Remove lots of code from the WebWidget/WebView/WebFrame layer.

sky/engine/platform/scroll/ScrollableArea.cpp

 /*
  * Copyright (c) 2010, Google Inc. All rights reserved.
  * Copyright (C) 2008, 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:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
@@ skipping 55 matching lines @@
 }
 
 int ScrollableArea::maxOverlapBetweenPages()
 {
     static int maxOverlapBetweenPages = std::numeric_limits<int>::max();
     return maxOverlapBetweenPages;
 }
 
 ScrollableArea::ScrollableArea()
     : m_constrainsScrollingToContentEdge(true)
-    , m_inLiveResize(false)
     , m_verticalScrollElasticity(ScrollElasticityNone)
     , m_horizontalScrollElasticity(ScrollElasticityNone)
     , m_scrollbarOverlayStyle(ScrollbarOverlayStyleDefault)
     , m_scrollOriginChanged(false)
 {
 }
 
 ScrollableArea::~ScrollableArea()
 {
 }
@@ skipping 133 matching lines @@
 void ScrollableArea::setScrollOffsetFromInternals(const IntPoint& offset)
 {
     setScrollOffsetFromAnimation(offset);
 }
 
 void ScrollableArea::setScrollOffsetFromAnimation(const IntPoint& offset)
 {
     scrollPositionChanged(offset);
 }
 
-void ScrollableArea::willStartLiveResize()
-{
-    if (m_inLiveResize)
-        return;
-    m_inLiveResize = true;
-    if (ScrollAnimator* scrollAnimator = existingScrollAnimator())
-        scrollAnimator->willStartLiveResize();
-}
-
-void ScrollableArea::willEndLiveResize()
-{
-    if (!m_inLiveResize)
-        return;
-    m_inLiveResize = false;
-    if (ScrollAnimator* scrollAnimator = existingScrollAnimator())
-        scrollAnimator->willEndLiveResize();
-}
-
 void ScrollableArea::mouseEnteredContentArea() const
 {
     if (ScrollAnimator* scrollAnimator = existingScrollAnimator())
         scrollAnimator->mouseEnteredContentArea();
 }
 
 void ScrollableArea::mouseExitedContentArea() const
 {
     if (ScrollAnimator* scrollAnimator = existingScrollAnimator())
         scrollAnimator->mouseEnteredContentArea();
@@ skipping 116 matching lines @@
 {
     return scrollSize(orientation);
 }
 
 float ScrollableArea::pixelStep(ScrollbarOrientation) const
 {
     return 1;
 }
 
 } // namespace blink