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

Source/core/html/parser/HTMLParserIdioms.cpp

 /*
  * Copyright (C) 2010 Apple 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.
  * 2.  Redistributions in binary form must reproduce the above copyright
  *     notice, this list of conditions and the following disclaimer in the
@@ skipping 11 matching lines @@
  * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
 #include "config.h"
 #include "core/html/parser/HTMLParserIdioms.h"
 
 #include <limits>
 #include "core/dom/QualifiedName.h"
 #include "core/html/parser/HTMLIdentifier.h"
 #include "core/platform/Decimal.h"
-#include <wtf/MathExtras.h>
-#include <wtf/text/AtomicString.h>
-#include <wtf/text/StringBuilder.h>
-#include <wtf/text/StringHash.h>
+#include "wtf/MathExtras.h"
+#include "wtf/text/AtomicString.h"
+#include "wtf/text/StringBuilder.h"
 
 namespace WebCore {
 
 template <typename CharType>
 static String stripLeadingAndTrailingHTMLSpaces(String string, CharType characters, unsigned length)
 {
     unsigned numLeadingSpaces = 0;
     unsigned numTrailingSpaces = 0;
 
     for (; numLeadingSpaces < length; ++numLeadingSpaces) {
@@ skipping 245 matching lines @@
 {
     return threadSafeEqual(a.localName().impl(), b.localName().impl());
 }
 
 bool threadSafeMatch(const HTMLIdentifier& localName, const QualifiedName& qName)
 {
     return threadSafeEqual(localName.asStringImpl(), qName.localName().impl());
 }
 
 }