Fire AX notifications on list box options.

Source/core/html/HTMLSelectElement.cpp

 /*
  * Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
  * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
  *           (C) 1999 Antti Koivisto (koivisto@kde.org)
  *           (C) 2001 Dirk Mueller (mueller@kde.org)
  * Copyright (C) 2004, 2005, 2006, 2007, 2009, 2010, 2011 Apple Inc. All rights reserved.
  *           (C) 2006 Alexey Proskuryakov (ap@nypop.com)
  * Copyright (C) 2010 Google Inc. All rights reserved.
  * Copyright (C) 2009 Torch Mobile Inc. All rights reserved. (http://www.torchmobile.com/)
  *
@@ skipping 712 matching lines @@
 }
 
 void HTMLSelectElement::scrollToSelection()
 {
     if (!isFinishedParsingChildren())
         return;
     if (usesMenuList())
         return;
     scrollToIndex(activeSelectionEndListIndex());
     if (AXObjectCache* cache = document().existingAXObjectCache())
-        cache->selectedChildrenChanged(this);
+        cache->listboxActiveIndexChanged(this);
 }
 
 void HTMLSelectElement::setOptionsChangedOnRenderer()
 {
     if (LayoutObject* renderer = this->layoutObject()) {
         if (usesMenuList())
             toLayoutMenuList(renderer)->setOptionsChanged(true);
     }
 }
 
@@ skipping 219 matching lines @@
     scrollToSelection();
     setNeedsValidityCheck();
 
     if (usesMenuList()) {
         m_isProcessingUserDrivenChange = flags & UserDriven;
         if (flags & DispatchInputAndChangeEvent)
             dispatchInputAndChangeEventForMenuList();
         if (LayoutObject* renderer = this->layoutObject()) {
             if (usesMenuList()) {
                 toLayoutMenuList(renderer)->didSetSelectedIndex(listIndex);
-            } else if (renderer->isListBox()) {
-                if (AXObjectCache* cache = document().existingAXObjectCache())
-                    cache->selectedChildrenChanged(this);
             }
         }
     }
 
     notifyFormStateChanged();
 }
 
 int HTMLSelectElement::optionToListIndex(int optionIndex) const
 {
     const WillBeHeapVector<RawPtrWillBeMember<HTMLElement>>& items = listItems();
@@ skipping 782 matching lines @@
     int focusedIndex = activeSelectionEndListIndex();
     if (focusedIndex < 0)
         focusedIndex = firstSelectableListIndex();
     if (focusedIndex < 0)
         return nullptr;
     HTMLElement* focused = listItems()[focusedIndex];
     return isHTMLOptionElement(focused) ? toHTMLOptionElement(focused) : nullptr;
 }
 
 } // namespace