Bug 621158 - fix typo in advanced.js, actually enable test in e10s, rs=bustage,me

MozReview-Commit-ID: JCEoHxw5UPZ

browser/base/content/test/general/browser.ini

@@ -350,7 +350,7 @@ skip-if = os != "win" # The Fitts Law menu button is only supported on Windows (
 [browser_mixedcontent_securityflags.js]
 tags = mcb
 [browser_offlineQuotaNotification.js]
-skip-if = buildapp == 'mulet' || e10s # Bug 1093603 - test breaks with PopupNotifications.panel.firstElementChild is null
+skip-if = buildapp == 'mulet'
 [browser_gZipOfflineChild.js]
 skip-if = buildapp == 'mulet' # Bug 1066070 - I don't think either popup notifications nor addon install stuff works?
 support-files = test_offline_gzip.html gZipOfflineChild.cacheManifest gZipOfflineChild.cacheManifest^headers^ gZipOfflineChild.html gZipOfflineChild.html^headers^

browser/components/preferences/in-content/advanced.js

@@ -518,7 +518,7 @@ var gAdvancedPane = {
     for (let group of groups) {
       let uri = Services.io.newURI(group, null, null);
       if (perm.matchesURI(uri, true)) {
-        let cache = cacheService.getActiveCache(groups);
+        let cache = cacheService.getActiveCache(group);
         usage += cache.usage;
       }
     }