Mark Banner
8ce23e4908
Bug 1864821 - Replace PromiseUtils.defer() with Promise.withResolvers() in system modules. r=Gijs,perftest-reviewers,necko-reviewers,extension-reviewers,application-update-reviewers,fxview-reviewers,sync-reviewers,sessionstore-reviewers,reusable-components-reviewers,rpl,jesup,hjones,kshampur,skhamis,nalexander,sclements
Differential Revision: https://phabricator.services.mozilla.com/D197489