Bug 1143575. Remove unused CompositionNotifySink. r=nical

dom/plugins/ipc/PluginInstanceParent.cpp

@@ -393,17 +393,6 @@ PluginInstanceParent::AnswerNPN_SetValue_NPPVpluginUsesDOMForCursor(
     return true;
 }
 
-class NotificationSink : public CompositionNotifySink
-{
-public:
-  explicit NotificationSink(PluginInstanceParent* aInstance) : mInstance(aInstance)
-  { }
-
-  virtual void DidComposite() { mInstance->DidComposite(); }
-private:
-  PluginInstanceParent *mInstance;
-};
-
 bool
 PluginInstanceParent::AnswerNPN_SetValue_NPPVpluginDrawingModel(
     const int& drawingModel, NPError* result)

dom/plugins/ipc/PluginInstanceParent.h

@@ -33,7 +33,6 @@ class nsPluginInstanceOwner;
 namespace mozilla {
 namespace layers {
 class ImageContainer;
-class CompositionNotifySink;
 }
 namespace plugins {
 
@@ -343,7 +342,6 @@ private:
     bool mIsWhitelistedForShumway;
     NPWindowType mWindowType;
     int16_t            mDrawingModel;
-    nsAutoPtr<mozilla::layers::CompositionNotifySink> mNotifySink;
 
     nsDataHashtable<nsPtrHashKey<NPObject>, PluginScriptableObjectParent*> mScriptableObjects;
 

gfx/layers/ImageContainer.cpp

@@ -143,7 +143,6 @@ ImageContainer::ImageContainer(ImageContainer::Mode flag)
   mPreviousImagePainted(false),
   mImageFactory(new ImageFactory()),
   mRecycleBin(new BufferRecycleBin()),
-  mCompositionNotifySink(nullptr),
   mImageClient(nullptr)
 {
   if (ImageBridgeChild::IsCreated()) {

gfx/layers/ImageContainer.h

@@ -222,13 +222,6 @@ private:
   uint32_t mRecycledBufferSize;
 };
 
-class CompositionNotifySink
-{
-public:
-  virtual void DidComposite() = 0;
-  virtual ~CompositionNotifySink() {}
-};
-
 /**
  * A class that manages Image creation for a LayerManager. The only reason
  * we need a separate class here is that LayerManagers aren't threadsafe
@@ -505,14 +498,6 @@ public:
       mPaintCount++;
       mPreviousImagePainted = true;
     }
-
-    if (mCompositionNotifySink) {
-      mCompositionNotifySink->DidComposite();
-    }
-  }
-
-  void SetCompositionNotifySink(CompositionNotifySink *aSink) {
-    mCompositionNotifySink = aSink;
   }
 
 private:
@@ -565,8 +550,6 @@ private:
 
   nsRefPtr<BufferRecycleBin> mRecycleBin;
 
-  CompositionNotifySink *mCompositionNotifySink;
-
   // This member points to an ImageClient if this ImageContainer was
   // sucessfully created with ENABLE_ASYNC, or points to null otherwise.
   // 'unsuccessful' in this case only means that the ImageClient could not