GitLab

This potentially provides a small amount of information that help could
identify a user across sites.

Bug: 973801
Change-Id: Ie9e16755323a4418b2d3109ce4993bcbe0d36a33
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2443549Reviewed-by: David Bokan <bokan@chromium.org>
Reviewed-by: Asanka Herath <asanka@chromium.org>
Commit-Queue: Asanka Herath <asanka@chromium.org>
Cr-Commit-Position: refs/heads/master@{#812983}