Options: maintain history entries on the parent frame.

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 612 matching lines @@
       $('content-settings-exceptions-overlay-confirm').onclick =
           OptionsPage.closeOverlay.bind(OptionsPage);
     },
 
     /**
      * Shows one list and hides all others.
      *
      * @param {string} type The content type.
      */
     showList: function(type) {
+      // Update the title for the type that was shown.
+      this.title = loadTimeData.getString(type + 'TabTitle');
+
       var header = this.pageDiv.querySelector('h1');
       header.textContent = loadTimeData.getString(type + '_header');
 
       var divs = this.pageDiv.querySelectorAll('div[contentType]');
       for (var i = 0; i < divs.length; i++) {
         if (divs[i].getAttribute('contentType') == type)
           divs[i].hidden = false;
         else
           divs[i].hidden = true;
       }
@@ skipping 37 matching lines @@
     }
   };
 
   return {
     ExceptionsListItem: ExceptionsListItem,
     ExceptionsAddRowListItem: ExceptionsAddRowListItem,
     ExceptionsList: ExceptionsList,
     ContentSettingsExceptionsArea: ContentSettingsExceptionsArea,
   };
 });