GitLab

1. media::OpenH264VideoEncoder hidden behind the build flag
2. webcodecs/VideoEncoder using it when accelerated implementation
   is not available.
3. webtests exercising it

TBR=ssilken

Using TBR here, because neither Sergey nor Erik are apparently
Chromium committers and can't give an official +1.
(even though they're OpenH264 owners).

Sergey already left LGTM in the CL comments.

Bug: 1127073
Change-Id: Ida865f5fb8973999a75e15f488fc9df1d9506b31
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2425293
Commit-Queue: Eugene Zemtsov <eugene@chromium.org>
Reviewed-by: Dan Sanders <sandersd@chromium.org>
Cr-Commit-Position: refs/heads/master@{#810876}