Cleanup namespace usage in Source/web[A-V]*.cpp

Source/web/GraphicsLayerFactoryChromium.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 11 matching lines @@
  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
 #include "config.h"
 #include "web/GraphicsLayerFactoryChromium.h"
 
 #include "platform/graphics/GraphicsLayer.h"
 #include "web/WebViewImpl.h"
 
-using namespace blink;
-
 namespace blink {
 
 GraphicsLayerFactoryChromium::GraphicsLayerFactoryChromium(WebViewImpl* webView)
     : m_webView(webView)
 {
 }
 
 GraphicsLayerFactoryChromium::~GraphicsLayerFactoryChromium()
 {
 }
 
 PassOwnPtr<GraphicsLayer> GraphicsLayerFactoryChromium::createGraphicsLayer(GraphicsLayerClient* client)
 {
     OwnPtr<GraphicsLayer> layer = adoptPtr(new GraphicsLayer(client));
     m_webView->registerForAnimations(layer->platformLayer());
     return layer.release();
 }
 
 } // namespace blink