Rename WebKit namespace to blink

Source/web/tests/CompositedLayerMappingTest.cpp

 /*
  * 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
@@ skipping 25 matching lines @@
 #include "WebSettings.h"
 #include "WebViewClient.h"
 #include "WebViewImpl.h"
 #include "core/dom/Document.h"
 #include "core/frame/FrameView.h"
 #include "public/platform/Platform.h"
 #include "public/platform/WebUnitTestSupport.h"
 
 #include <gtest/gtest.h>
 
-using namespace WebKit;
+using namespace blink;
 
 namespace WebCore {
 
 namespace {
 
 class MockWebViewClient : public WebViewClient {
 public:
     virtual void initializeLayerTreeView()
     {
         m_layerTreeView = adoptPtr(Platform::current()->unitTestSupport()->createLayerTreeViewForTesting(WebUnitTestSupport::TestViewTypeUnitTest));
@@ skipping 72 matching lines @@
 
     layerElement = document->getElementById("layer-solid-color");
     renderer = toRenderLayerModelObject(layerElement->renderer());
     // CompositedLayerMapping::graphicsLayer's background color is unset if SolidColorLayer is created.
     EXPECT_EQ(Color(), renderer->layer()->compositedLayerMapping()->mainGraphicsLayer()->backgroundColor());
 }
 
 }
 
 } // namespace WebCore