Change cc files from namespace WebCore to cc

cc/PlatformColor.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 PlatformColor_h
 #define PlatformColor_h
 
 #include "Extensions3D.h"
 #include "GraphicsContext3D.h"
 #include "SkTypes.h" 
 #include <public/WebGraphicsContext3D.h>
 
-namespace WebCore {
+namespace cc {
 
 class PlatformColor {
 public:
     static GraphicsContext3D::SourceDataFormat format()
     {
         return SK_B32_SHIFT ? GraphicsContext3D::SourceFormatRGBA8 : GraphicsContext3D::SourceFormatBGRA8;
     }
 
     // Returns the most efficient texture format for this platform.
     static GC3Denum bestTextureFormat(WebKit::WebGraphicsContext3D* context, bool supportsBGRA8888)
@@ skipping 22 matching lines @@
             return textureFormat == GraphicsContext3D::RGBA;
         case GraphicsContext3D::SourceFormatBGRA8:
             return textureFormat == Extensions3D::BGRA_EXT;
         default:
             ASSERT_NOT_REACHED();
             return false;
         }
     }
 };
 
-} // namespace WebCore
+} // namespace cc
 
 #endif