The Tor Browser / file revision

 // Prefs specific to b2g mochitests

 user_pref("browser.homescreenURL","app://test-container.gaiamobile.org/index.html");

 user_pref("browser.manifestURL","app://test-container.gaiamobile.org/manifest.webapp");

 user_pref("dom.mozBrowserFramesEnabled", "%(OOP)s");

 user_pref("dom.ipc.tabs.disabled", false);

 user_pref("dom.ipc.browser_frames.oop_by_default", false);

 user_pref("dom.mozBrowserFramesWhitelist","app://test-container.gaiamobile.org,http://mochi.test:8888");

 user_pref("marionette.force-local", true);

 user_pref("dom.testing.datastore_enabled_for_hosted_apps", true);