GitLab

This removes the MediaController knob panel below the video
player, and replaces it with controls that are overlaid on
top of the video (and fade away after a small amount of time).

Also introduces a Mute button.

Bug: 895776, 656015
Change-Id: If89fa712c70b62eeda550be87478562c1a118914
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1992436Reviewed-by: Theresa  <twellington@chromium.org>
Reviewed-by: David Trainor <dtrainor@chromium.org>
Commit-Queue: Finnur Thorarinsson <finnur@chromium.org>
Cr-Commit-Position: refs/heads/master@{#732606}