Remove CSSCompositing

sky/engine/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 147 matching lines @@
     bool contentsOpaque() const { return m_contentsOpaque; }
     void setContentsOpaque(bool);
 
     bool backfaceVisibility() const { return m_backfaceVisibility; }
     void setBackfaceVisibility(bool visible);
 
     float opacity() const { return m_opacity; }
     void setOpacity(float);
 
     void setBlendMode(WebBlendMode);
-    void setIsRootForIsolatedGroup(bool);
 
     void setFilters(const FilterOperations&);
 
     // Some GraphicsLayers paint only the foreground or the background content
     void setPaintingPhase(GraphicsLayerPaintingPhase);
 
     void setNeedsDisplay();
     // mark the given rect (in layer coords) as needing dispay. Never goes deep.
     void setNeedsDisplayInRect(const FloatRect&);
 
@@ skipping 104 matching lines @@
 
     WebBlendMode m_blendMode;
 
     bool m_hasTransformOrigin : 1;
     bool m_contentsOpaque : 1;
     bool m_shouldFlattenTransform: 1;
     bool m_backfaceVisibility : 1;
     bool m_masksToBounds : 1;
     bool m_drawsContent : 1;
     bool m_contentsVisible : 1;
-    bool m_isRootForIsolatedGroup : 1;
 
     bool m_hasScrollParent : 1;
     bool m_hasClipParent : 1;
 
     GraphicsLayerPaintingPhase m_paintingPhase;
 
     Vector<GraphicsLayer*> m_children;
     GraphicsLayer* m_parent;
 
     GraphicsLayer* m_maskLayer; // Reference to mask layer. We don't own this.
@@ skipping 22 matching lines @@
 };
 
 } // namespace blink
 
 #ifndef NDEBUG
 // Outside the WebCore namespace for ease of invocation from gdb.
 void PLATFORM_EXPORT showGraphicsLayerTree(const blink::GraphicsLayer*);
 #endif
 
 #endif // GraphicsLayer_h