Revert "Remove OwnPtr from Blink."

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

 /*
  * Copyright (c) 2010, Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
  * met:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 16 matching lines @@
  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
 #include "platform/scroll/ScrollAnimatorBase.h"
 
 #include "platform/RuntimeEnabledFeatures.h"
 #include "platform/geometry/FloatPoint.h"
 #include "platform/scroll/ScrollableArea.h"
 #include "wtf/MathExtras.h"
+#include "wtf/PassOwnPtr.h"
 
 namespace blink {
 
 ScrollAnimatorBase::ScrollAnimatorBase(ScrollableArea* scrollableArea)
     : m_scrollableArea(scrollableArea)
 {
 }
 
 ScrollAnimatorBase::~ScrollAnimatorBase()
 {
@@ skipping 44 matching lines @@
     m_scrollableArea->scrollPositionChanged(m_currentPos, UserScroll);
 }
 
 DEFINE_TRACE(ScrollAnimatorBase)
 {
     visitor->trace(m_scrollableArea);
     ScrollAnimatorCompositorCoordinator::trace(visitor);
 }
 
 } // namespace blink