const XULAPPINFO_CONTRACTID = "@mozilla.org/xre/app-info;1"; const XULAPPINFO_CID = Components.ID("{4ba645d3-be6f-40d6-a42a-01b2f40091b8}"); var { Services } = ChromeUtils.import("resource://gre/modules/Services.jsm"); function registerManifests(manifests) { var reg = Components.manager.QueryInterface(Ci.nsIComponentRegistrar); for (var manifest of manifests) { reg.autoRegister(manifest); } }