adjustBoundsForSubPixelAccumulation  679 Source/core/rendering/compositing/CompositedLayerMapping.cpp     adjustBoundsForSubPixelAccumulation(compAncestor, localCompositingBounds, relativeCompositingBounds, delta);
adjustBoundsForSubPixelAccumulation  231 Source/core/rendering/compositing/CompositedLayerMapping.h     void adjustBoundsForSubPixelAccumulation(const RenderLayer* compositedAncestor, IntRect& localCompositingBounds, IntRect& relativeCompositingBounds, IntPoint& delta);