GitLab

This enables testing WebGPU from Blink on DEPS Dawn bots.

Bug: 877147
Change-Id: Idb50a32199ded13e308b295496c31418564704a5
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1517156Reviewed-by: Kenneth Russell <kbr@chromium.org>
Commit-Queue: Austin Eng <enga@chromium.org>
Cr-Commit-Position: refs/heads/master@{#658749}