Rename WebCore namespace to blink in Platform

Source/platform/graphics/Canvas2DLayerManagerTest.cpp

 /*
  * Copyright (C) 2012 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 18 matching lines @@
 #include "SkDevice.h"
 #include "SkSurface.h"
 #include "platform/graphics/test/MockWebGraphicsContext3D.h"
 #include "public/platform/Platform.h"
 #include "public/platform/WebGraphicsContext3DProvider.h"
 #include "public/platform/WebThread.h"
 
 #include <gmock/gmock.h>
 #include <gtest/gtest.h>
 
-using namespace WebCore;
+using namespace blink;
 using testing::InSequence;
 using testing::Return;
 using testing::Test;
 
 namespace {
 
 class MockWebGraphicsContext3DProvider : public blink::WebGraphicsContext3DProvider {
 public:
     MockWebGraphicsContext3DProvider(blink::WebGraphicsContext3D* context3d)
         : m_context3d(context3d) { }
@@ skipping 281 matching lines @@
     hiddenCanvasTest();
 }
 
 TEST_F(Canvas2DLayerManagerTest, testAddRemoveLayer)
 {
     addRemoveLayerTest();
 }
 
 } // unnamed namespace