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Mike Conley authored
Bug 1520329 - Add messaging infrastructure for opening videos in a Picture in Picture window. r=Felipe Differential Revision: https://phabricator.services.mozilla.com/D16903 --HG-- extra : moz-landing-system : lando
52278792
Bug 1520329 - Add messaging infrastructure for opening videos in a Picture in Picture window. r=Felipe Differential Revision: https://phabricator.services.mozilla.com/D16903 --HG-- extra : moz-landing-system : lando