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These were reviewed by senior engineers across the project on
https://docs.google.com/document/d/1EZNCv9szJzY6ADyj_WojT9iRB6JJUY9aGc6cNiGnvCo/edit

Change-Id: I8a839ec93403b3b7fe7bad7ed17bb440e7cb980a
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2556450Reviewed-by: Jochen Eisinger <jochen@chromium.org>
Commit-Queue: Jason Clinton <jclinton@chromium.org>
Cr-Commit-Position: refs/heads/master@{#832013}