Revert "Remove OwnPtr from Blink."

third_party/WebKit/Source/platform/scroll/ProgrammaticScrollAnimator.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 ProgrammaticScrollAnimator_h
 #define ProgrammaticScrollAnimator_h
 
 #include "platform/geometry/FloatPoint.h"
 #include "platform/heap/Handle.h"
 #include "platform/scroll/ScrollAnimatorCompositorCoordinator.h"
 #include "wtf/Allocator.h"
 #include "wtf/Noncopyable.h"
-#include <memory>
+#include "wtf/OwnPtr.h"
+#include "wtf/PassOwnPtr.h"
 
 namespace blink {
 
 class ScrollableArea;
 class CompositorAnimationTimeline;
 class CompositorScrollOffsetAnimationCurve;
 
 // Animator for fixed-destination scrolls, such as those triggered by
 // CSSOM View scroll APIs.
 class ProgrammaticScrollAnimator : public ScrollAnimatorCompositorCoordinator {
@@ skipping 21 matching lines @@
     void layerForCompositedScrollingDidChange(CompositorAnimationTimeline*) override;
 
     DECLARE_TRACE();
 
 private:
     explicit ProgrammaticScrollAnimator(ScrollableArea*);
 
     void notifyPositionChanged(const DoublePoint&);
 
     Member<ScrollableArea> m_scrollableArea;
-    std::unique_ptr<CompositorScrollOffsetAnimationCurve> m_animationCurve;
+    OwnPtr<CompositorScrollOffsetAnimationCurve> m_animationCurve;
     FloatPoint m_targetOffset;
     double m_startTime;
 };
 
 } // namespace blink
 
 #endif // ProgrammaticScrollAnimator_h