GitLab

We're becoming picker about 1st party vs. 3rd party distinction, requiring
explicit marking, so adjust tests.

This doesn't help some of the metrics tests in URLRequest

Bug: 1016512

Change-Id: Ib07d460840d7c7796810b57b0ee95d8676b7bb95
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1872638
Commit-Queue: Maksim Orlovich <morlovich@chromium.org>
Reviewed-by: Lily Chen <chlily@chromium.org>
Cr-Commit-Position: refs/heads/master@{#708204}