Change cc files from namespace WebCore to cc

cc/CCOverdrawMetrics.cpp

 // 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.
 
 #include "config.h"
 
 #if USE(ACCELERATED_COMPOSITING)
 
 #include "CCOverdrawMetrics.h"
 
 #include "CCLayerTreeHost.h"
 #include "CCLayerTreeHostImpl.h"
 #include "CCMathUtil.h"
 #include "FloatQuad.h"
 #include "IntRect.h"
 #include "TraceEvent.h"
 #include <public/Platform.h>
 #include <public/WebTransformationMatrix.h>
 
 using WebKit::WebTransformationMatrix;
 
-namespace WebCore {
+namespace cc {
 
 CCOverdrawMetrics::CCOverdrawMetrics(bool recordMetricsForFrame)
     : m_recordMetricsForFrame(recordMetricsForFrame)
     , m_pixelsPainted(0)
     , m_pixelsUploadedOpaque(0)
     , m_pixelsUploadedTranslucent(0)
     , m_tilesCulledForUpload(0)
     , m_contentsTextureUseBytes(0)
     , m_renderSurfaceTextureUseBytes(0)
     , m_pixelsDrawnOpaque(0)
@@ skipping 145 matching lines @@
             TRACE_EVENT1("cc", "CCOverdrawPaintMetrics", "PixelsPainted", m_pixelsPainted);
         }
         {
             // This must be in a different scope than the TRACE_EVENTs above.
             TRACE_EVENT2("cc", "CCOverdrawPaintMetrics", "ContentsTextureBytes", m_contentsTextureUseBytes, "RenderSurfaceTextureBytes", m_renderSurfaceTextureUseBytes);
         }
         break;
     }
 }
 
-} // namespace WebCore
+} // namespace cc
 
 #endif