This is a simple refactoring. What LabelableElement uses is not ElementRareData but NodeRareData.
Created attachment 149684 [details] Patch
Comment on attachment 149684 [details] Patch ok
Comment on attachment 149684 [details] Patch thanks!
Comment on attachment 149684 [details] Patch Clearing flags on attachment: 149684 Committed r121327: <http://trac.webkit.org/changeset/121327>
All reviewed patches have been landed. Closing bug.