Remove a lot of dead code from AXNodeObject

Source/core/accessibility/AXMediaControls.cpp

 /*
  * Copyright (C) 2009 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 59 matching lines @@
 }
 
 MediaControlElementType AccessibilityMediaControl::controlType() const
 {
     if (!renderer() || !renderer()->node())
         return MediaTimelineContainer; // Timeline container is not accessible.
 
     return mediaControlElementType(renderer()->node());
 }
 
-void AccessibilityMediaControl::accessibilityText(Vector<AccessibilityText>& textOrder)
-{
-    String description = accessibilityDescription();
-    if (!description.isEmpty())
-        textOrder.append(AccessibilityText(description, AlternativeText));
-
-    String title = this->title();
-    if (!title.isEmpty())
-        textOrder.append(AccessibilityText(title, AlternativeText));
-
-    String helptext = helpText();
-    if (!helptext.isEmpty())
-        textOrder.append(AccessibilityText(helptext, HelpText));
-}
-
-
 String AccessibilityMediaControl::title() const
 {
     // FIXME: the ControlsPanel container should never be visible in the
     // accessibility hierarchy.
     if (controlType() == MediaControlsPanel)
         return queryString(WebLocalizedString::AXMediaDefault);
 
     return AXRenderObject::title();
 }
 
@@ skipping 201 matching lines @@
 {
     if (!m_renderer || !m_renderer->node())
         return String();
 
     MediaControlTimeDisplayElement* element = static_cast<MediaControlTimeDisplayElement*>(m_renderer->node());
     float time = element->currentValue();
     return localizedMediaTimeDescription(fabsf(time));
 }
 
 } // namespace WebCore