Pass along an UpdateInfo object to the ExitAcceleratedCompositingMode message
Created attachment 81139 [details] Patch
Committed r77561: <http://trac.webkit.org/changeset/77561>
http://trac.webkit.org/changeset/77561 might have broken GTK Linux 32-bit Release, GTK Linux 32-bit Debug, and GTK Linux 64-bit Debug The following tests are not passing: fast/events/pagehide-timeout.html