Convert SiteSettingsCategory to use the HostContentSettingsMap instead of

chrome/browser/resources/settings/site_settings/site_settings_behavior.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 Behavior common to Site Settings classes.
  */
 
 /** @polymerBehavior */
 var SiteSettingsBehaviorImpl = {
   properties: {
     /**
      * The ID of the category this element is displaying data for.
      * See site_settings/constants.js for possible values.
      */
     category: Number,
   },
 
   /**
-   * Returns whether the category default is set to enabled or not.
-   * @param {number} category The category to check.
-   * @return {boolean} True if the category default is set to enabled.
-   * @protected
-   */
-  isCategoryAllowed: function(category) {
-    var pref = this.getPref(this.computeCategoryPrefName(category));
-
-    // FullScreen is Allow vs. Ask.
-    if (category == settings.ContentSettingsTypes.FULLSCREEN)
-      return pref.value != settings.PermissionValues.ASK;
-
-    return pref.value != settings.PermissionValues.BLOCK;
-  },
-
-  /**
    * Re-sets the category permission for a given origin.
    * @param {string} origin The origin to change the permission for.
    * @param {number} category The category permission to change.
    * @protected
    */
   resetCategoryPermissionForOrigin: function(origin, category) {
     var pref = JSON.parse(JSON.stringify(this.getPref(
         this.computeCategoryExceptionsPrefName(category))));
     delete pref.value[origin + ',' + origin];
     delete pref.value[origin + ',*'];
@@ skipping 243 matching lines @@
             loadTimeData.getString('siteSettingsShowAll');
       default:
         assertNotReached();
         return '';
     }
   },
 };
 
 /** @polymerBehavior */
 var SiteSettingsBehavior = [PrefsBehavior, SiteSettingsBehaviorImpl];