Delete some dead reflection code in CompositedLayerMapping.

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 831 matching lines @@
     }
 }
 
 void CompositedLayerMapping::updateReflectionLayerGeometry()
 {
     if (!m_owningLayer.reflectionInfo() || !m_owningLayer.reflectionInfo()->reflectionLayer()->hasCompositedLayerMapping())
         return;
 
     CompositedLayerMappingPtr reflectionCompositedLayerMapping = m_owningLayer.reflectionInfo()->reflectionLayer()->compositedLayerMapping();
     reflectionCompositedLayerMapping->updateGraphicsLayerGeometry(GraphicsLayerUpdater::ForceUpdate, &m_owningLayer);
-
-    // The reflection layer has the bounds of m_owningLayer.reflectionLayer(),
-    // but the reflected layer is the bounds of this layer, so we need to position it appropriately.
-    FloatRect layerBounds = compositedBounds();
-    FloatRect reflectionLayerBounds = reflectionCompositedLayerMapping->compositedBounds();
-    reflectionCompositedLayerMapping->mainGraphicsLayer()->setReplicatedLayerPosition(FloatPoint(layerBounds.location() - reflectionLayerBounds.location()));
 }
 
 void CompositedLayerMapping::updateScrollingLayerGeometry(const IntRect& localCompositingBounds)
 {
     if (!m_scrollingLayer)
         return;
 
     ASSERT(m_scrollingContentsLayer);
     RenderBox* renderBox = toRenderBox(renderer());
     IntRect clientBox = enclosingIntRect(renderBox->clientBoxRect());
@@ skipping 1384 matching lines @@
     } else if (graphicsLayer == m_scrollingContentsLayer.get()) {
         name = "Scrolling Contents Layer";
     } else {
         ASSERT_NOT_REACHED();
     }
 
     return name;
 }
 
 } // namespace WebCore