Remove a lot of dead code from AXNodeObject

Source/core/accessibility/AXImageMapLink.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 81 matching lines @@
 }
 
 KURL AXImageMapLink::url() const
 {
     if (!m_areaElement.get())
         return KURL();
 
     return m_areaElement->href();
 }
 
-void AXImageMapLink::accessibilityText(Vector<AccessibilityText>& textOrder)
-{
-    String description = accessibilityDescription();
-    if (!description.isEmpty())
-        textOrder.append(AccessibilityText(description, AlternativeText));
-
-    const AtomicString& titleText = getAttribute(titleAttr);
-    if (!titleText.isEmpty())
-        textOrder.append(AccessibilityText(titleText, TitleTagText));
-
-    const AtomicString& summary = getAttribute(summaryAttr);
-    if (!summary.isEmpty())
-        textOrder.append(AccessibilityText(summary, SummaryText));
-}
-
 String AXImageMapLink::accessibilityDescription() const
 {
     const AtomicString& ariaLabel = getAttribute(aria_labelAttr);
     if (!ariaLabel.isEmpty())
         return ariaLabel;
     const AtomicString& alt = getAttribute(altAttr);
     if (!alt.isEmpty())
         return alt;
 
     return String();
@@ skipping 22 matching lines @@
     else
         renderer = m_mapElement->renderer();
 
     if (!renderer)
         return LayoutRect();
 
     return m_areaElement->computeRect(renderer);
 }
 
 } // namespace WebCore