[cc] Rename all cc/ filenames to Chromium style

cc/CCLayerTilingData.h

-// Copyright 2011 The Chromium Authors. All rights reserved.
+// 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 CCLayerTilingData_h
-#define CCLayerTilingData_h
-
-#if USE(ACCELERATED_COMPOSITING)
-
-#include "base/basictypes.h"
-#include "IntRect.h"
-#include "Region.h"
-#include "TilingData.h"
-#include <wtf/HashMap.h>
-#include <wtf/HashTraits.h>
-#include <wtf/PassOwnPtr.h>
-
-namespace cc {
-
-class CCLayerTilingData {
-public:
-    enum BorderTexelOption { HasBorderTexels, NoBorderTexels };
-
-    ~CCLayerTilingData();
-
-    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&);
-    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 {
-    public:
-        Tile() : m_i(-1), m_j(-1) { }
-        virtual ~Tile() { }
-
-        int i() const { return m_i; }
-        int j() const { return m_j; }
-        void moveTo(int i, int j) { m_i = i; m_j = j; }
-
-        const IntRect& opaqueRect() const { return m_opaqueRect; }
-        void setOpaqueRect(const IntRect& opaqueRect) { m_opaqueRect = opaqueRect; }
-    private:
-        int m_i;
-        int m_j;
-        IntRect m_opaqueRect;
-        DISALLOW_COPY_AND_ASSIGN(Tile);
-    };
-    // Default hash key traits for integers disallow 0 and -1 as a key, so
-    // use a custom hash trait which disallows -1 and -2 instead.
-    typedef std::pair<int, int> TileMapKey;
-    struct TileMapKeyTraits : HashTraits<TileMapKey> {
-        static const bool emptyValueIsZero = false;
-        static const bool needsDestruction = false;
-        static TileMapKey emptyValue() { return std::make_pair(-1, -1); }
-        static void constructDeletedValue(TileMapKey& slot) { slot = std::make_pair(-2, -2); }
-        static bool isDeletedValue(TileMapKey value) { return value.first == -2 && value.second == -2; }
-    };
-    typedef HashMap<TileMapKey, OwnPtr<Tile>, DefaultHash<TileMapKey>::Hash, TileMapKeyTraits> TileMap;
-
-    void addTile(PassOwnPtr<Tile>, int, int);
-    PassOwnPtr<Tile> takeTile(int, int);
-    Tile* tileAt(int, int) const;
-    const TileMap& tiles() const { return m_tiles; }
-
-    void setBounds(const IntSize&);
-    IntSize bounds() const;
-
-    void contentRectToTileIndices(const IntRect&, int &left, int &top, int &right, int &bottom) const;
-    IntRect tileRect(const Tile*) const;
-
-    Region opaqueRegionInContentRect(const IntRect&) const;
-
-    void reset();
-
-protected:
-    CCLayerTilingData(const IntSize& tileSize, BorderTexelOption);
-
-    TileMap m_tiles;
-    TilingData m_tilingData;
-};
-
-}
-
-#endif // USE(ACCELERATED_COMPOSITING)
-
-#endif
+// Temporary forwarding header
+#include "cc/layer_tiling_data.h"