[webkit-reviews] review canceled: [Bug 82973] Add keySystem attribute to canPlayType() for Encrypted Media Extensions : [Attachment 136712] Use null String

[bugzilla-daemon at webkit.org]

WebKit Review Bot <webkit.review.bot at gmail.com> has canceled  review:
Bug 82973: Add keySystem attribute to canPlayType() for Encrypted Media
Extensions
https://bugs.webkit.org/show_bug.cgi?id=82973

Attachment 136712: Use null String
https://bugs.webkit.org/attachment.cgi?id=136712&action=review