Add PlatformPictureSkia and RecordingPlatformDeviceSkia.

cc/SkPictureCanvasLayerTextureUpdater.h

Index: cc/SkPictureCanvasLayerTextureUpdater.h
diff --git a/cc/SkPictureCanvasLayerTextureUpdater.h b/cc/SkPictureCanvasLayerTextureUpdater.h
index fd9bb5fccd170383de814df2c0b61b11d2777a55..b31705778630790944115cd917bdb0ce6914e4b2 100644
--- a/cc/SkPictureCanvasLayerTextureUpdater.h
+++ b/cc/SkPictureCanvasLayerTextureUpdater.h
@@ -9,10 +9,13 @@
 #if USE(ACCELERATED_COMPOSITING)
 
 #include "CanvasLayerTextureUpdater.h"
-#include "SkPicture.h"
 
 class SkCanvas;
 
+namespace skia {
+class PlatformPictureSkia;
+}
+
 namespace cc {
 
 class LayerPainterChromium;
@@ -32,13 +35,13 @@ 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*);
+    void drawPictureInto(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;
 };