Revert "Remove OwnPtr from Blink."

third_party/WebKit/Source/platform/graphics/paint/CompositingDisplayItem.h

 // Copyright 2014 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 CompositingDisplayItem_h
 #define CompositingDisplayItem_h
 
 #include "platform/geometry/FloatRect.h"
 #include "platform/graphics/GraphicsTypes.h"
 #include "platform/graphics/paint/DisplayItem.h"
 #include "public/platform/WebBlendMode.h"
+#include "wtf/PassOwnPtr.h"
 #ifndef NDEBUG
 #include "wtf/text/WTFString.h"
 #endif
 
 namespace blink {
 
 class PLATFORM_EXPORT BeginCompositingDisplayItem final : public PairedBeginDisplayItem {
 public:
     BeginCompositingDisplayItem(const DisplayItemClient& client, const SkXfermode::Mode xferMode, const float opacity, const FloatRect* bounds, ColorFilter colorFilter = ColorFilterNone)
         : PairedBeginDisplayItem(client, BeginCompositing, sizeof(*this))
@@ skipping 42 matching lines @@
 
 private:
 #if ENABLE(ASSERT)
     bool isEndAndPairedWith(DisplayItem::Type otherType) const final { return otherType == BeginCompositing; }
 #endif
 };
 
 } // namespace blink
 
 #endif // CompositingDisplayItem_h