GDK double buffering is unecessary for WebKit2 and leads to one more pixmap copy than necessary. We can safely disable it.
Created attachment 97390 [details] Patch
Comment on attachment 97390 [details] Patch rs=me.
Comment on attachment 97390 [details] Patch Clearing flags on attachment: 97390 Committed r89287: <http://trac.webkit.org/changeset/89287>
All reviewed patches have been landed. Closing bug.