--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/WebCore/dom/CheckedRadioButtons.h	Fri Sep 17 09:02:29 2010 +0300
@@ -0,0 +1,47 @@
+/*
+ * Copyright (C) 2007, 2008, 2009 Apple Inc. All rights reserved.
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Library General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Library General Public License for more details.
+ *
+ * You should have received a copy of the GNU Library General Public License
+ * along with this library; see the file COPYING.LIB.  If not, write to
+ * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
+ * Boston, MA 02110-1301, USA.
+ *
+ */
+
+#ifndef CheckedRadioButtons_h
+#define CheckedRadioButtons_h
+
+#include <wtf/HashMap.h>
+#include <wtf/OwnPtr.h>
+
+namespace WebCore {
+
+class AtomicString;
+class AtomicStringImpl;
+class HTMLInputElement;
+class HTMLFormControlElement;
+
+class CheckedRadioButtons {
+public:
+    void addButton(HTMLFormControlElement*);
+    void removeButton(HTMLFormControlElement*);
+    HTMLInputElement* checkedButtonForGroup(const AtomicString& groupName) const;
+
+private:
+    typedef HashMap<AtomicStringImpl*, HTMLInputElement*> NameToInputMap;
+    OwnPtr<NameToInputMap> m_nameToCheckedRadioButtonMap;
+};
+
+} // namespace WebCore
+
+#endif // CheckedRadioButtons_h