This was kept to support old xul addons. All mozilla-central usages
have been removed and now uses Loader.jsm to get access to this module.
Differential Revision: https://phabricator.services.mozilla.com/D38321
--HG--
extra : moz-landing-system : lando
ChromeUtils.import still support a second argument as it used to do
when it was Components.utils.import. But this is deprecated and we should
instead always use the returned value.
Differential Revision: https://phabricator.services.mozilla.com/D37708
--HG--
extra : moz-landing-system : lando
Alexandre Poirot
yulia
arthur.iakab
sole