[webkit-reviews] review requested: [Bug 63417] Add [Optional] attributes where appropriate for addEventListener and removeEventListener : [Attachment 98658] Patch

[bugzilla-daemon at webkit.org]

Adam Barth <abarth at webkit.org> has asked  for review:
Bug 63417: Add [Optional] attributes where appropriate for addEventListener and
removeEventListener
https://bugs.webkit.org/show_bug.cgi?id=63417

Attachment 98658: Patch
https://bugs.webkit.org/attachment.cgi?id=98658&action=review