Change cc files from namespace WebCore to cc

cc/CCOverdrawMetrics.h

 // Copyright 2012 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 CCOverdrawMetrics_h
 #define CCOverdrawMetrics_h
 
 #include <wtf/PassOwnPtr.h>
 
 namespace WebKit {
 class WebTransformationMatrix;
 }
 
-namespace WebCore {
+namespace cc {
 class IntRect;
 class CCLayerTreeHost;
 class CCLayerTreeHostImpl;
 
 // FIXME: compute overdraw metrics only occasionally, not every frame.
 class CCOverdrawMetrics {
 public:
     static PassOwnPtr<CCOverdrawMetrics> create(bool recordMetricsForFrame) { return adoptPtr(new CCOverdrawMetrics(recordMetricsForFrame)); }
 
     // These methods are used for saving metrics during update/commit.
@@ skipping 60 matching lines @@
     // These values are used for saving metrics during draw.
 
     // Count of pixels that are opaque (and thus occlude). Ideally this is no more than wiewport width x height.
     float m_pixelsDrawnOpaque;
     // Count of pixels that are possibly translucent, and cannot occlude.
     float m_pixelsDrawnTranslucent;
     // Count of pixels not drawn as they are occluded by somthing opaque.
     float m_pixelsCulledForDrawing;
 };
 
-} // namespace WebCore
+} // namespace cc
 
 #endif