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

Source/core/html/parser/HTMLPreloadScanner.cpp

 /*
  * Copyright (C) 2008 Apple Inc. All Rights Reserved.
  * Copyright (C) 2009 Torch Mobile, Inc. http://www.torchmobile.com/
  * Copyright (C) 2010 Google Inc. All Rights Reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  * 1. Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
@@ skipping 15 matching lines @@
  */
 
 #include "config.h"
 #include "core/html/parser/HTMLPreloadScanner.h"
 
 #include "HTMLNames.h"
 #include "core/html/InputTypeNames.h"
 #include "core/html/LinkRelAttribute.h"
 #include "core/html/parser/HTMLParserIdioms.h"
 #include "core/html/parser/HTMLTokenizer.h"
-#include <wtf/Functional.h>
-#include <wtf/MainThread.h>
+#include "wtf/MainThread.h"
 
 namespace WebCore {
 
 using namespace HTMLNames;
 
 static bool match(const StringImpl* impl, const QualifiedName& qName)
 {
     return impl == qName.localName().impl();
 }
 
@@ skipping 306 matching lines @@
         if (m_token.type() == HTMLToken::StartTag)
             m_tokenizer->updateStateFor(AtomicString(m_token.name()));
         m_scanner.scan(m_token, m_source, requests);
         m_token.clear();
     }
 
     preloader->takeAndPreload(requests);
 }
 
 }