GitLab

Spec: https://w3c.github.io/reporting/#generate-test-report-command

Change-Id: Ia6932007db49eb11c005752b8eace6d7f1267e4f
Reviewed-on: https://chromium-review.googlesource.com/1221694Reviewed-by: John Chen <johnchen@chromium.org>
Commit-Queue: Paul Meyer <paulmeyer@chromium.org>
Cr-Commit-Position: refs/heads/master@{#593576}