Settings: a11y: Just hide 'additional features' link

chrome/browser/resources/settings/a11y_page/manage_a11y_page.js

 // Copyright 2016 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-manage-a11y-page' is the subpage with the accessibility
  * settings.
  */
 Polymer({
@@ skipping 44 matching lines @@
     /**
      * Whether adjustable large cursor is enabled or not.
      * @private {boolean}
      */
     enableAdjustableLargeCursor_: {
       type: Boolean,
       value: function() {
         return loadTimeData.getBoolean('enableAdjustableLargeCursor');
       },
     },
+
+    /** @private */
+    isGuest_: {
+      type: Boolean,
+      value: function() { return loadTimeData.getBoolean('isGuest'); }
+    },
   },
 
   /** @private */
   onChromeVoxSettingsTap_: function() {
     chrome.send('showChromeVoxSettings');
   },
 
   /** @private */
   onSelectToSpeakSettingsTap_: function() {
     chrome.send('showSelectToSpeakSettings');
@@ skipping 31 matching lines @@
         settings.Route.POINTERS,
         /* dynamicParams */ null, /* removeSearch */ true);
   },
 
   /** @private */
   onMoreFeaturesTap_: function() {
     window.open(
         'https://chrome.google.com/webstore/category/collection/accessibility');
   },
 });