Revert "Remove OwnPtr from Blink."

third_party/WebKit/Source/platform/DragImage.h

 /*
  * Copyright (C) 2007 Apple 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 16 matching lines @@
 #define DragImage_h
 
 #include "platform/geometry/FloatSize.h"
 #include "platform/geometry/IntSize.h"
 #include "platform/graphics/GraphicsTypes.h"
 #include "platform/graphics/ImageOrientation.h"
 #include "platform/graphics/paint/DisplayItemClient.h"
 #include "third_party/skia/include/core/SkBitmap.h"
 #include "wtf/Allocator.h"
 #include "wtf/Forward.h"
-#include <memory>
 
 class SkImage;
 
 namespace blink {
 
 class FontDescription;
 class Image;
 class KURL;
 
 class PLATFORM_EXPORT DragImage {
     USING_FAST_MALLOC(DragImage);
     WTF_MAKE_NONCOPYABLE(DragImage);
 public:
-    static std::unique_ptr<DragImage> create(Image*,
+    static PassOwnPtr<DragImage> create(Image*,
         RespectImageOrientationEnum = DoNotRespectImageOrientation, float deviceScaleFactor = 1,
         InterpolationQuality = InterpolationHigh, float opacity = 1,
         FloatSize imageScale = FloatSize(1, 1));
 
-    static std::unique_ptr<DragImage> create(const KURL&, const String& label, const FontDescription& systemFont, float deviceScaleFactor);
+    static PassOwnPtr<DragImage> create(const KURL&, const String& label, const FontDescription& systemFont, float deviceScaleFactor);
     ~DragImage();
 
     static FloatSize clampedImageScale(const IntSize&, const IntSize&, const IntSize& maxSize);
 
     const SkBitmap& bitmap() { return m_bitmap; }
     float resolutionScale() const { return m_resolutionScale; }
     IntSize size() const { return IntSize(m_bitmap.width(), m_bitmap.height()); }
 
     void scale(float scaleX, float scaleY);
 
     static PassRefPtr<SkImage> resizeAndOrientImage(PassRefPtr<SkImage>, ImageOrientation, FloatSize imageScale = FloatSize(1, 1), float opacity = 1.0, InterpolationQuality = InterpolationNone);
 
 private:
     DragImage(const SkBitmap&, float resolutionScale, InterpolationQuality);
 
     SkBitmap m_bitmap;
     float m_resolutionScale;
     InterpolationQuality m_interpolationQuality;
 };
 
 } // namespace blink
 
 #endif // DragImage_h