Remove the CompositedLayerMappingPtr smart ptr.

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 824 matching lines @@
             0.f);
         m_graphicsLayer->setTransformOrigin(compositedTransformOrigin);
     }
 }
 
 void CompositedLayerMapping::updateReflectionLayerGeometry(Vector<RenderLayer*>& layersNeedingPaintInvalidation)
 {
     if (!m_owningLayer.reflectionInfo() || !m_owningLayer.reflectionInfo()->reflectionLayer()->hasCompositedLayerMapping())
         return;
 
-    CompositedLayerMappingPtr reflectionCompositedLayerMapping = m_owningLayer.reflectionInfo()->reflectionLayer()->compositedLayerMapping();
+    CompositedLayerMapping* reflectionCompositedLayerMapping = m_owningLayer.reflectionInfo()->reflectionLayer()->compositedLayerMapping();
     reflectionCompositedLayerMapping->updateGraphicsLayerGeometry(&m_owningLayer, &m_owningLayer, layersNeedingPaintInvalidation);
 }
 
 void CompositedLayerMapping::updateScrollingLayerGeometry(const IntRect& localCompositingBounds)
 {
     if (!m_scrollingLayer)
         return;
 
     ASSERT(m_scrollingContentsLayer);
     RenderBox* renderBox = toRenderBox(renderer());
@@ skipping 1431 matching lines @@
     } else if (graphicsLayer == m_scrollingBlockSelectionLayer.get()) {
         name = "Scrolling Block Selection Layer";
     } else {
         ASSERT_NOT_REACHED();
     }
 
     return name;
 }
 
 } // namespace blink