This came up as a thing I wanted to use here:
https://chromium-review.googlesource.com/c/chromium/tools/build/+/3449158

Bug: None
Change-Id: I631c66a1b81bddedaf0e812a590a8e05db958fa5
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/tools/depot_tools/+/3449844
Auto-Submit: Andrew Grieve <agrieve@chromium.org>
Reviewed-by: Robbie Iannucci <iannucci@chromium.org>
Commit-Queue: Robbie Iannucci <iannucci@chromium.org>