Add [Optional] attributes where appropriate for addEventListener and removeEventListener
Created attachment 98658 [details] Patch
Comment on attachment 98658 [details] Patch FF didn't used to have these optional. I didn't realized they'd changed.
Comment on attachment 98658 [details] Patch Clearing flags on attachment: 98658 Committed r89781: <http://trac.webkit.org/changeset/89781>
All reviewed patches have been landed. Closing bug.