Fix the HTMLSelectElement.prototype.remove() method

Source/core/html/HTMLOptionsCollection.cpp

 /*
  * Copyright (C) 2006, 2011, 2012 Apple Computer, Inc.
  *
  * 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
@@ skipping 57 matching lines @@
         select->add(newOption, toHTMLOptionElement(item(index)), es);
 
     ASSERT(!es.hadException());
 }
 
 void HTMLOptionsCollection::remove(int index)
 {
     toHTMLSelectElement(ownerNode())->remove(index);
 }
 
+void HTMLOptionsCollection::remove(HTMLOptionElement* option)
+{
+    return remove(option->index());
+}
+
 int HTMLOptionsCollection::selectedIndex() const
 {
     return toHTMLSelectElement(ownerNode())->selectedIndex();
 }
 
 void HTMLOptionsCollection::setSelectedIndex(int index)
 {
     toHTMLSelectElement(ownerNode())->setSelectedIndex(index);
 }
 
@@ skipping 33 matching lines @@
     if (!value) {
         es.throwDOMException(TypeMismatchError);
         return true;
     }
     base->setOption(index, value.get(), es);
     return true;
 }
 
 } //namespace