Steps to reproduce: open any b.w.o bug in Firefox. Not sure if you need to be logged in. Missing last argument in addEventListener at line 387.
Should be an easy patch.
Created attachment 70383 [details] Patch
Comment on attachment 70383 [details] Patch View in context: https://bugs.webkit.org/attachment.cgi?id=70383&action=review > BugsSite/ChangeLog:10 > + Remove dependency on a WebKit-only quirk. IMHO, this quirk is bad for > + the long-term health of the web, but that's a discussion for another > + patch. This has been discussed before. Requiring that useless arguments are passed explicitly is also not super great.
Comment on attachment 70383 [details] Patch Clearing flags on attachment: 70383 Committed r69464: <http://trac.webkit.org/changeset/69464>
All reviewed patches have been landed. Closing bug.