GitLab

The ConsistencyChecker callback is only ever invoked from
DeclarativeRule::Create and never stored so this should be a
OnceCallback.

Bug: 1152268
Change-Id: I6148ce40bc0a04d25e5ab9c936fd8f83fa7e5b83
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2593936Reviewed-by: Karan Bhatia <karandeepb@chromium.org>
Commit-Queue: David Bokan <bokan@chromium.org>
Cr-Commit-Position: refs/heads/master@{#837596}