This should fix the weird gn problem with git cl format.

BUG=None

Change-Id: I35d4cf110bda302b6336ef412613a80fcde8208b
Reviewed-on: https://chromium-review.googlesource.com/402253Reviewed-by: Jamie Madill <jmadill@chromium.org>
Commit-Queue: Jamie Madill <jmadill@chromium.org>