DOMException toString is not correct

Source/core/dom/ExceptionBase.cpp

 /*
  * Copyright (C) 2007, 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 18 matching lines @@
 #include "config.h"
 #include "core/dom/ExceptionBase.h"
 #include "core/dom/ExceptionCode.h"
 
 #include <wtf/text/WTFString.h>
 
 namespace WebCore {
 
 ExceptionBase::ExceptionBase(const ExceptionCodeDescription& description)
     : m_code(description.code)
-    , m_name(description.name)
     , m_description(description.description)
 {
     if (description.name)
-        m_message = m_name + ": " + description.typeName + " Exception " + String::number(description.code);
+        m_name = description.name;
     else
-        m_message = String(description.typeName) + " Exception " + String::number(description.code);
+        m_name = description.typeName;
 }
 
 String ExceptionBase::toString() const
 {
-    return "Error: " + m_message;
+    return m_name + ": " + message();
 }
 
 } // namespace WebCore