After Bug 99750 is resolved, attachChildrenIfNeeded is replaced with attachChildren. We will be able to remove a few more methods and make code simple.
Created attachment 169870 [details] Patch
Comment on attachment 169870 [details] Patch Clearing flags on attachment: 169870 Committed r132168: <http://trac.webkit.org/changeset/132168>
All reviewed patches have been landed. Closing bug.