GitLab

Also add a test.

Bug: 1018363
Change-Id: I99b2a24b7cd292ac1ec3963d0ebdb343591a5a00
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1881231
Commit-Queue: Alex Newcomer <newcomer@chromium.org>
Reviewed-by: Alex Newcomer <newcomer@chromium.org>
Auto-Submit: Manu Cornet <manucornet@chromium.org>
Cr-Commit-Position: refs/heads/master@{#709966}