GitLab

Also remove a bunch of usages of MockResourceContext that are no longer needed.

Bug: 908955
Change-Id: I3485595c83ef8e22f245c22c97775845c5e0e7fc
Reviewed-on: https://chromium-review.googlesource.com/c/1352035Reviewed-by: Ken Rockot <rockot@google.com>
Commit-Queue: John Abd-El-Malek <jam@chromium.org>
Cr-Commit-Position: refs/heads/master@{#611852}