GitLab

Add a unittest to verify that permissions.contains() and
permissions.getAll() correctly return the current permissions for an
extension, even if it's affected by the runtime host permissions
feature.

Bug: 889654
Change-Id: I1ec42ed12208647cbee5784e4908a196e4b69994
Reviewed-on: https://chromium-review.googlesource.com/1247226Reviewed-by: Karan Bhatia <karandeepb@chromium.org>
Commit-Queue: Devlin <rdevlin.cronin@chromium.org>
Cr-Commit-Position: refs/heads/master@{#594838}