Delete CompositedLayerMapping::updateAfterLayout

Source/core/rendering/RenderLayer.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 295 matching lines @@
         m_isPaginated = false;
         m_enclosingPaginationLayer = 0;
     }
 
     repainter().repaintAfterLayout(geometryMap, flags & CheckForRepaint);
 
     // Go ahead and update the reflection's position and size.
     if (m_reflectionInfo)
         m_reflectionInfo->reflection()->layout();
 
-    // Clear the IsCompositingUpdateRoot flag once we've found the first compositing layer in this update.
-    bool isUpdateRoot = (flags & IsCompositingUpdateRoot);
-    if (hasCompositedLayerMapping())
-        flags &= ~IsCompositingUpdateRoot;
-
     if (useRegionBasedColumns() && renderer()->isInFlowRenderFlowThread()) {
         updatePagination();
         flags |= UpdatePagination;
     }
 
     if (renderer()->hasColumns())
         flags |= UpdatePagination;
 
     for (RenderLayer* child = firstChild(); child; child = child->nextSibling())
         child->updateLayerPositions(geometryMap, flags);
 
-    if ((flags & UpdateCompositingLayers) && hasCompositedLayerMapping())
-        compositedLayerMapping()->updateAfterLayout(flags & NeedsFullRepaintInBacking, isUpdateRoot);
+    if ((flags & NeedsFullRepaintInBacking) && hasCompositedLayerMapping() && !compositedLayerMapping()->paintsIntoCompositedAncestor())
+        compositedLayerMapping()->setContentsNeedDisplay();
 
     if (geometryMap)
         geometryMap->popMappingsToAncestor(parent());
 }
 
 void RenderLayer::setAncestorChainHasSelfPaintingLayerDescendant()
 {
     for (RenderLayer* layer = this; layer; layer = layer->parent()) {
         if (!layer->m_hasSelfPaintingLayerDescendantDirty && layer->hasSelfPaintingLayerDescendant())
             break;
@@ skipping 3820 matching lines @@
     }
 }
 
 void showLayerTree(const WebCore::RenderObject* renderer)
 {
     if (!renderer)
         return;
     showLayerTree(renderer->enclosingLayer());
 }
 #endif