Revert "Remove OwnPtr from Blink."

third_party/WebKit/Source/platform/scroll/ProgrammaticScrollAnimator.cpp

 // 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.
 
 #include "platform/scroll/ProgrammaticScrollAnimator.h"
 
 #include "platform/animation/CompositorAnimation.h"
 #include "platform/animation/CompositorScrollOffsetAnimationCurve.h"
 #include "platform/geometry/IntPoint.h"
 #include "platform/graphics/GraphicsLayer.h"
 #include "platform/scroll/ScrollableArea.h"
 #include "public/platform/Platform.h"
 #include "public/platform/WebCompositorSupport.h"
-#include "wtf/PtrUtil.h"
-#include <memory>
 
 namespace blink {
 
 ProgrammaticScrollAnimator::ProgrammaticScrollAnimator(ScrollableArea* scrollableArea)
     : m_scrollableArea(scrollableArea)
     , m_startTime(0.0)
 {
 }
 
 ProgrammaticScrollAnimator::~ProgrammaticScrollAnimator()
@@ skipping 89 matching lines @@
         }
     }
 
     if (m_runState == RunState::WaitingToSendToCompositor) {
         if (!m_compositorAnimationAttachedToLayerId)
             reattachCompositorPlayerIfNeeded(getScrollableArea()->compositorAnimationTimeline());
 
         bool sentToCompositor = false;
 
         if (!m_scrollableArea->shouldScrollOnMainThread()) {
-            std::unique_ptr<CompositorAnimation> animation = CompositorAnimation::create(*m_animationCurve, CompositorTargetProperty::SCROLL_OFFSET, 0, 0);
+            OwnPtr<CompositorAnimation> animation = CompositorAnimation::create(*m_animationCurve, CompositorTargetProperty::SCROLL_OFFSET, 0, 0);
 
             int animationId = animation->id();
             int animationGroupId = animation->group();
 
             if (addAnimation(std::move(animation))) {
                 sentToCompositor = true;
                 m_runState = RunState::RunningOnCompositor;
                 m_compositorAnimationId = animationId;
                 m_compositorAnimationGroupId = animationGroupId;
             }
@@ skipping 37 matching lines @@
     ScrollAnimatorCompositorCoordinator::compositorAnimationFinished(groupId);
 }
 
 DEFINE_TRACE(ProgrammaticScrollAnimator)
 {
     visitor->trace(m_scrollableArea);
     ScrollAnimatorCompositorCoordinator::trace(visitor);
 }
 
 } // namespace blink