MD Settings: implement printing 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.
 
 /**
  * @typedef {{
  *   url: string,
  *   page: string,
  *   section: string,
  *   subpage: !Array<string>,
@@ skipping 429 matching lines @@
       subpage: ['edit-dictionary'],
     },
 </if>
     {
       url: '/downloadsDirectory',
       page: 'advanced',
       section: 'downloads',
       subpage: [],
     },
     {
+      url: '/printing',
+      page: 'advanced',
+      section: 'printing',
+      subpage: [],
+    },
+    {
       url: '/accessibility',
       page: 'advanced',
       section: 'a11y',
       subpage: [],
     },
     {
       url: '/system',
       page: 'advanced',
       section: 'system',
       subpage: [],
@@ skipping 87 matching lines @@
           window.history.replaceState(historicState, document.title);
         }
 
         return;
       }
     }
 
     assertNotReached('Route not found: ' + JSON.stringify(newRoute));
   },
 });