[MD settings] settings for pdf documents

chrome/browser/resources/settings/site_settings_page/site_settings_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-site-settings-page' is the settings page containing privacy and
  * security site settings.
  */
 Polymer({
@@ skipping 60 matching lines @@
    * that category.
    * @param {!Event} event The tap event.
    */
   onTapCategory: function(event) {
     var category = event.currentTarget.getAttribute('category');
     if (category == settings.ALL_SITES)
       settings.navigateTo(settings.Route.SITE_SETTINGS_ALL);
     else
       settings.navigateTo(this.computeCategoryRoute(category));
   },
+
+  /**
+   * Navigate to the route specified in the event dataset.
+   * @param {!Event} event The tap event.
+   * @private
+   */
+  onTapNavigate_: function(event) {
+    var dataSet = /** @type {{route: string}} */(event.currentTarget.dataset);
+    settings.navigateTo(settings.Route[dataSet.route]);
+  },
 });