Rename WebCore namespace to blink in Platform

Source/platform/ColorChooserClient.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 20 matching lines @@
 #ifndef ColorChooserClient_h
 #define ColorChooserClient_h
 
 #include "platform/ColorSuggestion.h"
 #include "platform/PlatformExport.h"
 #include "platform/geometry/IntRect.h"
 #include "wtf/OwnPtr.h"
 #include "wtf/PassOwnPtr.h"
 #include "wtf/Vector.h"
 
-namespace WebCore {
+namespace blink {
 
 class PLATFORM_EXPORT ColorChooserClient {
 public:
     virtual ~ColorChooserClient();
 
     virtual void didChooseColor(const Color&) = 0;
     virtual void didEndChooser() = 0;
     virtual IntRect elementRectRelativeToRootView() const = 0;
     virtual Color currentColor() = 0;
     virtual bool shouldShowSuggestions() const = 0;
     virtual Vector<ColorSuggestion> suggestions() const = 0;
 };
 
-} // namespace WebCore
+} // namespace blink
 
 #endif // ColorChooserClient_h