GitLab

This CL is one part of the effort to change chrome to use gaiaid instead of
email address as the unique id for an account.

BUG=341408

Review URL: https://codereview.chromium.org/425823002

Cr-Commit-Position: refs/heads/master@{#291263}
git-svn-id: svn://svn.chromium.org/chrome/trunk/src@291263 0039d316-1c4b-4281-b951-d872f2087c98