GitLab

It was only used for sync compositing in Android WebViews, but those
were converted to mojo, leaving this unused.

Bug: 526842, 1111231
Change-Id: I491659a6a696da6a317f6ae9eda318e81be1c1af
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2550145
Commit-Queue: Tal Pressman <talp@chromium.org>
Reviewed-by: Ken Rockot <rockot@google.com>
Reviewed-by: Kouhei Ueno <kouhei@chromium.org>
Reviewed-by: Nasko Oskov <nasko@chromium.org>
Cr-Commit-Position: refs/heads/master@{#831243}