GitLab

Looks like this was introduced in
https://codereview.chromium.org/2111563002 and then renamed in
https://codereview.chromium.org/2711553002
but the introduced "plumbing"
(https://codereview.chromium.org/2144313002)
never actually used it. Instead, this is used through a pref.

Bug: 1151389
Test: compiles
Change-Id: Idd809a01c3e9ea0eb69bb61db44e32cd9ad2cc29
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2555017Reviewed-by: Alexander Hendrich <hendrich@chromium.org>
Commit-Queue: Alexander Hendrich <hendrich@chromium.org>
Commit-Queue: Pavol Marko <pmarko@chromium.org>
Cr-Commit-Position: refs/heads/master@{#830197}