Remove more dead code from accessibility/ folder

Source/core/accessibility/AXListBox.cpp

 /*
  * Copyright (C) 2008 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
@@ skipping 35 matching lines @@
 
 AXListBox::~AXListBox()
 {
 }
 
 PassRefPtr<AXListBox> AXListBox::create(RenderObject* renderer)
 {
     return adoptRef(new AXListBox(renderer));
 }
 
-bool AXListBox::canSetSelectedChildrenAttribute() const
-{
-    Node* selectNode = m_renderer->node();
-    if (!selectNode)
-        return false;
-
-    return !toHTMLSelectElement(selectNode)->isDisabledFormControl();
-}
-
 void AXListBox::addChildren()
 {
     Node* selectNode = m_renderer->node();
     if (!selectNode)
         return;
 
     m_haveChildren = true;
 
     const Vector<HTMLElement*>& listItems = toHTMLSelectElement(selectNode)->listItems();
     unsigned length = listItems.size();
     for (unsigned i = 0; i < length; i++) {
         // The cast to HTMLElement below is safe because the only other possible listItem type
         // would be a WMLElement, but WML builds don't use accessibility features at all.
         AXObject* listOption = listBoxOptionAXObject(listItems[i]);
         if (listOption && !listOption->accessibilityIsIgnored())
             m_children.append(listOption);
     }
 }
 
-void AXListBox::setSelectedChildren(AccessibilityChildrenVector& children)
-{
-    if (!canSetSelectedChildrenAttribute())
-        return;
-
-    Node* selectNode = m_renderer->node();
-    if (!selectNode)
-        return;
-
-    // disable any selected options
-    unsigned length = m_children.size();
-    for (unsigned i = 0; i < length; i++) {
-        AXListBoxOption* listBoxOption = toAXListBoxOption(m_children[i].get());
-        if (listBoxOption->isSelected())
-            listBoxOption->setSelected(false);
-    }
-
-    length = children.size();
-    for (unsigned i = 0; i < length; i++) {
-        AXObject* obj = children[i].get();
-        if (obj->roleValue() != ListBoxOptionRole)
-            continue;
-
-        toAXListBoxOption(obj)->setSelected(true);
-    }
-}
-
-void AXListBox::selectedChildren(AccessibilityChildrenVector& result)
-{
-    ASSERT(result.isEmpty());
-
-    if (!hasChildren())
-        addChildren();
-
-    unsigned length = m_children.size();
-    for (unsigned i = 0; i < length; i++) {
-        if (toAXListBoxOption(m_children[i].get())->isSelected())
-            result.append(m_children[i]);
-    }
-}
-
 AXObject* AXListBox::listBoxOptionAXObject(HTMLElement* element) const
 {
     // skip hr elements
     if (!element || isHTMLHRElement(*element))
         return 0;
 
     AXObject* listBoxObject = m_renderer->document().axObjectCache()->getOrCreate(ListBoxOptionRole);
     toAXListBoxOption(listBoxObject)->setHTMLElement(element);
 
     return listBoxObject;
@@ skipping 24 matching lines @@
         }
     }
 
     if (listBoxOption && !listBoxOption->accessibilityIsIgnored())
         return listBoxOption;
 
     return axObjectCache()->getOrCreate(m_renderer);
 }
 
 } // namespace WebCore