Backed out changeset 7c60268706f3 (bug 956332) for xperf regressions.

--HG--
rename : toolkit/components/passwordmgr/test/unit/test_storage_mozStorage.js => toolkit/components/passwordmgr/test/unit/test_storage_mozStorage_migrate.js
rename : toolkit/components/passwordmgr/test/unit/test_notifications.js => toolkit/components/passwordmgr/test/unit/test_storage_mozStorage_notify.js