Backed out changeset c0bf622859f6 (bug 1480798) for chrome failures at intl/l10n/test/dom/test_domloc.xul

intl/l10n/DOMLocalization.jsm

@@ -20,8 +20,6 @@
 
 const { Localization } =
   ChromeUtils.import("resource://gre/modules/Localization.jsm", {});
-const { Services } =
-  ChromeUtils.import("resource://gre/modules/Services.jsm", {});
 
 // Match the opening angle bracket (<) in HTML tags, and HTML entities like
 // &amp;, &#0038;, &#x0026;.
@@ -574,20 +572,7 @@ class DOMLocalization extends Localization {
   translateRoots() {
     const roots = Array.from(this.roots);
     return Promise.all(
-      roots.map(async root => {
-        // We want to first retranslate the UI, and
-        // then (potentially) flip the directionality.
-        //
-        // This means that the DOM alternations and directionality
-        // are set in the same microtask.
-        await this.translateFragment(root);
-        let primaryLocale = Services.locale.getAppLocaleAsBCP47();
-        let direction = Services.locale.isAppLocaleRTL ? "rtl" : "ltr";
-        root.setAttribute("lang", primaryLocale);
-        root.setAttribute(root.namespaceURI ===
-          "http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul"
-          ? "localedir" : "dir", direction);
-      })
+      roots.map(root => this.translateFragment(root))
     );
   }