GitLab

https://docs.google.com/document/d/1IZ7HtM0BZlMgNyYo6AUHGL84k
RTnH4qt3fd-hXqfjvs/edit#

Review-Url: https://codereview.chromium.org/2339093003
Cr-Commit-Position: refs/heads/master@{#419325}