Allow default desktop content settings to be managed via policy

chrome/browser/resources/options/content_settings.js

Index: chrome/browser/resources/options/content_settings.js
diff --git a/chrome/browser/resources/options/content_settings.js b/chrome/browser/resources/options/content_settings.js
index 96c22793830b5357c53e35a2fc1a300c888b8686..fe882840daaeffa154d3ff6a6809a23fbad11e52 100644
--- a/chrome/browser/resources/options/content_settings.js
+++ b/chrome/browser/resources/options/content_settings.js
@@ -78,8 +78,13 @@ cr.define('options', function() {
    */
   ContentSettings.setContentFilterSettingsValue = function(dict) {
     for (var group in dict) {
-      document.querySelector('input[type=radio][name=' + group +
-                             '][value=' + dict[group] + ']').checked = true;
+      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 = dict[group]['managed'];
+      }
     }
   };