This patch removes CoordinatedGraphicsLayer::setRootLayer() because CoordinatedGraphicsScene already knows which layer is root.
Created attachment 192186 [details] Patch
I think WK2 part is trivial change that Sam mentioned. Do you think WK2 owner sign is needed?
Comment on attachment 192186 [details] Patch LGTM, still needs a WK2 owner review.
Comment on attachment 192186 [details] Patch Signed off by me.
Comment on attachment 192186 [details] Patch Clearing flags on attachment: 192186 Committed r145670: <http://trac.webkit.org/changeset/145670>
All reviewed patches have been landed. Closing bug.