Change cc files from namespace WebCore to cc

cc/CCAppendQuadsData.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 CCAppendQuadsData_h
 #define CCAppendQuadsData_h
 
-namespace WebCore {
+namespace cc {
 
 struct CCAppendQuadsData {
     CCAppendQuadsData()
         : hadOcclusionFromOutsideTargetSurface(false)
         , hadMissingTiles(false)
     {
     }
 
     // Set by the QuadCuller.
     bool hadOcclusionFromOutsideTargetSurface;
     // Set by the layer appending quads.
     bool hadMissingTiles;
 };
 
 }
 #endif // CCCCAppendQuadsData_h