Update CloseEvent to stop using legacy [ConstructorTemplate=Event] and use a regular constructor as in the specification: - https://html.spec.whatwg.org/multipage/comms.html#the-closeevent-interfaces
Created attachment 291296 [details] Patch
Comment on attachment 291296 [details] Patch Clearing flags on attachment: 291296 Committed r207169: <http://trac.webkit.org/changeset/207169>
All reviewed patches have been landed. Closing bug.