[webkit-reviews] review requested: [Bug 79791] Setting mode for track element not working : [Attachment 135231] fixes problem, needs tests

[bugzilla-daemon at webkit.org]

Anna Cavender <annacc at chromium.org> has asked  for review:
Bug 79791: Setting mode for track element not working
https://bugs.webkit.org/show_bug.cgi?id=79791

Attachment 135231: fixes problem, needs tests
https://bugs.webkit.org/attachment.cgi?id=135231&action=review