Revert 140571

Source/WebCore/page/FrameView.cpp

Index: Source/WebCore/page/FrameView.cpp
===================================================================
--- Source/WebCore/page/FrameView.cpp	(revision 143052)
+++ Source/WebCore/page/FrameView.cpp	(working copy)
@@ -1914,28 +1914,6 @@
     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)