RenderBox::repaintLayerRectsForImage() does some repainting when the image changes that computes an absolute repaint rect. It should not have to use absolute rects for this; it should compute a local rect.
Created attachment 26654 [details]
This isn't fixing a bug, so no testcase. I'm doing it to make some future repaint cleanup easier.
Committing to http://svn.webkit.org/repository/webkit/trunk ...