Since we moved ewebkit to use TextureMapper, we don't need to have an options for WebCore's tiled backingstore.
Created attachment 230271 [details] Patch
Comment on attachment 230271 [details] Patch Clearing flags on attachment: 230271 Committed r168139: <http://trac.webkit.org/changeset/168139>
All reviewed patches have been landed. Closing bug.