Offset rects by origin when projecting from composited to graphics layer.

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 724 matching lines @@
         clipLayer->setSize(clippingBox.size());
         clipLayer->setOffsetFromRenderer(toIntSize(clippingBox.location()));
         if (m_childClippingMaskLayer && !m_scrollingLayer) {
             m_childClippingMaskLayer->setPosition(clipLayer->position());
             m_childClippingMaskLayer->setSize(clipLayer->size());
             m_childClippingMaskLayer->setOffsetFromRenderer(clipLayer->offsetFromRenderer());
         }
     } else if (m_childTransformLayer) {
         const IntRect borderBox = toRenderBox(m_owningLayer.renderer())->pixelSnappedBorderBoxRect();
         m_childTransformLayer->setSize(borderBox.size());
-        m_childTransformLayer->setPosition(FloatPoint(contentOffsetInCompostingLayer()));
+        m_childTransformLayer->setPosition(FloatPoint(contentOffsetInCompositingLayer()));
     }
 
     if (m_maskLayer) {
         if (m_maskLayer->size() != m_graphicsLayer->size()) {
             m_maskLayer->setSize(m_graphicsLayer->size());
             m_maskLayer->setNeedsDisplay();
         }
         m_maskLayer->setPosition(FloatPoint());
         m_maskLayer->setOffsetFromRenderer(m_graphicsLayer->offsetFromRenderer());
     }
@@ skipping 934 matching lines @@
 
     FloatPoint3D origin;
     origin.setX(floatValueForLength(style->transformOriginX(), borderBox.width()));
     origin.setY(floatValueForLength(style->transformOriginY(), borderBox.height()));
     origin.setZ(style->transformOriginZ());
 
     return origin;
 }
 
 // Return the offset from the top-left of this compositing layer at which the renderer's contents are painted.
-LayoutSize CompositedLayerMapping::contentOffsetInCompostingLayer() const
+LayoutSize CompositedLayerMapping::contentOffsetInCompositingLayer() const
 {
     return LayoutSize(-m_compositedBounds.x(), -m_compositedBounds.y());
 }
 
 LayoutRect CompositedLayerMapping::contentsBox() const
 {
     LayoutRect contentsBox = contentsRect(renderer());
-    contentsBox.move(contentOffsetInCompostingLayer());
+    contentsBox.move(contentOffsetInCompositingLayer());
     return contentsBox;
 }
 
 GraphicsLayer* CompositedLayerMapping::parentForSublayers() const
 {
     if (m_scrollingContentsLayer)
         return m_scrollingContentsLayer.get();
 
     if (m_childContainmentLayer)
         return m_childContainmentLayer.get();
@@ skipping 423 matching lines @@
     } else if (graphicsLayer == m_scrollingContentsLayer.get()) {
         name = "Scrolling Contents Layer";
     } else {
         ASSERT_NOT_REACHED();
     }
 
     return name;
 }
 
 } // namespace WebCore