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

Source/core/html/HTMLLinkElement.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) 2003, 2006, 2007, 2008, 2009, 2010 Apple Inc. All rights reserved.
  * Copyright (C) 2009 Rob Buis (rwlbuis@gmail.com)
  * Copyright (C) 2011 Google Inc. All rights reserved.
  *
  * 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
  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  * Library General Public License for more details.
  *
  * You should have received a copy of the GNU Library General Public License
  * along with this library; see the file COPYING.LIB.  If not, write to
  * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
  * Boston, MA 02110-1301, USA.
  */
 
 #include "config.h"
 #include "core/html/HTMLLinkElement.h"
 
-#include <wtf/StdLibExtras.h>
 #include "HTMLNames.h"
 #include "bindings/v8/ScriptEventListener.h"
 #include "core/css/MediaList.h"
 #include "core/css/MediaQueryEvaluator.h"
 #include "core/css/StyleSheetContents.h"
 #include "core/css/resolver/StyleResolver.h"
 #include "core/dom/Attribute.h"
 #include "core/dom/Document.h"
-#include "core/dom/DocumentFragment.h"
 #include "core/dom/DocumentStyleSheetCollection.h"
 #include "core/dom/Event.h"
 #include "core/dom/EventSender.h"
 #include "core/html/HTMLImportsController.h"
 #include "core/loader/FrameLoader.h"
 #include "core/loader/cache/CachedCSSStyleSheet.h"
 #include "core/loader/cache/CachedResourceLoader.h"
 #include "core/loader/cache/CachedResourceRequest.h"
 #include "core/page/Frame.h"
 #include "core/page/FrameView.h"
+#include "wtf/StdLibExtras.h"
 
 namespace WebCore {
 
 using namespace HTMLNames;
 
 static LinkEventSender& linkLoadEventSender()
 {
     DEFINE_STATIC_LOCAL(LinkEventSender, sharedLoadEventSender, (eventNames().loadEvent));
     return sharedLoadEventSender;
 }
@@ skipping 553 matching lines @@
 void LinkStyle::ownerRemoved()
 {
     if (m_sheet)
         clearSheet();
 
     if (styleSheetIsLoading())
         removePendingSheet(RemovePendingSheetNotifyLater);
 }
 
 } // namespace WebCore