GitLab

Design: https://docs.google.com/document/d/1-4n1RLaJs8ANw34TsS6BVt7ARa7lK70F6aHFG2CL3Rc/edit#heading=h.6a92f2gfl9le
Bug: 1133310
Change-Id: I70210d3f6ac82450607acd89a78d08a53dd52ef4
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2436763
Commit-Queue: Steven Valdez <svaldez@chromium.org>
Reviewed-by: David Van Cleve <davidvc@chromium.org>
Cr-Commit-Position: refs/heads/master@{#825696}