GitLab

This was originally added in an attempt to remove SMIL [1] but that is
no longer being pursued.

[1] https://chromium.googlesource.com/chromium/src/+/e1ddf6ccc2e25dd02b7e97cc861c8a87fb6eca47

TBR=wangxianzhu@chromium.org

Change-Id: Ieb69c21e4848497b25890acac7a2c2125a70b075
Reviewed-on: https://chromium-review.googlesource.com/c/1313116
Commit-Queue: Philip Rogers <pdr@chromium.org>
Reviewed-by: Fredrik Söderquist <fs@opera.com>
Reviewed-by: Eric Willigers <ericwilligers@chromium.org>
Cr-Commit-Position: refs/heads/master@{#605359}