Remove unused includes from core/{editing,fileapi,history,html}

Source/core/html/HTMLMeterElement.cpp

 /*
  * Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
  *
  * 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 13 matching lines @@
 
 #include "HTMLNames.h"
 #include "core/dom/ExceptionCode.h"
 #include "core/dom/NodeRenderingContext.h"
 #include "core/dom/shadow/ShadowRoot.h"
 #include "core/html/parser/HTMLParserIdioms.h"
 #include "core/html/shadow/MeterShadowElement.h"
 #include "core/page/Page.h"
 #include "core/rendering/RenderMeter.h"
 #include "core/rendering/RenderTheme.h"
-#include <wtf/StdLibExtras.h>
 
 namespace WebCore {
 
 using namespace HTMLNames;
 
 HTMLMeterElement::HTMLMeterElement(const QualifiedName& tagName, Document* document)
     : LabelableElement(tagName, document)
 {
     ASSERT(hasTagName(meterTag));
     ScriptWrappable::init(this);
@@ skipping 191 matching lines @@
     RefPtr<MeterBarElement> bar = MeterBarElement::create(document());
     m_value = MeterValueElement::create(document());
     m_value->setWidthPercentage(0);
     m_value->updatePseudo();
     bar->appendChild(m_value, ASSERT_NO_EXCEPTION);
 
     inner->appendChild(bar, ASSERT_NO_EXCEPTION);
 }
 
 } // namespace