GitLab

This is a preparation CL for https://crrev.com/c/1628495 so that
it has a nice diff.

Bug: 623464

Change-Id: I3adcb0796ea619804f61a7cc2a69821300b2bf60
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1628627
Commit-Queue: Hayato Ito <hayato@chromium.org>
Reviewed-by: Matt Falkenhagen <falken@chromium.org>
Reviewed-by: Kinuko Yasuda <kinuko@chromium.org>
Cr-Commit-Position: refs/heads/master@{#663000}