GitLab

This adds the following debug URLS:
  - chrome://memory-pressure-critical/
  - chrome://memory-pressure-moderate/

These URLs will be useful to improve our memory pressure handlers.

Change-Id: I70e709c57a19661f7c268128e467fd93f87034a8
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1940748Reviewed-by: Nico Weber <thakis@chromium.org>
Reviewed-by: Matt Falkenhagen <falken@chromium.org>
Commit-Queue: Sébastien Marchand <sebmarchand@chromium.org>
Auto-Submit: Sébastien Marchand <sebmarchand@chromium.org>
Cr-Commit-Position: refs/heads/master@{#721543}