GitLab

The build hasn't used gcc for a long time now, and we've been
off svn for a while as well.

Bug: none
Change-Id: I3c90b7395bec146dc29bd86b869d55e1f68550fb
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1763872
Commit-Queue: Nico Weber <thakis@chromium.org>
Reviewed-by: Thomas Anderson <thomasanderson@chromium.org>
Cr-Commit-Position: refs/heads/master@{#689076}