Bug 1095128: Make sure add-on updates remain disabled after each browser chrome test.

toolkit/mozapps/extensions/test/browser/browser_bug586574.js

@@ -21,15 +21,10 @@ var gSetDefault;
 var gResetToAutomatic;
 var gResetToManual;
 
-// Remember and restore preferences for this test, and make sure
-// we don't accidentally start a background update while the prefs
+// Make sure we don't accidentally start a background update while the prefs
 // are enabled.
 disableBackgroundUpdateTimer();
-var updatesEnabled = Services.prefs.getBoolPref(PREF_UPDATE_ENABLED);
-var autoDefault = Services.prefs.getBoolPref(PREF_AUTOUPDATE_DEFAULT);
 registerCleanupFunction(() => {
-  Services.prefs.setBoolPref(PREF_UPDATE_ENABLED, updatesEnabled);
-  Services.prefs.setBoolPref(PREF_AUTOUPDATE_DEFAULT, autoDefault);
   enableBackgroundUpdateTimer();
 });
 

toolkit/mozapps/extensions/test/browser/head.js

@@ -65,6 +65,8 @@ var gRestorePrefs = [{name: PREF_LOGGING_ENABLED},
                      {name: "extensions.webservice.discoverURL"},
                      {name: "extensions.update.url"},
                      {name: "extensions.update.background.url"},
+                     {name: "extensions.update.enabled"},
+                     {name: "extensions.update.autoUpdateDefault"},
                      {name: "extensions.getAddons.get.url"},
                      {name: "extensions.getAddons.getWithPerformance.url"},
                      {name: "extensions.getAddons.search.browseURL"},