Rename WebKit namespace to blink

Source/core/platform/graphics/gpu/DrawingBufferTest.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:
  *
  *     * 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 23 matching lines @@
 
 #include "core/platform/graphics/GraphicsContext3D.h"
 #include "core/platform/testing/FakeWebGraphicsContext3D.h"
 #include "public/platform/Platform.h"
 #include "wtf/RefPtr.h"
 
 #include <gmock/gmock.h>
 #include <gtest/gtest.h>
 
 using namespace WebCore;
-using namespace WebKit;
+using namespace blink;
 using testing::Test;
 using testing::_;
 
 namespace {
 
 class FakeContextEvictionManager : public ContextEvictionManager {
 public:
     void forciblyLoseOldestContext(const String& reason) { }
     IntSize oldestContextSize() { return IntSize(); }
 };
@@ skipping 14 matching lines @@
 };
 
 namespace {
 
 TEST_F(DrawingBufferTest, verifyNoNewBuffersAfterContextLostWithMailboxes)
 {
     // Tell the buffer its contents changed and context was lost.
     m_drawingBuffer->markContentsChanged();
     m_drawingBuffer->releaseResources();
 
-    WebKit::WebExternalTextureMailbox mailbox;
+    blink::WebExternalTextureMailbox mailbox;
     EXPECT_FALSE(m_drawingBuffer->prepareMailbox(&mailbox, 0));
 }
 
 } // namespace