Rename WebCore namespace to blink in Platform

Source/platform/graphics/ImageBufferSurface.h

 /*
  * Copyright (c) 2013, Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
  * met:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 24 matching lines @@
 #include "platform/geometry/IntSize.h"
 #include "platform/graphics/GraphicsTypes3D.h"
 #include "wtf/FastAllocBase.h"
 #include "wtf/Noncopyable.h"
 
 class SkCanvas;
 class SkBitmap;
 
 namespace blink { class WebLayer; }
 
-namespace WebCore {
+namespace blink {
 
 class ImageBuffer;
 
 enum OpacityMode {
     NonOpaque,
     Opaque,
 };
 
 class PLATFORM_EXPORT ImageBufferSurface {
     WTF_MAKE_NONCOPYABLE(ImageBufferSurface); WTF_MAKE_FAST_ALLOCATED;
@@ skipping 22 matching lines @@
 
 protected:
     ImageBufferSurface(const IntSize&, OpacityMode);
     void clear();
 
 private:
     OpacityMode m_opacityMode;
     IntSize m_size;
 };
 
-} // namespace WebCore
+} // namespace blink
 
 #endif