GitLab

This CL uses video.requestVideoFrameCallback to guarantee a video frame
is displayed on screen before ending the test.

Bug: 1083314
Change-Id: I1e011d9bc18260f2bad3867892ed623bd4de4b0d
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2561779
Commit-Queue: Thomas Guilbert <tguilbert@chromium.org>
Commit-Queue: Tommy Steimel <steimel@chromium.org>
Auto-Submit: Thomas Guilbert <tguilbert@chromium.org>
Reviewed-by: Tommy Steimel <steimel@chromium.org>
Cr-Commit-Position: refs/heads/master@{#831962}