[webkit-reviews] review requested: [Bug 163967] Making all Event.initEvent() parameters mandatory caused some breakage : [Attachment 292808] Patch

[bugzilla-daemon at webkit.org]

Chris Dumez <cdumez at apple.com> has asked  for review:
Bug 163967: Making all Event.initEvent() parameters mandatory caused some
breakage
https://bugs.webkit.org/show_bug.cgi?id=163967

Attachment 292808: Patch

https://bugs.webkit.org/attachment.cgi?id=292808&action=review