GitLab

This is a follow-up CL from crrev.com/c/998112, adding
the sync-paused icon to the avatar button on Mac.

Bug: 825533
Change-Id: Ia07908a362150f784ce91ef7a8dea96d2cea7b59
Reviewed-on: https://chromium-review.googlesource.com/1007135Reviewed-by: Elly Fong-Jones <ellyjones@chromium.org>
Commit-Queue: Thomas Tangl <tangltom@chromium.org>
Cr-Commit-Position: refs/heads/master@{#550185}