When converting a layer into a tiled layer, ensure that we update the visible rect
Seen on http://www.youtube.com/watch?feature=player_embedded&v=nfLS4nt5aQw#!
Created attachment 178395 [details] Patch
<rdar://problem/12842438>
Comment on attachment 178395 [details] Patch Attachment 178395 [details] did not pass mac-ews (mac): Output: http://queues.webkit.org/results/15212820 New failing tests: compositing/tiling/tiled-layer-resize.html
Comment on attachment 178395 [details] Patch Looks like the new test is failing on the bot. We need to figure that out and address it before landing.
http://trac.webkit.org/changeset/137216