GitLab

Use it to remove NotificationService usage from DriveIntegrationService
(others to follow).

See code comments for usage notes.

Bug: 268984
Change-Id: I64f153def34e5d08bc3b247ed0b865037d18af69
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1853024
Commit-Queue: Evan Stade <estade@chromium.org>
Reviewed-by: Sylvain Defresne <sdefresne@chromium.org>
Reviewed-by: David Roger <droger@chromium.org>
Cr-Commit-Position: refs/heads/master@{#705986}