I accidentally changed it to not have an underscore, when I didn't land the rest of the patch needed to make it work correctly.
Created attachment 250275 [details] Patch
Comment on attachment 250275 [details] Patch r=me
Comment on attachment 250275 [details] Patch Clearing flags on attachment: 250275 Committed r182482: <http://trac.webkit.org/changeset/182482>
All reviewed patches have been landed. Closing bug.