[Oilpan] Move ScrollAnimators onto oilpan heap

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 "config.h"
 #include "platform/scroll/ProgrammaticScrollAnimator.h"
 
 #include "platform/RuntimeEnabledFeatures.h"
 #include "platform/geometry/IntPoint.h"
 #include "platform/graphics/GraphicsLayer.h"
 #include "platform/scroll/ScrollableArea.h"
 #include "public/platform/Platform.h"
 #include "public/platform/WebCompositorAnimation.h"
 #include "public/platform/WebCompositorAnimationPlayer.h"
 #include "public/platform/WebCompositorAnimationTimeline.h"
 #include "public/platform/WebCompositorSupport.h"
 #include "public/platform/WebScrollOffsetAnimationCurve.h"
 
 namespace blink {
 
-PassOwnPtr<ProgrammaticScrollAnimator> ProgrammaticScrollAnimator::create(ScrollableArea* scrollableArea)
+PassOwnPtrWillBeRawPtr<ProgrammaticScrollAnimator> ProgrammaticScrollAnimator::create(ScrollableArea* scrollableArea)
 {
-    return adoptPtr(new ProgrammaticScrollAnimator(scrollableArea));
+    return adoptPtrWillBeNoop(new ProgrammaticScrollAnimator(scrollableArea));
 }
 
 ProgrammaticScrollAnimator::ProgrammaticScrollAnimator(ScrollableArea* scrollableArea)
     : m_compositorAnimationAttachedToLayerId(0)
     , m_scrollableArea(scrollableArea)
     , m_startTime(0.0)
     , m_runState(RunState::Idle)
     , m_compositorAnimationId(0)
     , m_compositorAnimationGroupId(0)
 {
@@ skipping 248 matching lines @@
 void ProgrammaticScrollAnimator::notifyAnimationFinished(double monotonicTime, int group)
 {
     notifyCompositorAnimationFinished(group);
 }
 
 WebCompositorAnimationPlayer* ProgrammaticScrollAnimator::compositorPlayer() const
 {
     return m_compositorPlayer.get();
 }
 
+DEFINE_TRACE(ProgrammaticScrollAnimator)
+{
+    visitor->trace(m_scrollableArea);
+}
+
 } // namespace blink