Rename WebCore namespace to blink in Platform

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 37 matching lines @@
 #include "wtf/OwnPtr.h"
 #include "wtf/PassOwnPtr.h"
 #include "wtf/Vector.h"
 
 namespace blink {
 class GraphicsLayerFactoryChromium;
 class WebAnimation;
 class WebLayer;
 }
 
-namespace WebCore {
+namespace blink {
 
 class FloatRect;
 class GraphicsContext;
 class GraphicsLayer;
 class GraphicsLayerFactory;
 class Image;
 class JSONObject;
 class ScrollableArea;
 class TextStream;
 
@@ skipping 287 matching lines @@
 
     Vector<LinkHighlightClient*> m_linkHighlights;
 
     OwnPtr<OpaqueRectTrackingContentLayerDelegate> m_opaqueRectTrackingContentLayerDelegate;
 
     ScrollableArea* m_scrollableArea;
     GraphicsLayerDebugInfo m_debugInfo;
     int m_3dRenderingContext;
 };
 
-} // namespace WebCore
+} // namespace blink
 
 #ifndef NDEBUG
 // Outside the WebCore namespace for ease of invocation from gdb.
-void PLATFORM_EXPORT showGraphicsLayerTree(const WebCore::GraphicsLayer*);
+void PLATFORM_EXPORT showGraphicsLayerTree(const blink::GraphicsLayer*);
 #endif
 
 #endif // GraphicsLayer_h