Rename WebCore namespace to blink in Platform

Source/platform/graphics/DiscardablePixelRef.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:
  * 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
  *    notice, this list of conditions and the following disclaimer in the
@@ skipping 16 matching lines @@
 #define DiscardablePixelRef_h
 
 #include "SkBitmap.h"
 #include "SkPixelRef.h"
 
 #include "platform/PlatformExport.h"
 #include "public/platform/WebDiscardableMemory.h"
 #include "wtf/OwnPtr.h"
 #include "wtf/PassOwnPtr.h"
 
-namespace WebCore {
+namespace blink {
 
 // Class for allocating the DiscardablePixelRef object.
 class PLATFORM_EXPORT DiscardablePixelRefAllocator : public SkBitmap::Allocator {
     // SkBitmap::Allocator implementation. The discardable memory allocated
     // after this call is locked and will not be purged until next
     // onUnlockPixels().
     virtual bool allocPixelRef(SkBitmap*, SkColorTable*) OVERRIDE;
 };
 
 // PixelRef object whose memory can be discarded when pixels are unlocked.
@@ skipping 10 matching lines @@
     virtual bool onNewLockPixels(LockRec*) OVERRIDE;
     virtual void onUnlockPixels() OVERRIDE;
 
 private:
     void* m_lockedMemory;
     OwnPtr<blink::WebDiscardableMemory> m_discardable;
     OwnPtr<SkMutex> m_mutex;
     size_t m_rowBytes;
 };
 
-} // namespace WebCore
+} // namespace blink
 
 #endif