GitLab

This also moves the ignore blacklist flag one call level higher for use
in browser tests, instead of having to load hints for every test.

Bug: 938621
Change-Id: Ie13f87463dccb9e2a3d57a0cda9b89a80fdb9f55
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1504256Reviewed-by: Tarun Bansal <tbansal@chromium.org>
Reviewed-by: Ryan Sturm <ryansturm@chromium.org>
Commit-Queue: Robert Ogden <robertogden@chromium.org>
Cr-Commit-Position: refs/heads/master@{#638304}