GitLab

Clean up permission request manager unit tests

Delete duplicated manager unit tests

Change-Id: If4b400dc6a3262363cd68f0d92b7efdffcd21438
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2550816
Commit-Queue: Olesia Marukhno <olesiamarukhno@google.com>
Reviewed-by: Bret Sepulveda <bsep@chromium.org>
Reviewed-by: Balazs Engedy <engedy@chromium.org>
Cr-Commit-Position: refs/heads/master@{#830597}