Remove unused includes from core/html .cpp files

Source/core/html/HTMLOptionElement.cpp

 /*
  * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
  *           (C) 1999 Antti Koivisto (koivisto@kde.org)
  *           (C) 2001 Dirk Mueller (mueller@kde.org)
  *           (C) 2006 Alexey Proskuryakov (ap@nypop.com)
  * Copyright (C) 2004, 2005, 2006, 2010 Apple Inc. All rights reserved.
  * Copyright (C) 2010 Google Inc. All rights reserved.
  * Copyright (C) 2011 Motorola Mobility, Inc.  All rights reserved.
  *
  * This library is free software; you can redistribute it and/or
@@ skipping 11 matching lines @@
  * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
  * Boston, MA 02110-1301, USA.
  *
  */
 
 #include "config.h"
 #include "core/html/HTMLOptionElement.h"
 
 #include "HTMLNames.h"
 #include "core/css/resolver/StyleResolver.h"
-#include "core/dom/Attribute.h"
 #include "core/dom/Document.h"
-#include "core/dom/ExceptionCode.h"
 #include "core/dom/NodeRenderStyle.h"
-#include "core/dom/NodeRenderingContext.h"
 #include "core/dom/NodeTraversal.h"
 #include "core/dom/ScriptElement.h"
 #include "core/dom/Text.h"
 #include "core/html/HTMLDataListElement.h"
 #include "core/html/HTMLSelectElement.h"
 #include "core/html/parser/HTMLParserIdioms.h"
-#include "core/rendering/RenderMenuList.h"
 #include "core/rendering/RenderTheme.h"
 #include <wtf/StdLibExtras.h>
 #include <wtf/text/StringBuilder.h>
 #include <wtf/Vector.h>
 
 namespace WebCore {
 
 using namespace HTMLNames;
 
 HTMLOptionElement::HTMLOptionElement(const QualifiedName& tagName, Document* document)
@@ skipping 348 matching lines @@
 
 const HTMLOptionElement* toHTMLOptionElement(const Node* node)
 {
     ASSERT_WITH_SECURITY_IMPLICATION(!node || node->hasTagName(optionTag));
     return static_cast<const HTMLOptionElement*>(node);
 }
 
 #endif
 
 } // namespace