Change cc files from namespace WebCore to cc

cc/CCLayerTilingData.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 CCLayerTilingData_h
 #define CCLayerTilingData_h
 
 #if USE(ACCELERATED_COMPOSITING)
 
 #include "IntRect.h"
 #include "Region.h"
 #include "TilingData.h"
 #include <wtf/HashMap.h>
 #include <wtf/HashTraits.h>
 #include <wtf/PassOwnPtr.h>
 
-namespace WebCore {
+namespace cc {
 
 class CCLayerTilingData {
 public:
     enum BorderTexelOption { HasBorderTexels, NoBorderTexels };
 
     static PassOwnPtr<CCLayerTilingData> create(const IntSize& tileSize, BorderTexelOption);
 
     bool hasEmptyBounds() const { return m_tilingData.hasEmptyBounds(); }
     int numTilesX() const { return m_tilingData.numTilesX(); }
     int numTilesY() const { return m_tilingData.numTilesY(); }
     IntRect tileBounds(int i, int j) const { return m_tilingData.tileBounds(i, j); }
     IntPoint textureOffset(int xIndex, int yIndex) const { return m_tilingData.textureOffset(xIndex, yIndex); }
 
     // Change the tile size. This may invalidate all the existing tiles.
     void setTileSize(const IntSize&);
-    const IntSize& tileSize() const;
+    IntSize tileSize() const;
     // Change the border texel setting. This may invalidate all existing tiles.
     void setBorderTexelOption(BorderTexelOption);
     bool hasBorderTexels() const { return m_tilingData.borderTexels(); }
 
     bool isEmpty() const { return hasEmptyBounds() || !tiles().size(); }
 
     const CCLayerTilingData& operator=(const CCLayerTilingData&);
 
     class Tile {
         WTF_MAKE_NONCOPYABLE(Tile);
@@ skipping 44 matching lines @@
 
     TileMap m_tiles;
     TilingData m_tilingData;
 };
 
 }
 
 #endif // USE(ACCELERATED_COMPOSITING)
 
 #endif