We need to review the current implementation to make sure that the following events are fired correctly. webkitbeginfullscreen webkitendfullscreen webkitfullscreenchange webkitfullscreenerror webkitpresentationmodechanged enterpictureinpicture leavepictureinpicture
<rdar://problem/68172459>
Created attachment 412384 [details] WIP patch
Created attachment 412467 [details] WIP patch v2