Add PlatformPictureSkia and RecordingPlatformDeviceSkia.

cc/SkPictureCanvasLayerTextureUpdater.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 SkPictureCanvasLayerTextureUpdater_h
 #define SkPictureCanvasLayerTextureUpdater_h
 
 #if USE(ACCELERATED_COMPOSITING)
 
 #include "CanvasLayerTextureUpdater.h"
-#include "SkPicture.h"
 
 class SkCanvas;
 
+namespace skia {
+class PlatformPictureSkia;
+}
+
 namespace WebCore {
 
 class LayerPainterChromium;
 
 // This class records the contentRect into an SkPicture. Subclasses, provide
 // different implementations of tile updating based on this recorded picture.
 // The BitmapSkPictureCanvasLayerTextureUpdater and
 // FrameBufferSkPictureCanvasLayerTextureUpdater are two examples of such
 // implementations.
 class SkPictureCanvasLayerTextureUpdater : public CanvasLayerTextureUpdater {
 public:
     virtual ~SkPictureCanvasLayerTextureUpdater();
 
     virtual void setOpaque(bool) OVERRIDE;
 
 protected:
     explicit SkPictureCanvasLayerTextureUpdater(PassOwnPtr<LayerPainterChromium>);
 
     virtual void prepareToUpdate(const IntRect& contentRect, const IntSize& tileSize, float contentsWidthScale, float contentsHeightScale, IntRect& resultingOpaqueRect, CCRenderingStats&) OVERRIDE;
     void drawPicture(SkCanvas*);
 
     bool layerIsOpaque() const { return m_layerIsOpaque; }
 
 private:
     // Recording canvas.
-    SkPicture m_picture;
+    OwnPtr<skia::PlatformPictureSkia> m_picture;
     // True when it is known that all output pixels will be opaque.
     bool m_layerIsOpaque;
 };
 
 } // namespace WebCore
 #endif // USE(ACCELERATED_COMPOSITING)
 #endif // SkPictureCanvasLayerTextureUpdater_h