[MD settings] I18nBehavior return textContent from i18n()

chrome/browser/resources/settings/about_page/about_page.js

 // Copyright 2016 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 /**
  * @fileoverview 'settings-about-page' contains version and OS related
  * information.
  */
 
 Polymer({
@@ skipping 259 matching lines @@
   },
 
   /**
    * @return {string}
    * @private
    */
   getUpdateStatusMessage_: function() {
     switch (this.currentUpdateStatusEvent_.status) {
       case UpdateStatus.CHECKING:
       case UpdateStatus.NEED_PERMISSION_TO_UPDATE:
-        return this.i18n('aboutUpgradeCheckStarted');
+        return this.i18nAdvanced('aboutUpgradeCheckStarted');
       case UpdateStatus.NEARLY_UPDATED:
 // <if expr="chromeos">
         if (this.currentChannel_ != this.targetChannel_)
-          return this.i18n('aboutUpgradeSuccessChannelSwitch');
+          return this.i18nAdvanced('aboutUpgradeSuccessChannelSwitch');
 // </if>
-        return this.i18n('aboutUpgradeRelaunch');
+        return this.i18nAdvanced('aboutUpgradeRelaunch');
       case UpdateStatus.UPDATED:
-        return this.i18n('aboutUpgradeUpToDate');
+        return this.i18nAdvanced('aboutUpgradeUpToDate');
       case UpdateStatus.UPDATING:
         assert(typeof this.currentUpdateStatusEvent_.progress == 'number');
         var progressPercent = this.currentUpdateStatusEvent_.progress + '%';
 
 // <if expr="chromeos">
         if (this.currentChannel_ != this.targetChannel_) {
-          return this.i18n(
-              'aboutUpgradeUpdatingChannelSwitch',
-              this.i18n(settings.browserChannelToI18nId(this.targetChannel_)),
-              progressPercent);
+          return this.i18nAdvanced('aboutUpgradeUpdatingChannelSwitch', {
+            substitutions: [
+              this.i18nAdvanced(
+                  settings.browserChannelToI18nId(this.targetChannel_)),
+              progressPercent
+            ]
+          });
         }
 // </if>
         if (this.currentUpdateStatusEvent_.progress > 0) {
           // NOTE(dbeam): some platforms (i.e. Mac) always send 0% while
           // updating (they don't support incremental upgrade progress). Though
           // it's certainly quite possible to validly end up here with 0% on
           // platforms that support incremental progress, nobody really likes
           // seeing that they're 0% done with something.
-          return this.i18n('aboutUpgradeUpdatingPercent', progressPercent);
+          return this.i18nAdvanced('aboutUpgradeUpdatingPercent', {
+            substitutions: [progressPercent],
+          });
         }
-        return this.i18n('aboutUpgradeUpdating');
+        return this.i18nAdvanced('aboutUpgradeUpdating');
       default:
         function formatMessage(msg) {
           return parseHtmlSubset(
               '<b>' + msg + '</b>', ['br', 'pre']).firstChild.innerHTML;
         }
         var result = '';
         var message = this.currentUpdateStatusEvent_.message;
         if (message)
           result += formatMessage(message);
         var connectMessage = this.currentUpdateStatusEvent_.connectionTypes;
@@ skipping 129 matching lines @@
     });
   },
 
 // <if expr="_google_chrome">
   /** @private */
   onReportIssueTap_: function() {
     this.aboutBrowserProxy_.openFeedbackDialog();
   },
 // </if>
 });