Add PlatformPictureSkia and RecordingPlatformDeviceSkia.

cc/SkPictureCanvasLayerTextureUpdater.cpp

 // 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.
 
 
 #include "config.h"
 
 #if USE(ACCELERATED_COMPOSITING)
 
 #include "SkPictureCanvasLayerTextureUpdater.h"
 
 #include "LayerPainterChromium.h"
 #include "SkCanvas.h"
 #include "TraceEvent.h"
+#include "skia/ext/platform_picture_skia.h"
 
 namespace WebCore {
 
 SkPictureCanvasLayerTextureUpdater::SkPictureCanvasLayerTextureUpdater(PassOwnPtr<LayerPainterChromium> painter)
     : CanvasLayerTextureUpdater(painter)
+    , m_picture(adoptPtr(new skia::PlatformPictureSkia))
     , m_layerIsOpaque(false)
 {
 }
 
 SkPictureCanvasLayerTextureUpdater::~SkPictureCanvasLayerTextureUpdater()
 {
 }
 
 void SkPictureCanvasLayerTextureUpdater::prepareToUpdate(const IntRect& contentRect, const IntSize&, float contentsWidthScale, float contentsHeightScale, IntRect& resultingOpaqueRect, CCRenderingStats& stats)
 {
-    SkCanvas* canvas = m_picture.beginRecording(contentRect.width(), contentRect.height());
+    SkCanvas* canvas = m_picture->beginRecording(contentRect.width(), contentRect.height());
     paintContents(canvas, contentRect, contentsWidthScale, contentsHeightScale, resultingOpaqueRect, stats);
-    m_picture.endRecording();
+    m_picture->endRecording();
 }
 
 void SkPictureCanvasLayerTextureUpdater::drawPicture(SkCanvas* canvas)
 {
     TRACE_EVENT0("cc", "SkPictureCanvasLayerTextureUpdater::drawPicture");
-    canvas->drawPicture(m_picture);
+    m_picture->drawPicture(canvas);
 }
 
 void SkPictureCanvasLayerTextureUpdater::setOpaque(bool opaque)
 {
     m_layerIsOpaque = opaque;
 }
 
 } // namespace WebCore
 #endif // USE(ACCELERATED_COMPOSITING)