GitLab

Will add the client itself in a separate CL
This is basically following the template of https://chromium-review.googlesource.com/c/chromium/src/+/1416131

Bug: 1146151
Change-Id: I77a32bdf4021768d902f9975c1077f3c0fbd3c77
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2522399Reviewed-by: Min Qin <qinmin@chromium.org>
Reviewed-by: Robert Kaplow <rkaplow@chromium.org>
Reviewed-by: Michael Crouse <mcrouse@chromium.org>
Commit-Queue: Sophie Chang <sophiechang@chromium.org>
Cr-Commit-Position: refs/heads/master@{#825904}