When iframe compositing layers get hooked up to their parent document's compositing tree, we didn't implement scrolling of those layers. This breaks gmail on Mac.
<rdar://problem/7980099>
Created attachment 56023 [details] Patch
Comment on attachment 56023 [details] Patch r=me
http://trac.webkit.org/changeset/59396
http://trac.webkit.org/changeset/59396 might have broken GTK Linux 32-bit Release The following changes are on the blame list: http://trac.webkit.org/changeset/59395 http://trac.webkit.org/changeset/59396