GitLab

API proposal:
https://docs.google.com/a/chromium.org/document/d/1deeCrsvT9xA77UP4yWMhqbHgS3FvYCTF_8meIMQRrDo/edit#

BUG=387547
TEST=Build chrome, run PPAPITest, and run an app that uses ppapi.

Review URL: https://codereview.chromium.org/391323002

Cr-Commit-Position: refs/heads/master@{#290186}
git-svn-id: svn://svn.chromium.org/chrome/trunk/src@290186 0039d316-1c4b-4281-b951-d872f2087c98