Revert "Remove OwnPtr from Blink."

third_party/WebKit/Source/platform/graphics/ContentLayerDelegate.h

 /*
  * Copyright (C) 2012 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  * 1.  Redistributions of source code must retain the above copyright
  *     notice, this list of conditions and the following disclaimer.
  * 2.  Redistributions in binary form must reproduce the above copyright
  *     notice, this list of conditions and the following disclaimer in the
@@ skipping 12 matching lines @@
  */
 
 #ifndef ContentLayerDelegate_h
 #define ContentLayerDelegate_h
 
 #include "platform/PlatformExport.h"
 #include "platform/geometry/IntSize.h"
 #include "public/platform/WebContentLayerClient.h"
 #include "wtf/Allocator.h"
 #include "wtf/Noncopyable.h"
+#include "wtf/PassOwnPtr.h"
 
 class SkCanvas;
 
 namespace gfx {
 class Rect;
 }
 
 namespace blink {
 
 class IntRect;
@@ skipping 12 matching lines @@
     void paintContents(WebDisplayItemList*, WebContentLayerClient::PaintingControlSetting = PaintDefaultBehavior) override;
     size_t approximateUnsharedMemoryUsage() const override;
 
 private:
     GraphicsLayer* m_graphicsLayer;
 };
 
 } // namespace blink
 
 #endif // ContentLayerDelegate_h