChildMessageArray;
 
   ImageBridgeParent(MessageLoop* aLoop, Transport* aTransport, ProcessId aChildProcessId);
   ~ImageBridgeParent();
 
   virtual void ActorDestroy(ActorDestroyReason aWhy) override;
 
@@ -63,19 +62,18 @@ public:
 
   virtual base::ProcessId GetChildProcessId() override
   {
     return OtherPid();
   }
 
   // PImageBridge
   virtual bool RecvImageBridgeThreadId(const PlatformThreadId& aThreadId) override;
-  virtual bool RecvUpdate(EditArray&& aEdits, OpDestroyArray&& aToDestroy,
-                          EditReplyArray* aReply) override;
-  virtual bool RecvUpdateNoSwap(EditArray&& aEdits, OpDestroyArray&& aToDestroy) override;
+  virtual bool RecvUpdate(EditArray&& aEdits, EditReplyArray* aReply) override;
+  virtual bool RecvUpdateNoSwap(EditArray&& aEdits) override;
 
   virtual bool IsAsync() const override { return true; }
 
   PCompositableParent* AllocPCompositableParent(const TextureInfo& aInfo,
                                                 PImageContainerParent* aImageContainer,
                                                 uint64_t*) override;
   bool DeallocPCompositableParent(PCompositableParent* aActor) override;
 

--- a/gfx/layers/ipc/LayerTransactionParent.cpp
+++ b/gfx/layers/ipc/LayerTransactionParent.cpp
@@ -182,29 +182,27 @@ LayerTransactionParent::Destroy()
     RefPtr<TextureHost> tex = TextureHost::AsTextureHost(textures[i]);
     tex->DeallocateDeviceData();
   }
   mDestroyed = true;
 }
 
 bool
 LayerTransactionParent::RecvUpdateNoSwap(InfallibleTArray<Edit>&& cset,
-                                         InfallibleTArray<OpDestroy>&& aToDestroy,
                                          const uint64_t& aTransactionId,
                                          const TargetConfig& targetConfig,
                                          PluginsArray&& aPlugins,
                                          const bool& isFirstPaint,
                                          const bool& scheduleComposite,
                                          const uint32_t& paintSequenceNumber,
                                          const bool& isRepeatTransaction,
                                          const mozilla::TimeStamp& aTransactionStart,
                                          const int32_t& aPaintSyncId)
 {
-  return RecvUpdate(Move(cset), Move(aToDestroy),
-      aTransactionId, targetConfig, Move(aPlugins), isFirstPaint,
+  return RecvUpdate(Move(cset), aTransactionId, targetConfig, Move(aPlugins), isFirstPaint,
       scheduleComposite, paintSequenceNumber, isRepeatTransaction,
       aTransactionStart, aPaintSyncId, nullptr);
 }
 
 class MOZ_STACK_CLASS AutoLayerTransactionParentAsyncMessageSender
 {
 public:
   explicit AutoLayerTransactionParentAsyncMessageSender(LayerTransactionParent* aLayerTransaction)
@@ -216,17 +214,16 @@ public:
     ImageBridgeParent::SendPendingAsyncMessages(mLayerTransaction->GetChildProcessId());
   }
 private:
   LayerTransactionParent* mLayerTransaction;
 };
 
 bool
 LayerTransactionParent::RecvUpdate(InfallibleTArray<Edit>&& cset,
-                                   InfallibleTArray<OpDestroy>&& aToDestroy,
                                    const uint64_t& aTransactionId,
                                    const TargetConfig& targetConfig,
                                    PluginsArray&& aPlugins,
                                    const bool& isFirstPaint,
                                    const bool& scheduleComposite,
                                    const uint32_t& paintSequenceNumber,
                                    const bool& isRepeatTransaction,
                                    const mozilla::TimeStamp& aTransactionStart,
@@ -239,20 +236,16 @@ LayerTransactionParent::RecvUpdate(Infal
 
 #ifdef COMPOSITOR_PERFORMANCE_WARNING
   TimeStamp updateStart = TimeStamp::Now();
 #endif
 
   MOZ_LAYERS_LOG(("[ParentSide] received txn with %d edits", cset.Length()));
 
   if (mDestroyed || !layer_manager() || layer_manager()->IsDestroyed()) {
-    for (const auto& op : aToDestroy) {
-      DestroyActor(op);
-    }
-
     return true;
   }
 
   EditReplyVector replyv;
   AutoLayerTransactionParentAsyncMessageSender autoAsyncMessageSender(this);
 
   {
     AutoResolveRefLayers resolve(mShadowLayersManager->GetCompositionManager(this));
@@ -595,20 +588,16 @@ LayerTransactionParent::RecvUpdate(Infal
       host->SetCompositorID(mLayerManager->GetCompositor()->GetCompositorID());
       break;
     }
     default:
       NS_RUNTIMEABORT("not reached");
     }
   }
 
-  for (const auto& op : aToDestroy) {
-    DestroyActor(op);
-  }
-
   mShadowLayersManager->ShadowLayersUpdated(this, aTransactionId, targetConfig,
                                             aPlugins, isFirstPaint, scheduleComposite,
                                             paintSequenceNumber, isRepeatTransaction,
                                             aPaintSyncId);
 
   {
     AutoResolveRefLayers resolve(mShadowLayersManager->GetCompositionManager(this));
     layer_manager()->EndTransaction(TimeStamp(), LayerManager::END_NO_IMMEDIATE_REDRAW);

--- a/gfx/layers/ipc/LayerTransactionParent.h
+++ b/gfx/layers/ipc/LayerTransactionParent.h
@@ -35,17 +35,16 @@ class ShadowLayerParent;
 class CompositableParent;
 class ShadowLayersManager;
 
 class LayerTransactionParent final : public PLayerTransactionParent,
                                      public CompositableParentManager
 {
   typedef mozilla::layout::RenderFrameParent RenderFrameParent;
   typedef InfallibleTArray<Edit> EditArray;
-  typedef InfallibleTArray<OpDestroy> OpDestroyArray;
   typedef InfallibleTArray<EditReply> EditReplyArray;
   typedef InfallibleTArray<AsyncChildMessageData> AsyncChildMessageArray;
   typedef InfallibleTArray<PluginWindowData> PluginsArray;
 
 public:
   LayerTransactionParent(LayerManagerComposite* aManager,
                          ShadowLayersManager* aLayersManager,
                          uint64_t aId);
@@ -89,30 +88,28 @@ public:
   }
 
   virtual void ReplyRemoveTexture(const OpReplyRemoveTexture& aReply) override;
 
 protected:
   virtual bool RecvShutdown() override;
 
   virtual bool RecvUpdate(EditArray&& cset,
-                          OpDestroyArray&& aToDestroy,
                           const uint64_t& aTransactionId,
                           const TargetConfig& targetConfig,
                           PluginsArray&& aPlugins,
                           const bool& isFirstPaint,
                           const bool& scheduleComposite,
                           const uint32_t& paintSequenceNumber,
                           const bool& isRepeatTransaction,
                           const mozilla::TimeStamp& aTransactionStart,
                           const int32_t& aPaintSyncId,
                           EditReplyArray* reply) override;
 
   virtual bool RecvUpdateNoSwap(EditArray&& cset,
-                                OpDestroyArray&& aToDestroy,
                                 const uint64_t& aTransactionId,
                                 const TargetConfig& targetConfig,
                                 PluginsArray&& aPlugins,
                                 const bool& isFirstPaint,
                                 const bool& scheduleComposite,
                                 const uint32_t& paintSequenceNumber,
                                 const bool& isRepeatTransaction,
                                 const mozilla::TimeStamp& aTransactionStart,

--- a/gfx/layers/ipc/LayersMessages.ipdlh
+++ b/gfx/layers/ipc/LayersMessages.ipdlh
@@ -466,22 +466,16 @@ union Edit {
   OpRaiseToTopChild;
 
   OpAttachCompositable;
   OpAttachAsyncCompositable;
 
   CompositableOperation;
 };
 
-// Operations related to destroying resources, always handled after the other
-// operations for safety.
-union OpDestroy {
-  PTexture;
-  PCompositable;
-};
 
 // Replies to operations
 
 struct OpContentBufferSwap {
   PCompositable compositable;
   nsIntRegion frontUpdatedRegion;
 };
 

--- a/gfx/layers/ipc/PImageBridge.ipdl
+++ b/gfx/layers/ipc/PImageBridge.ipdl
@@ -37,20 +37,18 @@ sync protocol PImageBridge
 child:
   async ParentAsyncMessages(AsyncParentMessageData[] aMessages);
 
   async DidComposite(ImageCompositeNotification[] aNotifications);
 
 parent:
   async ImageBridgeThreadId(PlatformThreadId aTreahdId);
 
-  sync Update(CompositableOperation[] ops, OpDestroy[] toDestroy)
-    returns (EditReply[] reply);
-
-  async UpdateNoSwap(CompositableOperation[] ops, OpDestroy[] toDestroy);
+  sync Update(CompositableOperation[] ops) returns (EditReply[] reply);
+  async UpdateNoSwap(CompositableOperation[] ops);
 
   // First step of the destruction sequence. This puts ImageBridge
   // in a state in which it can't send asynchronous messages
   // so as to not race with the upcomming Stop message and destruction.
   // In the child side, the Stop message is not sent right after WillStop,
   // it is scheduled in the ImageBridgeChild's message queue in order to ensure
   // that all of the messages from the parent side have been received and processed
   // before sending Stop, and that after Stop returns, there is no message in

--- a/gfx/layers/ipc/PLayerTransaction.ipdl
+++ b/gfx/layers/ipc/PLayerTransaction.ipdl
@@ -50,28 +50,26 @@ child:
 
 parent:
   async PLayer();
   async PCompositable(TextureInfo aTextureInfo);
   async PTexture(SurfaceDescriptor aSharedData, LayersBackend aBackend, TextureFlags aTextureFlags);
 
   // The isFirstPaint flag can be used to indicate that this is the first update
   // for a particular document.
-  sync Update(Edit[] cset, OpDestroy[] toDestroy,
-              uint64_t id, TargetConfig targetConfig,
+  sync Update(Edit[] cset, uint64_t id, TargetConfig targetConfig,
               PluginWindowData[] plugins, bool isFirstPaint,
               bool scheduleComposite, uint32_t paintSequenceNumber,
               bool isRepeatTransaction, TimeStamp transactionStart,
               int32_t paintSyncId)
     returns (EditReply[] reply);
 
   // We don't need to send a sync transaction if
   // no transaction operate require a swap.
-  async UpdateNoSwap(Edit[] cset, OpDestroy[] toDestroy,
-                     uint64_t id, TargetConfig targetConfig,
+  async UpdateNoSwap(Edit[] cset, uint64_t id, TargetConfig targetConfig,
                      PluginWindowData[] plugins, bool isFirstPaint,
                      bool scheduleComposite, uint32_t paintSequenceNumber,
                      bool isRepeatTransaction, TimeStamp transactionStart,
                      int32_t paintSyncId);
 
   // Testing APIs
 
   // Enter test mode, set the sample time to sampleTime, and resample

--- a/gfx/layers/ipc/ShadowLayers.cpp
+++ b/gfx/layers/ipc/ShadowLayers.cpp
@@ -12,17 +12,16 @@
 #include "ISurfaceAllocator.h"          // for IsSurfaceDescriptorValid
 #include "Layers.h"                     // for Layer
 #include "RenderTrace.h"                // for RenderTraceScope
 #include "ShadowLayerChild.h"           // for ShadowLayerChild
 #include "gfx2DGlue.h"                  // for Moz2D transition helpers
 #include "gfxPlatform.h"                // for gfxImageFormat, gfxPlatform
 #include "gfxSharedImageSurface.h"      // for gfxSharedImageSurface
 #include "ipc/IPCMessageUtils.h"        // for gfxContentType, null_t
-#include "IPDLActor.h"
 #include "mozilla/Assertions.h"         // for MOZ_ASSERT, etc
 #include "mozilla/gfx/Point.h"          // for IntSize
 #include "mozilla/layers/CompositableClient.h"  // for CompositableClient, etc
 #include "mozilla/layers/LayersMessages.h"  // for Edit, etc
 #include "mozilla/layers/LayersSurfaces.h"  // for SurfaceDescriptor, etc
 #include "mozilla/layers/LayersTypes.h"  // for MOZ_LAYERS_LOG
 #include "mozilla/layers/LayerTransactionChild.h"
 #include "ShadowLayerUtils.h"
@@ -44,17 +43,16 @@ using namespace mozilla::gfx;
 using namespace mozilla::gl;
 using namespace mozilla::ipc;
 
 class ClientTiledLayerBuffer;
 
 typedef nsTArray<SurfaceDescriptor> BufferArray;
 typedef std::vector<Edit> EditVector;
 typedef std::set<ShadowableLayer*> ShadowableLayerSet;
-typedef nsTArray<OpDestroy> OpDestroyVector;
 
 class Transaction
 {
 public:
   Transaction()
     : mTargetRotation(ROTATION_0)
     , mSwapRequired(false)
     , mOpen(false)
@@ -115,56 +113,33 @@ public:
     MOZ_ASSERT(!Finished(), "forgot BeginTransaction?");
     mMutants.insert(aLayer);
   }
   void End()
   {
     mCset.clear();
     mPaints.clear();
     mMutants.clear();
-    mDestroyedActors.Clear();
     mOpen = false;
     mSwapRequired = false;
     mRotationChanged = false;
   }
 
   bool Empty() const {
-    return mCset.empty() && mPaints.empty() && mMutants.empty()
-           && mDestroyedActors.IsEmpty();
+    return mCset.empty() && mPaints.empty() && mMutants.empty();
   }
   bool RotationChanged() const {
     return mRotationChanged;
   }
   bool Finished() const { return !mOpen && Empty(); }
 
   bool Opened() const { return mOpen; }
 
-  void FallbackDestroyActors()
-  {
-    for (auto& actor : mDestroyedActors) {
-      switch (actor.type()) {
-      case OpDestroy::TPTextureChild: {
-        DebugOnly<bool> ok = TextureClient::DestroyFallback(actor.get_PTextureChild());
-        MOZ_ASSERT(ok);
-        break;
-      }
-      case OpDestroy::TPCompositableChild: {
-        DebugOnly<bool> ok = CompositableClient::DestroyFallback(actor.get_PCompositableChild());
-        MOZ_ASSERT(ok);
-        break;
-      }
-      default: MOZ_CRASH();
-      }
-    }
-    mDestroyedActors.Clear();
-  }
-
   EditVector mCset;
   EditVector mPaints;
-  OpDestroyVector mDestroyedActors;
   ShadowableLayerSet mMutants;
   gfx::IntRect mTargetBounds;
   ScreenRotation mTargetRotation;
   dom::ScreenOrientationInternal mTargetOrientation;
   bool mSwapRequired;
 
 private:
   bool mOpen;
@@ -195,19 +170,16 @@ ShadowLayerForwarder::ShadowLayerForward
  , mPaintSyncId(0)
 {
   mTxn = new Transaction();
 }
 
 ShadowLayerForwarder::~ShadowLayerForwarder()
 {
   MOZ_ASSERT(mTxn->Finished(), "unfinished transaction?");
-  if (!mTxn->mDestroyedActors.IsEmpty()) {
-    mTxn->FallbackDestroyActors();
-  }
   delete mTxn;
   if (mShadowManager) {
     mShadowManager->SetForwarder(nullptr);
     mShadowManager->Destroy();
   }
 }
 
 void
@@ -438,43 +410,16 @@ ShadowLayerForwarder::UseOverlaySource(C
   MOZ_ASSERT(aCompositable);
   MOZ_ASSERT(aCompositable->IsConnected());
 
   mTxn->AddEdit(OpUseOverlaySource(nullptr, aCompositable->GetIPDLActor(),
       aOverlay, aPictureRect));
 }
 #endif
 
-static bool
-AddOpDestroy(Transaction* aTxn, const OpDestroy& op, bool synchronously)
-{
-  if (!aTxn->Opened()) {
-    return false;
-  }
-
-  aTxn->mDestroyedActors.AppendElement(op);
-  if (synchronously) {
-    aTxn->MarkSyncTransaction();
-  }
-
-  return true;
-}
-
-bool
-ShadowLayerForwarder::DestroyInTransaction(PTextureChild* aTexture, bool synchronously)
-{
-  return AddOpDestroy(mTxn, OpDestroy(aTexture), synchronously);
-}
-
-bool
-ShadowLayerForwarder::DestroyInTransaction(PCompositableChild* aCompositable, bool synchronously)
-{
-  return AddOpDestroy(mTxn, OpDestroy(aCompositable), synchronously);
-}
-
 void
 ShadowLayerForwarder::RemoveTextureFromCompositable(CompositableClient* aCompositable,
                                                     TextureClient* aTexture)
 {
   MOZ_ASSERT(aCompositable);
   MOZ_ASSERT(aTexture);
   MOZ_ASSERT(aCompositable->IsConnected());
   MOZ_ASSERT(aTexture->GetIPDLActor());
@@ -483,16 +428,18 @@ ShadowLayerForwarder::RemoveTextureFromC
     return;
   }
 
   mTxn->AddEdit(OpRemoveTexture(nullptr, aCompositable->GetIPDLActor(),
                                 nullptr, aTexture->GetIPDLActor()));
   if (aTexture->GetFlags() & TextureFlags::DEALLOCATE_CLIENT) {
     mTxn->MarkSyncTransaction();
   }
+  // Hold texture until transaction complete.
+  HoldUntilTransaction(aTexture);
 }
 
 void
 ShadowLayerForwarder::RemoveTextureFromCompositableAsync(AsyncTransactionTracker* aAsyncTransactionTracker,
                                                      CompositableClient* aCompositable,
                                                      TextureClient* aTexture)
 {
   MOZ_ASSERT(aCompositable);
@@ -695,39 +642,35 @@ ShadowLayerForwarder::EndTransaction(Inf
   }
 
   profiler_tracing("Paint", "Rasterize", TRACING_INTERVAL_END);
   if (mTxn->mSwapRequired) {
     MOZ_LAYERS_LOG(("[LayersForwarder] sending transaction..."));
     RenderTraceScope rendertrace3("Forward Transaction", "000093");
     if (!HasShadowManager() ||
         !mShadowManager->IPCOpen() ||
-        !mShadowManager->SendUpdate(cset, mTxn->mDestroyedActors,
-                                    aId, targetConfig, mPluginWindowData,
+        !mShadowManager->SendUpdate(cset, aId, targetConfig, mPluginWindowData,
                                     mIsFirstPaint, aScheduleComposite,
                                     aPaintSequenceNumber, aIsRepeatTransaction,
                                     aTransactionStart, mPaintSyncId, aReplies)) {
       MOZ_LAYERS_LOG(("[LayersForwarder] WARNING: sending transaction failed!"));
-      mTxn->FallbackDestroyActors();
       return false;
     }
   } else {
     // If we don't require a swap we can call SendUpdateNoSwap which
     // assumes that aReplies is empty (DEBUG assertion)
     MOZ_LAYERS_LOG(("[LayersForwarder] sending no swap transaction..."));
     RenderTraceScope rendertrace3("Forward NoSwap Transaction", "000093");
     if (!HasShadowManager() ||
         !mShadowManager->IPCOpen() ||
-        !mShadowManager->SendUpdateNoSwap(cset, mTxn->mDestroyedActors,
-                                          aId, targetConfig, mPluginWindowData,
+        !mShadowManager->SendUpdateNoSwap(cset, aId, targetConfig, mPluginWindowData,
                                           mIsFirstPaint, aScheduleComposite,
                                           aPaintSequenceNumber, aIsRepeatTransaction,
                                           aTransactionStart, mPaintSyncId)) {
       MOZ_LAYERS_LOG(("[LayersForwarder] WARNING: sending transaction failed!"));
-      mTxn->FallbackDestroyActors();
       return false;
     }
   }
 
   *aSent = true;
   mIsFirstPaint = false;
   mPaintSyncId = 0;
   MOZ_LAYERS_LOG(("[LayersForwarder] ... done"));

--- a/gfx/layers/ipc/ShadowLayers.h
+++ b/gfx/layers/ipc/ShadowLayers.h
@@ -209,19 +209,16 @@ public:
                ShadowableLayer* aMaskLayer);
 
   /**
    * See CompositableForwarder::UseTiledLayerBuffer
    */
   virtual void UseTiledLayerBuffer(CompositableClient* aCompositable,
                                    const SurfaceDescriptorTiles& aTileLayerDescriptor) override;
 
-  virtual bool DestroyInTransaction(PTextureChild* aTexture, bool synchronously) override;
-  virtual bool DestroyInTransaction(PCompositableChild* aCompositable, bool synchronously) override;
-
   virtual void RemoveTextureFromCompositable(CompositableClient* aCompositable,
                                              TextureClient* aTexture) override;
 
   virtual void RemoveTextureFromCompositableAsync(AsyncTransactionTracker* aAsyncTransactionTracker,
                                                   CompositableClient* aCompositable,
                                                   TextureClient* aTexture) override;
 
   /**