GitLab

The cookies used in the test don't explicitly specify SameSite
attribute, so eventually they'll be interpreted as 1st-party only.

Adjust the code in tests that queries them to delcare itself as 1st
party so it can actually see them.

Bug: 1006816
Change-Id: Ied26333b46fa76142580fbb0dabdcb0df25a08e1
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1856887Reviewed-by: Tarun Bansal <tbansal@chromium.org>
Commit-Queue: Maksim Orlovich <morlovich@chromium.org>
Cr-Commit-Position: refs/heads/master@{#706129}