GitLab

- Migrated ValidateCompletionCallback &
OwnershipStatusCallback from base::Callback
to base::OnceCallback as they are only run once.
- Moved the callbacks instead of const passing
them using constant references.

Bug: 714018
Change-Id: I1a92f95c8bd7cf373bd8cdc4d1fc79dd118855af
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2627156Reviewed-by: Maksim Ivanov <emaxx@chromium.org>
Commit-Queue: Aya Elsayed <ayaelattar@chromium.org>
Cr-Commit-Position: refs/heads/master@{#843426}