Change cc files from namespace WebCore to cc

cc/CCLayerTreeHostCommon.h

 // Copyright 2011 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef CCLayerTreeHostCommon_h
 #define CCLayerTreeHostCommon_h
 
 #include "IntRect.h"
 #include "IntSize.h"
 #include <public/WebTransformationMatrix.h>
 #include <wtf/RefPtr.h>
 #include <wtf/Vector.h>
 
-namespace WebCore {
+namespace cc {
 
 class CCLayerImpl;
 class CCLayerSorter;
 class LayerChromium;
 
 class CCLayerTreeHostCommon {
 public:
     static IntRect calculateVisibleRect(const IntRect& targetSurfaceRect, const IntRect& layerBoundRect, const WebKit::WebTransformationMatrix&);
 
     static void calculateDrawTransforms(LayerChromium* rootLayer, const IntSize& deviceViewportSize, float deviceScaleFactor, int maxTextureSize, Vector<RefPtr<LayerChromium> >& renderSurfaceLayerList);
@@ skipping 48 matching lines @@
     if (rootLayer->replicaLayer() && rootLayer->replicaLayer()->id() == layerId)
         return rootLayer->replicaLayer();
 
     for (size_t i = 0; i < rootLayer->children().size(); ++i) {
         if (LayerType* found = findLayerInSubtree(rootLayer->children()[i].get(), layerId))
             return found;
     }
     return 0;
 }
 
-} // namespace WebCore
+} // namespace cc
 
 #endif