Rename WebKit namespace to blink

Source/web/PageOverlayList.h

 /*
  * Copyright (C) 2011 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.
  *
@@ skipping 20 matching lines @@
 
 #include "wtf/OwnPtr.h"
 #include "wtf/PassOwnPtr.h"
 #include "wtf/Vector.h"
 
 namespace WebCore {
 class GraphicsContext;
 class GraphicsLayer;
 }
 
-namespace WebKit {
+namespace blink {
 class PageOverlay;
 class WebPageOverlay;
 class WebViewImpl;
 
 class PageOverlayList {
 public:
     static PassOwnPtr<PageOverlayList> create(WebViewImpl*);
 
     ~PageOverlayList();
 
@@ skipping 14 matching lines @@
 
     explicit PageOverlayList(WebViewImpl*);
 
     // Returns the index of the client found. Otherwise, returns WTF::kNotFound.
     size_t find(WebPageOverlay*);
 
     WebViewImpl* m_viewImpl;
     PageOverlays m_pageOverlays;
 };
 
-} // namespace WebKit
+} // namespace blink
 
 #endif // PageOverlayList_h