Remove more dead code from accessibility/ folder

Source/core/accessibility/AXList.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 38 matching lines @@
 PassRefPtr<AXList> AXList::create(RenderObject* renderer)
 {
     return adoptRef(new AXList(renderer));
 }
 
 bool AXList::computeAccessibilityIsIgnored() const
 {
     return accessibilityIsIgnoredByDefault();
 }
 
-bool AXList::isUnorderedList() const
-{
-    if (!m_renderer)
-        return false;
-
-    // The ARIA spec says the "list" role is supposed to mimic a UL or OL tag.
-    // Since it can't be both, it's probably OK to say that it's an un-ordered list.
-    // On the Mac, there's no distinction to the client.
-    if (ariaRoleAttribute() == ListRole)
-        return true;
-
-    return isHTMLUListElement(m_renderer->node());
-}
-
-bool AXList::isOrderedList() const
-{
-    if (!m_renderer)
-        return false;
-
-    // ARIA says a directory is like a static table of contents, which sounds like an ordered list.
-    if (ariaRoleAttribute() == DirectoryRole)
-        return true;
-
-    return isHTMLOListElement(m_renderer->node());
-}
-
-bool AXList::isDescriptionList() const
-{
-    if (!m_renderer)
-        return false;
-
-    return isHTMLDListElement(m_renderer->node());
-}
-
-
 } // namespace WebCore