Allow the ChromeOS Video Player app to use <video> autoPictureInPicture

Following low-latency canvas for PDF annotations feature approach, this
CL makes sure Auto Picture-in-Picture is enabled for the built-in Chrome
OS video player app.

https://chromium-review.googlesource.com/c/chromium/src/+/1506916
https://groups.google.com/a/chromium.org/forum/#!topic/blink-dev/eFZ3h_A3VTY

Bug: 938226
Change-Id: I0a1bd32130612a5ab1d2034751df293c76669ed1
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1508400
Auto-Submit: François Beaufort <beaufort.francois@gmail.com>
Reviewed-by: Naoki Fukino <fukino@chromium.org>
Reviewed-by: dstockwell <dstockwell@chromium.org>
Reviewed-by: Trent Apted <tapted@chromium.org>
Reviewed-by: Mounir Lamouri <mlamouri@chromium.org>
Commit-Queue: dstockwell <dstockwell@chromium.org>
Cr-Commit-Position: refs/heads/master@{#640206}
2 files changed