Backed out 6 changesets (bug 1639515) for causing failures on test_in…

…tlUtils_getDisplayNames.html. CLOSED TREE

Backed out changeset eaff696ed6a6 (bug 1639515)
Backed out changeset 6d361f92b27e (bug 1639515)
Backed out changeset 6919213b03f7 (bug 1639515)
Backed out changeset 5a08d3b17fa7 (bug 1639515)
Backed out changeset 3681111b7ed3 (bug 1639515)
Backed out changeset 970826244d07 (bug 1639515)

browser/actors/AboutProtectionsParent.jsm

@@ -390,14 +390,20 @@ class AboutProtectionsParent extends JSWindowActorParent {
         break;
       case "FetchContentBlockingEvents":
         let dataToSend = {};
-        let displayNames = new Services.intl.DisplayNames(undefined, {
-          type: "weekday",
-          style: "abbreviated",
-          calendar: "gregory",
+        let weekdays = Services.intl.getDisplayNames(undefined, {
+          style: "short",
+          keys: [
+            "dates/gregorian/weekdays/sunday",
+            "dates/gregorian/weekdays/monday",
+            "dates/gregorian/weekdays/tuesday",
+            "dates/gregorian/weekdays/wednesday",
+            "dates/gregorian/weekdays/thursday",
+            "dates/gregorian/weekdays/friday",
+            "dates/gregorian/weekdays/saturday",
+            "dates/gregorian/weekdays/sunday",
+          ],
         });
-
-        // Weekdays starting Sunday (7) to Saturday (6).
-        let weekdays = [7, 1, 2, 3, 4, 5, 6].map(day => displayNames.of(day));
+        weekdays = Object.values(weekdays.values);
         dataToSend.weekdays = weekdays;
 
         if (PrivateBrowsingUtils.isWindowPrivate(win)) {

dom/base/IntlUtils.cpp

@@ -69,7 +69,7 @@ void IntlUtils::GetDisplayNames(const Sequence<nsString>& aLocales,
 
   // Now call the method.
   JS::Rooted<JS::Value> retVal(cx);
-  nsresult rv = mozIntl->GetDisplayNamesDeprecated(locales, options, &retVal);
+  nsresult rv = mozIntl->GetDisplayNames(locales, options, &retVal);
   if (NS_FAILED(rv)) {
     aError.Throw(rv);
     return;