GitLab

Another recent flake was in
https://ci.chromium.org/buildbot/chromium.webkit/WebKit%20Mac10.13%20%28retina%29/1633

TBR=sahel@chromium.org

Bug: 869726
Change-Id: I8822f4fb53a2c762ddbb46f66ba307b3803b765d
Reviewed-on: https://chromium-review.googlesource.com/1179836Reviewed-by: Friedrich Horschig <fhorschig@chromium.org>
Commit-Queue: Friedrich Horschig <fhorschig@chromium.org>
Cr-Commit-Position: refs/heads/master@{#584063}