MD Settings: Lazy-load sub-pages.

chrome/browser/resources/settings/internet_page/internet_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-internet-page' is the settings page containing internet
  * settings.
  *
  * Example:
  *
  *    <core-animated-pages>
  *      <settings-internet-page prefs='{{prefs}}'>
  *      </settings-internet-page>
  *      ... other pages ...
  *    </core-animated-pages>
  */
 Polymer({
   is: 'settings-internet-page',
 
+  behaviors: [
+    I18nBehavior,
+  ],
+
   properties: {
     /**
      * The current active route.
      */
     currentRoute: {
       type: Object,
       notify: true,
     },
 
     /**
@@ skipping 32 matching lines @@
   /**
    * @param {!{detail: {type: string}}} event
    * @private
    */
   onShowKnownNetworks_: function(event) {
     this.knownNetworksType = event.detail.type;
     this.$.pages.setSubpageChain(['known-networks']);
   },
 
 });