GitLab

This layout test has been flaky for some time.

TBR=peter@chromium.org

Bug: 869470
Change-Id: I1749a81e5172962126c0ee32afaeb7f78e4fca13
Reviewed-on: https://chromium-review.googlesource.com/1157118Reviewed-by: Fabrice de Gans-Riberi <fdegans@chromium.org>
Commit-Queue: Fabrice de Gans-Riberi <fdegans@chromium.org>
Cr-Commit-Position: refs/heads/master@{#579519}