[webkit-reviews] review requested: [Bug 53020] [Meta] Convert HTMLMediaElement to use the new shadow DOM : [Attachment 84627] WIP: Another checkpoint.

[bugzilla-daemon at webkit.org]

Dimitri Glazkov (Google) <dglazkov at chromium.org> has asked  for review:
Bug 53020: [Meta] Convert HTMLMediaElement to use the new shadow DOM
https://bugs.webkit.org/show_bug.cgi?id=53020

Attachment 84627: WIP: Another checkpoint.
https://bugs.webkit.org/attachment.cgi?id=84627&action=review