Change cc files from namespace WebCore to cc

cc/TreeSynchronizer.cpp

 // 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.
 
 #include "config.h"
 
 #include "TreeSynchronizer.h"
 
 #include "CCLayerImpl.h"
 #include "CCScrollbarAnimationController.h"
 #include "CCScrollbarLayerImpl.h"
 #include "LayerChromium.h"
 #include "ScrollbarLayerChromium.h"
 #include <wtf/RefPtr.h>
 
-namespace WebCore {
+namespace cc {
 
 PassOwnPtr<CCLayerImpl> TreeSynchronizer::synchronizeTrees(LayerChromium* layerChromiumRoot, PassOwnPtr<CCLayerImpl> oldCCLayerImplRoot, CCLayerTreeHostImpl* hostImpl)
 {
     OwnPtrCCLayerImplMap oldLayers;
     RawPtrCCLayerImplMap newLayers;
 
     collectExistingCCLayerImplRecursive(oldLayers, oldCCLayerImplRoot);
 
     OwnPtr<CCLayerImpl> newTree = synchronizeTreeRecursive(newLayers, oldLayers, layerChromiumRoot, hostImpl);
 
@@ skipping 75 matching lines @@
     ASSERT(ccScrollbarLayerImpl);
     CCLayerImpl* ccScrollLayerImpl = newLayers.get(scrollbarLayer->scrollLayerId());
     ASSERT(ccScrollLayerImpl);
 
     if (ccScrollbarLayerImpl->orientation() == WebKit::WebScrollbar::Horizontal)
         ccScrollLayerImpl->setHorizontalScrollbarLayer(ccScrollbarLayerImpl);
     else
         ccScrollLayerImpl->setVerticalScrollbarLayer(ccScrollbarLayerImpl);
 }
 
-} // namespace WebCore
+} // namespace cc