Avoid branching in createAttributeEventListener

Source/core/html/HTMLFormElement.cpp

 /*
  * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
  *           (C) 1999 Antti Koivisto (koivisto@kde.org)
  *           (C) 2001 Dirk Mueller (mueller@kde.org)
  * Copyright (C) 2004, 2005, 2006, 2007, 2008, 2009 Apple Inc. All rights reserved.
  *           (C) 2006 Alexey Proskuryakov (ap@nypop.com)
  *
  * 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
@@ skipping 469 matching lines @@
         m_attributes.parseAction(value);
     else if (name == targetAttr)
         m_attributes.setTarget(value);
     else if (name == methodAttr)
         m_attributes.updateMethodType(value);
     else if (name == enctypeAttr)
         m_attributes.updateEncodingType(value);
     else if (name == accept_charsetAttr)
         m_attributes.setAcceptCharset(value);
     else if (name == onautocompleteAttr)
-        setAttributeEventListener(EventTypeNames::autocomplete, createAttributeEventListener(this, name, value));
+        setAttributeEventListener(EventTypeNames::autocomplete, createAttributeEventListener(this, name, value, eventParameterName()));
     else if (name == onautocompleteerrorAttr)
-        setAttributeEventListener(EventTypeNames::autocompleteerror, createAttributeEventListener(this, name, value));
+        setAttributeEventListener(EventTypeNames::autocompleteerror, createAttributeEventListener(this, name, value, eventParameterName()));
     else
         HTMLElement::parseAttribute(name, value);
 }
 
 void HTMLFormElement::associate(FormAssociatedElement& e)
 {
     m_associatedElementsAreDirty = true;
     m_associatedElements.clear();
 }
 
@@ skipping 281 matching lines @@
 }
 
 void HTMLFormElement::setDemoted(bool demoted)
 {
     if (demoted)
         UseCounter::count(document(), UseCounter::DemotedFormElement);
     m_wasDemoted = demoted;
 }
 
 } // namespace