cc: Store tiles, painters, tiling data in scoped_ptr

cc/canvas_layer_texture_updater.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 CanvasLayerTextureUpdater_h
 #define CanvasLayerTextureUpdater_h
 
 #include "LayerTextureUpdater.h"
 
 class SkCanvas;
 
 namespace cc {
 
 class LayerPainterChromium;
 
 // Base class for BitmapCanvasLayerTextureUpdater and
 // SkPictureCanvasLayerTextureUpdater that reduces code duplication between
 // their respective paintContents implementations.
 class CanvasLayerTextureUpdater : public LayerTextureUpdater {
 public:
     virtual ~CanvasLayerTextureUpdater();
 
 protected:
-    explicit CanvasLayerTextureUpdater(PassOwnPtr<LayerPainterChromium>);
+    explicit CanvasLayerTextureUpdater(scoped_ptr<LayerPainterChromium>);
 
     void paintContents(SkCanvas*, const IntRect& contentRect, float contentsWidthScale, float contentsHeightScale, IntRect& resultingOpaqueRect, CCRenderingStats&);
     const IntRect& contentRect() const { return m_contentRect; }
 
 private:
     IntRect m_contentRect;
-    OwnPtr<LayerPainterChromium> m_painter;
+    scoped_ptr<LayerPainterChromium> m_painter;
 };
 
-} // namespace cc
-#endif // CanvasLayerTextureUpdater_h
+}  // namespace cc
+
+#endif  // CanvasLayerTextureUpdater_h