Rename WebKit namespace to blink

public/platform/WebNinePatchLayer.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 18 matching lines @@
  */
 
 #ifndef WebNinePatchLayer_h
 #define WebNinePatchLayer_h
 
 #include "WebCommon.h"
 #include "WebLayer.h"
 #include "WebRect.h"
 #include "third_party/skia/include/core/SkBitmap.h"
 
-namespace WebKit {
+namespace blink {
 
 class WebNinePatchLayer {
 public:
     virtual ~WebNinePatchLayer() { }
 
     virtual WebLayer* layer() = 0;
     virtual void setBitmap(SkBitmap, const WebRect& aperture) = 0;
 };
 
-} // namespace WebKit
+} // namespace blink
 
 #endif // WebNinePatchLayer_h