Bug 1583841 - Add an expected range in ResourceProfileCounter. r=gw
Bug 1583841 - Add an expected range in ResourceProfileCounter. r=gw

Depends on D49438

Differential Revision: https://phabricator.services.mozilla.com/D49617

[wrupdater] From https://hg.mozilla.org/mozilla-central/rev/5979a213200682d5eef021820f88cd3a2ef2f936

servo/webrender,servo/webrender,servo/webrender,servo/webrender,servo/webrender,servo/webrender