Fix menu list and list box screen reader accessibility.

content/browser/accessibility/browser_accessibility_manager_win.cc

 // 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.
 
 #include "content/browser/accessibility/browser_accessibility_manager_win.h"
 
 #include <vector>
 
 #include "base/command_line.h"
 #include "base/win/scoped_comptr.h"
@@ skipping 243 matching lines @@
       event_id = EVENT_OBJECT_FOCUS;
       break;
     case ui::AX_EVENT_LIVE_REGION_CHANGED:
       if (node->GetBoolAttribute(ui::AX_ATTR_CONTAINER_LIVE_BUSY))
         return;
       event_id = EVENT_OBJECT_LIVEREGIONCHANGED;
       break;
     case ui::AX_EVENT_LOAD_COMPLETE:
       event_id = IA2_EVENT_DOCUMENT_LOAD_COMPLETE;
       break;
-    case ui::AX_EVENT_MENU_LIST_ITEM_SELECTED:
-      event_id = EVENT_OBJECT_FOCUS;
-      break;
-    case ui::AX_EVENT_MENU_LIST_VALUE_CHANGED:
-      event_id = EVENT_OBJECT_VALUECHANGE;
-      break;
     case ui::AX_EVENT_SCROLL_POSITION_CHANGED:
       event_id = EVENT_SYSTEM_SCROLLINGEND;
       break;
     case ui::AX_EVENT_SCROLLED_TO_ANCHOR:
       event_id = EVENT_SYSTEM_SCROLLINGSTART;
       break;
     case ui::AX_EVENT_SELECTED_CHILDREN_CHANGED:
       event_id = EVENT_OBJECT_SELECTIONWITHIN;
       break;
     case ui::AX_EVENT_TEXT_SELECTION_CHANGED:
@@ skipping 103 matching lines @@
           child_manager->GetFromUniqueIdWin(unique_id_win);
       if (result)
         return result;
     }
   }
 
   return NULL;
 }
 
 }  // namespace content