Plugin Power Saver: Add back 'Click to play' option as 4th for plugins.

chrome/browser/resources/options/content_settings_exceptions_area.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.contentSettings', function() {
   /** @const */ var ControlledSettingIndicator =
                     options.ControlledSettingIndicator;
   /** @const */ var InlineEditableItemList = options.InlineEditableItemList;
   /** @const */ var InlineEditableItem = options.InlineEditableItem;
   /** @const */ var ArrayDataModel = cr.ui.ArrayDataModel;
@@ skipping 55 matching lines @@
       var optionAllow = cr.doc.createElement('option');
       optionAllow.textContent = loadTimeData.getString('allowException');
       optionAllow.value = 'allow';
       select.appendChild(optionAllow);
 
       if (this.contentType == 'plugins') {
         var optionDetect = cr.doc.createElement('option');
         optionDetect.textContent = loadTimeData.getString('detectException');
         optionDetect.value = 'detect';
         select.appendChild(optionDetect);
+        var optionAsk = cr.doc.createElement('option');
+        optionAsk.textContent = loadTimeData.getString('askException');
+        optionAsk.value = 'ask';
+        select.appendChild(optionAsk);
       }
 
       if (this.contentType == 'cookies') {
         var optionSession = cr.doc.createElement('option');
         optionSession.textContent = loadTimeData.getString('sessionException');
         optionSession.value = 'session';
         select.appendChild(optionSession);
       }
 
       if (this.contentType != 'fullscreen') {
@@ skipping 583 matching lines @@
     }
   };
 
   return {
     ExceptionsListItem: ExceptionsListItem,
     ExceptionsAddRowListItem: ExceptionsAddRowListItem,
     ExceptionsList: ExceptionsList,
     ContentSettingsExceptionsArea: ContentSettingsExceptionsArea,
   };
 });