Revert "Remove OwnPtr from Blink."

third_party/WebKit/Source/core/animation/StyleInterpolation.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 StyleInterpolation_h
 #define StyleInterpolation_h
 
 #include "core/CSSPropertyNames.h"
 #include "core/CoreExport.h"
 #include "core/animation/Interpolation.h"
 #include "core/animation/PropertyHandle.h"
-#include <memory>
 
 namespace blink {
 
 class StyleResolverState;
 
 enum InterpolationRange {
     RangeAll,
     RangeFloor,
     RangeGreaterThanOrEqualToOne,
     RangeNonNegative,
@@ skipping 18 matching lines @@
     CSSPropertyID id() const { return m_id; }
 
     PropertyHandle getProperty() const final
     {
         return PropertyHandle(id());
     }
 
 protected:
     CSSPropertyID m_id;
 
-    StyleInterpolation(std::unique_ptr<InterpolableValue> start, std::unique_ptr<InterpolableValue> end, CSSPropertyID id)
+    StyleInterpolation(PassOwnPtr<InterpolableValue> start, PassOwnPtr<InterpolableValue> end, CSSPropertyID id)
         : Interpolation(std::move(start), std::move(end))
         , m_id(id)
     {
     }
 };
 
 DEFINE_TYPE_CASTS(StyleInterpolation, Interpolation, value, value->isStyleInterpolation(), value.isStyleInterpolation());
 
 } // namespace blink
 
 #endif