Revert of Uses the activedescendant_changed event received from Blink to fire the right focus event

third_party/WebKit/Source/modules/accessibility/AXMenuListPopup.cpp

 /*
  * Copyright (C) 2010 Apple Inc. All Rights Reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  * 1. Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
  * 2. Redistributions in binary form must reproduce the above copyright
  *    notice, this list of conditions and the following disclaimer in the
@@ skipping 129 matching lines @@
     updateChildrenIfNecessary();
 
     AXObjectCacheImpl& cache = axObjectCache();
     if (m_activeIndex != optionIndex && m_activeIndex >= 0 && m_activeIndex < static_cast<int>(m_children.size())) {
         AXObject* previousChild = m_children[m_activeIndex].get();
         cache.postNotification(previousChild, AXObjectCacheImpl::AXMenuListItemUnselected);
     }
 
     if (optionIndex >= 0 && optionIndex < static_cast<int>(m_children.size())) {
         AXObject* child = m_children[optionIndex].get();
-        cache.postNotification(this, AXObjectCacheImpl::AXActiveDescendantChanged);
+        cache.postNotification(child, AXObjectCacheImpl::AXFocusedUIElementChanged);
         cache.postNotification(child, AXObjectCacheImpl::AXMenuListItemSelected);
     }
 
     m_activeIndex = optionIndex;
 }
 
 void AXMenuListPopup::didHide()
 {
     AXObjectCacheImpl& cache = axObjectCache();
     cache.postNotification(this, AXObjectCacheImpl::AXHide);
-    if (activeDescendant())
-        cache.postNotification(activeDescendant(), AXObjectCacheImpl::AXMenuListItemUnselected);
+    if (activeChild())
+        cache.postNotification(activeChild(), AXObjectCacheImpl::AXMenuListItemUnselected);
 }
 
 void AXMenuListPopup::didShow()
 {
     if (!m_haveChildren)
         addChildren();
 
     AXObjectCacheImpl& cache = axObjectCache();
     cache.postNotification(this, AXObjectCacheImpl::AXShow);
     int selectedIndex = getSelectedIndex();
     if (selectedIndex >= 0 && selectedIndex < static_cast<int>(m_children.size()))
         didUpdateActiveOption(selectedIndex);
     else
         cache.postNotification(m_parent, AXObjectCacheImpl::AXFocusedUIElementChanged);
 }
 
-AXObject* AXMenuListPopup::activeDescendant()
+AXObject* AXMenuListPopup::activeChild()
 {
     if (m_activeIndex < 0 || m_activeIndex >= static_cast<int>(children().size()))
         return nullptr;
 
     return m_children[m_activeIndex].get();
 }
 
 } // namespace blink