Surround fixedVisibleContentRect code with USE(TILED_BACKING_STORE)
Created attachment 221942 [details] Patch
Comment on attachment 221942 [details] Patch r=me! (I feel like I may have added this code years ago..)
Comment on attachment 221942 [details] Patch Clearing flags on attachment: 221942 Committed r162597: <http://trac.webkit.org/changeset/162597>
All reviewed patches have been landed. Closing bug.