Simplify Site Settings tests.

chrome/browser/resources/settings/site_settings/constants.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.
 
 cr.define('settings', function() {
   /**
    * The possible contentSettingsTypes (the ones we currently support
    * configuring in the UI). This is a subset of the constants found under
    * content_setttings_types.h and the values should be kept in sync.
    * TODO(finnur): When all categories have been implemented we can just
@@ skipping 16 matching lines @@
    * Contains the possible values for a given contentSettingsType.
    * @enum {number}
    */
   var PermissionValues = {
     ALLOW: 1,
     BLOCK: 2,
     ASK: 3,
   };
 
   /**
+   * Contains the possible string values for a given contentSettingsType.
+   * @enum {string}
+   */
+  var PermissionStringValues = {
+    ALLOW: 'allow',
+    BLOCK: 'block',
+  };
+
+  /**
    * A category value to use for the All Sites list.
    * @const {number}
    */
   var ALL_SITES = -1;
 
   /**
    * An invalid subtype value.
    * @const {number}
    */
   var INVALID_CATEGORY_SUBTYPE = -1;
 
   return {
     ContentSettingsTypes: ContentSettingsTypes,
     PermissionValues: PermissionValues,
+    PermissionStringValues: PermissionStringValues,
     ALL_SITES: ALL_SITES,
     INVALID_CATEGORY_SUBTYPE: INVALID_CATEGORY_SUBTYPE,
   };
 });