Update Source/platform/ to assume Oilpan only.

third_party/WebKit/Source/platform/mac/ScrollAnimatorMac.mm

 /*
  * Copyright (C) 2010, 2011 Apple 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:
  * 1. Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
  * 2. Redistributions in binary form must reproduce the above copyright
  *    notice, this list of conditions and the following disclaimer in the
@@ skipping 655 matching lines @@
     [_trackAlphaAnimation.get() invalidate];
     [_uiStateTransitionAnimation.get() invalidate];
     [_expansionTransitionAnimation.get() invalidate];
     END_BLOCK_OBJC_EXCEPTIONS;
 }
 
 @end
 
 namespace blink {
 
-RawPtr<ScrollAnimatorBase> ScrollAnimatorBase::create(ScrollableArea* scrollableArea)
+ScrollAnimatorBase* ScrollAnimatorBase::create(ScrollableArea* scrollableArea)
 {
     return new ScrollAnimatorMac(scrollableArea);
 }
 
 ScrollAnimatorMac::ScrollAnimatorMac(ScrollableArea* scrollableArea)
     : ScrollAnimatorBase(scrollableArea)
     , m_initialScrollbarPaintTaskFactory(CancellableTaskFactory::create(this, &ScrollAnimatorMac::initialScrollbarPaintTask))
     , m_sendContentAreaScrolledTaskFactory(CancellableTaskFactory::create(this, &ScrollAnimatorMac::sendContentAreaScrolledTask))
     , m_taskRunner(adoptPtr(Platform::current()->currentThread()->scheduler()->timerTaskRunner()->clone()))
     , m_haveScrolledSincePageLoad(false)
     , m_needsScrollerStyleUpdate(false)
 {
-#if ENABLE(OILPAN)
     ThreadState::current()->registerPreFinalizer(this);
-#endif
 
     m_scrollAnimationHelperDelegate.adoptNS([[BlinkScrollAnimationHelperDelegate alloc] initWithScrollAnimator:this]);
     m_scrollAnimationHelper.adoptNS([[NSClassFromString(@"NSScrollAnimationHelper") alloc] initWithDelegate:m_scrollAnimationHelperDelegate.get()]);
 
     m_scrollbarPainterControllerDelegate.adoptNS([[BlinkScrollbarPainterControllerDelegate alloc] initWithScrollableArea:scrollableArea]);
     m_scrollbarPainterController = [[[NSClassFromString(@"NSScrollerImpPair") alloc] init] autorelease];
     [m_scrollbarPainterController.get() performSelector:@selector(setDelegate:) withObject:m_scrollbarPainterControllerDelegate.get()];
     [m_scrollbarPainterController.get() setScrollerStyle:ScrollbarThemeMac::recommendedScrollerStyle()];
 }
 
 ScrollAnimatorMac::~ScrollAnimatorMac()
 {
-#if !ENABLE(OILPAN)
-    dispose();
-#endif
 }
 
 void ScrollAnimatorMac::dispose()
 {
     BEGIN_BLOCK_OBJC_EXCEPTIONS;
     [m_scrollbarPainterControllerDelegate.get() invalidate];
     [m_scrollbarPainterController.get() setDelegate:nil];
     [m_horizontalScrollbarPainterDelegate.get() invalidate];
     [m_verticalScrollbarPainterDelegate.get() invalidate];
     [m_scrollAnimationHelperDelegate.get() invalidate];
@@ skipping 388 matching lines @@
     if (Scrollbar* verticalScrollbar = m_scrollableArea->verticalScrollbar())
         rectInViewCoordinates = verticalScrollbar->convertToContainingWidget(scrollerThumb);
 
     if (rectInViewCoordinates == m_visibleScrollerThumbRect)
         return;
 
     m_visibleScrollerThumbRect = rectInViewCoordinates;
 }
 
 } // namespace blink