Add PlatformPictureSkia and RecordingPlatformDeviceSkia.

cc/SkPictureCanvasLayerTextureUpdater.h

Index: cc/SkPictureCanvasLayerTextureUpdater.h
diff --git a/cc/SkPictureCanvasLayerTextureUpdater.h b/cc/SkPictureCanvasLayerTextureUpdater.h
index fd9bb5fccd170383de814df2c0b61b11d2777a55..6536de6de77a5961557841e40222823f41ea5626 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;
@@ -38,7 +41,7 @@ protected:
 
 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;
 };