GitLab

This test page can help validate scenarios where a page is behaving or
performing poorly.

Bug: 1009813
Change-Id: I0e31bc919194e0db19b0b346f9568a45828834ae
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1842278
Commit-Queue: Alexander Cooper <alcooper@chromium.org>
Commit-Queue: Jacob DeWitt <jacde@chromium.org>
Reviewed-by: Jacob DeWitt <jacde@chromium.org>
Auto-Submit: Alexander Cooper <alcooper@chromium.org>
Cr-Commit-Position: refs/heads/master@{#703087}