Remove incremental compositing update in RenderLayerScrollableArea::updateAfterStyleChange

Source/core/rendering/RenderLayerScrollableArea.cpp

 /*
  * Copyright (C) 2006, 2007, 2008, 2009, 2010, 2011, 2012 Apple Inc. All rights reserved.
  *
  * Portions are Copyright (C) 1998 Netscape Communications Corporation.
  *
  * Other contributors:
  *   Robert O'Callahan <roc+@cs.cmu.edu>
  *   David Baron <dbaron@fas.harvard.edu>
  *   Christian Biesinger <cbiesinger@web.de>
  *   Randall Jesup <rjesup@wgate.com>
@@ skipping 760 matching lines @@
 
     // FIXME: Need to detect a swap from custom to native scrollbars (and vice versa).
     if (m_hBar)
         m_hBar->styleChanged();
     if (m_vBar)
         m_vBar->styleChanged();
 
     updateScrollCornerStyle();
     updateResizerAreaSet();
     updateResizerStyle();
-
-    // FIXME: Remove incremental compositing updates after fixing the chicken/egg issues
-    // https://code.google.com/p/chromium/issues/detail?id=343756
-    DisableCompositingQueryAsserts disabler;
-    RenderLayer* layer = this->layer();
-    if (layer->hasCompositedLayerMapping() && layer->compositedLayerMapping()->updateGraphicsLayerConfiguration(GraphicsLayerUpdater::ForceUpdate))
-        layer->compositor()->setCompositingLayersNeedRebuild();
 }
 
 void RenderLayerScrollableArea::updateAfterCompositingChange()
 {
     layer()->updateScrollingStateAfterCompositingChange();
 }
 
 void RenderLayerScrollableArea::updateAfterOverflowRecalc()
 {
     computeScrollDimensions();
@@ skipping 708 matching lines @@
     DisableCompositingQueryAsserts disabler;
     return box().hasCompositedLayerMapping() && box().compositedLayerMapping()->scrollingLayer();
 }
 
 bool RenderLayerScrollableArea::needsCompositedScrolling() const
 {
     return scrollsOverflow() && box().view()->compositor()->acceleratedCompositingForOverflowScrollEnabled();
 }
 
 } // Namespace WebCore