Clean up accessibility enums for use in Chromium.

Source/web/WebAccessibilityObject.cpp

 /*
  * Copyright (C) 2009 Google 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:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 573 matching lines @@
 }
 
 bool WebAccessibilityObject::press() const
 {
     if (isDetached())
         return false;
 
     return m_private->press();
 }
 
+// Deprecated in favor of role().
 WebAccessibilityRole WebAccessibilityObject::roleValue() const
 {
     if (isDetached())
         return WebKit::WebAccessibilityRoleUnknown;
 
     return static_cast<WebAccessibilityRole>(m_private->roleValue());
 }
 
+WebAXTypes::Role WebAccessibilityObject::role() const
+{
+    if (isDetached())
+        return WebKit::WebAXTypes::UnknownRole;
+
+    return static_cast<WebAXTypes::Role>(m_private->roleValue());
+}
+
 unsigned WebAccessibilityObject::selectionEnd() const
 {
     if (isDetached())
         return 0;
 
     return m_private->selectedTextRange().start + m_private->selectedTextRange().length;
 }
 
 unsigned WebAccessibilityObject::selectionStart() const
 {
@@ skipping 400 matching lines @@
     m_private = object;
     return *this;
 }
 
 WebAccessibilityObject::operator WTF::PassRefPtr<WebCore::AccessibilityObject>() const
 {
     return m_private.get();
 }
 
 } // namespace WebKit