Revert "Move ViewDisplayList to GraphicsLayer"

Source/platform/graphics/GraphicsLayer.h

 /*
  * Copyright (C) 2009 Apple Inc. All rights reserved.
  * Copyright (C) 2013 Intel Corporation. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  * 1. Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
  * 2. Redistributions in binary form must reproduce the above copyright
@@ skipping 33 matching lines @@
 #include "public/platform/WebImageLayer.h"
 #include "public/platform/WebLayerClient.h"
 #include "public/platform/WebLayerScrollClient.h"
 #include "public/platform/WebNinePatchLayer.h"
 #include "wtf/OwnPtr.h"
 #include "wtf/PassOwnPtr.h"
 #include "wtf/Vector.h"
 
 namespace blink {
 
-class DisplayItemList;
 class FloatRect;
 class GraphicsContext;
 class GraphicsLayer;
 class GraphicsLayerFactory;
 class GraphicsLayerFactoryChromium;
 class Image;
 class JSONObject;
 class ScrollableArea;
 class WebCompositorAnimation;
 class WebLayer;
@@ skipping 171 matching lines @@
     // GraphicsContextPainter implementation.
     virtual void paint(GraphicsContext&, const IntRect& clip) override;
 
     // WebCompositorAnimationDelegate implementation.
     virtual void notifyAnimationStarted(double monotonicTime, int group) override;
     virtual void notifyAnimationFinished(double monotonicTime, int group) override;
 
     // WebLayerScrollClient implementation.
     virtual void didScroll() override;
 
-    DisplayItemList& displayItemList();
-
 protected:
     String debugName(WebLayer*) const;
 
     explicit GraphicsLayer(GraphicsLayerClient*);
     // GraphicsLayerFactoryChromium that wants to create a GraphicsLayer need to be friends.
     friend class GraphicsLayerFactoryChromium;
-    // for testing
-    friend class FakeGraphicsLayerFactory;
 
     // Exposed for tests.
     virtual WebLayer* contentsLayer() const { return m_contentsLayer; }
 
 private:
     // Callback from the underlying graphics system to draw layer contents.
     void paintGraphicsLayerContents(GraphicsContext&, const IntRect& clip);
 
     // Adds a child without calling updateChildList(), so that adding children
     // can be batched before updating.
@@ skipping 73 matching lines @@
     // on.
     int m_contentsLayerId;
 
     Vector<LinkHighlightClient*> m_linkHighlights;
 
     OwnPtr<ContentLayerDelegate> m_contentLayerDelegate;
 
     ScrollableArea* m_scrollableArea;
     GraphicsLayerDebugInfo m_debugInfo;
     int m_3dRenderingContext;
-
-    OwnPtr<DisplayItemList> m_displayItemList;
 };
 
 } // namespace blink
 
 #ifndef NDEBUG
 // Outside the blink namespace for ease of invocation from gdb.
 void PLATFORM_EXPORT showGraphicsLayerTree(const blink::GraphicsLayer*);
 #endif
 
 #endif // GraphicsLayer_h