Since we don't attach synchronously we don't need to recalc style synchronously either.
Created attachment 222113 [details] patch
Comment on attachment 222113 [details] patch LOL
Comment on attachment 222113 [details] patch cq+ing this because no-brainer.
Comment on attachment 222113 [details] patch Clearing flags on attachment: 222113 Committed r162744: <http://trac.webkit.org/changeset/162744>
All reviewed patches have been landed. Closing bug.
The reason I didn't land this was that it broke wsj.com. Bug 127619 has the fix.