Options: fix "Manage extension" link in controlled-by-extension bubbles

chrome/browser/resources/options/controlled_setting.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.define('options', function() {
   /** @const */ var Preferences = options.Preferences;
 
   /**
    * A controlled setting indicator that can be placed on a setting as an
    * indicator that the value is controlled by some external entity such as
@@ skipping 156 matching lines @@
         var extensionName = extensionContainer.querySelector(
             '.controlled-setting-bubble-extension-name');
         extensionName.textContent = this.extensionName;
         extensionName.style.backgroundImage =
             'url("' + this.extensionIcon + '")';
 
         var manageLink = extensionContainer.querySelector(
             '.controlled-setting-bubble-extension-manage-link');
         var extensionId = this.extensionId;
         manageLink.onclick = function() {
-          uber.invokeMethodOnWindow(
-              window.top, 'showPage',
-              {pageId: 'extensions', path: '?id=' + extensionId});
+          if (window != window.top) {
+            uber.invokeMethodOnWindow(
+                window.top, 'showPage',
+                {pageId: 'extensions', path: '?id=' + extensionId});
+          } else {
+            window.open('chrome://extensions/?id=' + extensionId);
+          }
         };
 
         var disableButton = extensionContainer.querySelector(
             '.controlled-setting-bubble-extension-disable-button');
         disableButton.onclick =
             function() { chrome.send('disableExtension', [extensionId]); };
         content.appendChild(extensionContainer);
       }
       return content;
     },
@@ skipping 23 matching lines @@
    * ensuring that only one of them is visible at a time.
    */
   cr.defineProperty(ControlledSettingIndicator, 'value',
                     cr.PropertyKind.ATTR);
 
   // Export.
   return {
     ControlledSettingIndicator: ControlledSettingIndicator
   };
 });