Revert 140571

Source/WebCore/page/FrameView.cpp

 /*
  * Copyright (C) 1998, 1999 Torben Weis <weis@kde.org>
  *                     1999 Lars Knoll <knoll@kde.org>
  *                     1999 Antti Koivisto <koivisto@kde.org>
  *                     2000 Dirk Mueller <mueller@kde.org>
  * Copyright (C) 2004, 2005, 2006, 2007, 2008 Apple Inc. All rights reserved.
  *           (C) 2006 Graham Dennis (graham.dennis@gmail.com)
  *           (C) 2006 Alexey Proskuryakov (ap@nypop.com)
  * Copyright (C) 2009 Google Inc. All rights reserved.
  *
@@ skipping 1896 matching lines @@
 }
 
 bool FrameView::shouldRubberBandInDirection(ScrollDirection direction) const
 {
     Page* page = frame() ? frame()->page() : 0;
     if (!page)
         return ScrollView::shouldRubberBandInDirection(direction);
     return page->chrome()->client()->shouldRubberBandInDirection(direction);
 }
 
-bool FrameView::isRubberBandInProgress() const
-{
-    if (scrollbarsSuppressed())
-        return false;
-
-    // If the scrolling thread updates the scroll position for this FrameView, then we should return
-    // ScrollingCoordinator::isRubberBandInProgress().
-    if (Page* page = m_frame->page()) {
-        if (ScrollingCoordinator* scrollingCoordinator = page->scrollingCoordinator()) {
-            if (!scrollingCoordinator->shouldUpdateScrollLayerPositionOnMainThread())
-                return scrollingCoordinator->isRubberBandInProgress();
-        }
-    }
-
-    // If the main thread updates the scroll position for this FrameView, we should return
-    // ScrollAnimator::isRubberBandInProgress().
-    if (ScrollAnimator* scrollAnimator = existingScrollAnimator())
-        return scrollAnimator->isRubberBandInProgress();
-
-    return false;
-}
-
 bool FrameView::requestScrollPositionUpdate(const IntPoint& position)
 {
 #if ENABLE(THREADED_SCROLLING)
     if (TiledBacking* tiledBacking = this->tiledBacking()) {
         IntRect visibleRect = visibleContentRect();
         visibleRect.setLocation(position);
         tiledBacking->prepopulateRect(visibleRect);
     }
 
     if (Page* page = m_frame->page()) {
@@ skipping 1950 matching lines @@
 {
 #if USE(ACCELERATED_COMPOSITING)
     if (TiledBacking* tiledBacking = this->tiledBacking())
         tiledBacking->setScrollingPerformanceLoggingEnabled(flag);
 #else
     UNUSED_PARAM(flag);
 #endif
 }
 
 } // namespace WebCore