Change repaintRectIncludingDescendants to repaintRectIncludingNonCompositingDescendants.

Source/core/rendering/compositing/CompositedLayerMapping.cpp

 /*
  * Copyright (C) 2009, 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 1830 matching lines @@
     if (paintsIntoCompositedAncestor() != previousPaintsIntoCompositedAncestor)
         paintsIntoCompositedAncestorChanged();
     return m_requiresOwnBackingStoreForIntrinsicReasons != previousRequiresOwnBackingStoreForIntrinsicReasons;
 }
 
 void CompositedLayerMapping::paintsIntoCompositedAncestorChanged()
 {
     // The answer to paintsIntoCompositedAncestor() affects cached clip rects, so when
     // it changes we have to clear clip rects on descendants.
     m_owningLayer.clipper().clearClipRectsIncludingDescendants(PaintingClipRects);
-    m_owningLayer.repainter().computeRepaintRectsIncludingDescendants();
+    m_owningLayer.repainter().computeRepaintRectsIncludingNonCompositingDescendants();
 
     compositor()->repaintInCompositedAncestor(&m_owningLayer, compositedBounds());
 }
 
 void CompositedLayerMapping::setBlendMode(blink::WebBlendMode blendMode)
 {
     if (m_ancestorClippingLayer) {
         m_ancestorClippingLayer->setBlendMode(blendMode);
         m_graphicsLayer->setBlendMode(blink::WebBlendModeNormal);
     } else {
@@ skipping 393 matching lines @@
     } else if (graphicsLayer == m_scrollingContentsLayer.get()) {
         name = "Scrolling Contents Layer";
     } else {
         ASSERT_NOT_REACHED();
     }
 
     return name;
 }
 
 } // namespace WebCore