posinset and setsize for input type, radio, exposed in AX tree

third_party/WebKit/Source/modules/accessibility/AXObject.cpp

 /*
  * Copyright (C) 2008, 2009, 2011 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 995 matching lines @@
     AXObject* parent = parentObject();
     if (!parent)
         return false;
 
     int role = roleValue();
     int parentRole = parent->roleValue();
 
     if ((role == ListBoxOptionRole && parentRole == ListBoxRole)
         || (role == ListItemRole && parentRole == ListRole)
         || (role == MenuItemRole && parentRole == MenuRole)
-        || (role == RadioButtonRole && parentRole == RadioGroupRole)
+        || (role == RadioButtonRole)
         || (role == TabRole && parentRole == TabListRole)
         || (role == TreeItemRole && parentRole == TreeRole))
         return true;
 
     return false;
 }
 
 int AXObject::indexInParent() const
 {
     if (!parentObject())
@@ skipping 674 matching lines @@
 
 DEFINE_TRACE(AXObject)
 {
     visitor->trace(m_children);
     visitor->trace(m_parent);
     visitor->trace(m_cachedLiveRegionRoot);
     visitor->trace(m_axObjectCache);
 }
 
 } // namespace blink