MD Settings: Lazy-load sub-pages.

chrome/browser/resources/settings/privacy_page/privacy_page.js

 // Copyright 2015 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-privacy-page' is the settings page containing privacy and
  * security settings.
  *
  * Example:
  *
  *    <iron-animated-pages>
  *      <settings-privacy-page prefs="{{prefs}}">
  *      </settings-privacy-page>
  *      ... other pages ...
  *    </iron-animated-pages>
  */
 Polymer({
   is: 'settings-privacy-page',
 
+  behaviors: [
+    I18nBehavior,
+  ],
+
   properties: {
     /**
      * Preferences state.
      */
     prefs: {
       type: Object,
       notify: true,
     },
 
     /**
@@ skipping 22 matching lines @@
   /** @private */
   onSiteSettingsTap_: function() {
     this.$.pages.setSubpageChain(['site-settings']);
   },
 
   /** @private */
   onClearBrowsingDataTap_: function() {
     this.$.pages.querySelector('settings-clear-browsing-data-dialog').open();
   },
 });