GitLab

This is the GYP counterpart of the GN changes in
https://codereview.chromium.org/1008603002/.

R=mtklein@google.com,petarj@mips.com,reed@google.com
BUG=none

Review URL: https://codereview.chromium.org/1010773007

Cr-Commit-Position: refs/heads/master@{#321256}