[MD Settings] Add initial autofill sub page.

chrome/browser/resources/settings/settings_page/settings_router.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-router' is a simple router for settings. Its responsibilities:
  *  - Update the URL when the routing state changes.
  *  - Initialize the routing state with the initial URL.
  *  - Process and validate all routing state changes.
@@ skipping 297 matching lines @@
       subpage: ['bluetooth-add-device'],
     },
     {
       url: '/bluetoothAddDevice/bluetoothPairDevice',
       page: 'advanced',
       section: 'bluetooth',
       subpage: ['bluetooth-add-device', 'bluetooth-pair-device'],
     },
 </if>
     {
+      url: '/autofill',
+      page: 'advanced',
+      section: 'passwordsAndForms',
+      subpage: ['manage-autofill'],
+    },
+    {
       url: '/passwords',
       page: 'advanced',
       section: 'passwordsAndForms',
       subpage: ['manage-passwords'],
     },
     {
       url: '/languages',
       page: 'advanced',
       section: 'languages',
       subpage: ['manage-languages'],
@@ skipping 95 matching lines @@
           window.history.replaceState(historicState, document.title);
         }
 
         return;
       }
     }
 
     assertNotReached('Route not found: ' + JSON.stringify(newRoute));
   },
 });