[Policy Experimental] Add "recommended" policies for URL exceptions.

chrome/browser/resources/options/content_settings.js

 // Copyright (c) 2012 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.exportPath('options');
 
 /**
  * @typedef {{appId: string,
  *            appName: (string|undefined),
  *            embeddingOrigin: (string|undefined),
@@ skipping 108 matching lines @@
     for (var group in dict) {
       var settingLabel = $(group + '-default-string');
       if (settingLabel) {
         var value = dict[group].value;
         var valueId =
             permissionsLookup[group] + value[0].toUpperCase() + value.slice(1);
         settingLabel.textContent = loadTimeData.getString(valueId);
       }
 
       var managedBy = dict[group].managedBy;
-      var controlledBy = managedBy == 'policy' || managedBy == 'extension' ?
-          managedBy : null;
+      var controlledBy = managedBy == 'policy' || managedBy == 'extension' ||
+          managedBy == 'recommended' ? managedBy : null;
       document.querySelector('input[type=radio][name=' + group + '][value=' +
                              dict[group].value + ']').checked = true;
       var radios = document.querySelectorAll('input[type=radio][name=' +
                                              group + ']');
       for (var i = 0, len = radios.length; i < len; i++) {
-        radios[i].disabled = (managedBy != 'default');
+        radios[i].disabled = managedBy != 'default' &&
+            managedBy != 'recommended';
         radios[i].controlledBy = controlledBy;
       }
       var indicators = document.querySelectorAll(
           'span.controlled-setting-indicator[content-setting=' + group + ']');
       if (indicators.length == 0)
         continue;
       // Create a synthetic pref change event decorated as
       // CoreOptionsHandler::CreateValueForPref() does.
       var event = new Event(group);
       event.value = {
@@ skipping 164 matching lines @@
     var deviceSelect = $('media-select-camera');
     chrome.send('setDefaultCaptureDevice', ['camera', deviceSelect.value]);
   };
 
   // Export
   return {
     ContentSettings: ContentSettings
   };
 
 });