Merge 120731

Source/WebCore/rendering/svg/RenderSVGModelObject.cpp

 /*
  * Copyright (c) 2009, Google 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:
  * 
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 153 matching lines @@
     return renderer->isSVGShape() || renderer->isSVGText() || renderer->isSVGImage() || renderer->node()->hasTagName(SVGNames::useTag);
 }
 
 bool RenderSVGModelObject::checkIntersection(RenderObject* renderer, const FloatRect& rect)
 {
     if (!renderer || renderer->style()->pointerEvents() == PE_NONE)
         return false;
     if (!isGraphicsElement(renderer))
         return false;
     AffineTransform ctm;
-    getElementCTM(static_cast<SVGElement*>(renderer->node()), ctm);
-    return intersectsAllowingEmpty(rect, ctm.mapRect(renderer->repaintRectInLocalCoordinates()));
+    SVGElement* svgElement = static_cast<SVGElement*>(renderer->node());
+    getElementCTM(svgElement, ctm);
+    ASSERT(svgElement->renderer());
+    return intersectsAllowingEmpty(rect, ctm.mapRect(svgElement->renderer()->repaintRectInLocalCoordinates()));
 }
 
 bool RenderSVGModelObject::checkEnclosure(RenderObject* renderer, const FloatRect& rect)
 {
     if (!renderer || renderer->style()->pointerEvents() == PE_NONE)
         return false;
     if (!isGraphicsElement(renderer))
         return false;
     AffineTransform ctm;
-    getElementCTM(static_cast<SVGElement*>(renderer->node()), ctm);
-    return rect.contains(ctm.mapRect(renderer->repaintRectInLocalCoordinates()));
+    SVGElement* svgElement = static_cast<SVGElement*>(renderer->node());
+    getElementCTM(svgElement, ctm);
+    ASSERT(svgElement->renderer());
+    return rect.contains(ctm.mapRect(svgElement->renderer()->repaintRectInLocalCoordinates()));
 }
 
 } // namespace WebCore
 
 #endif // ENABLE(SVG)