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

Source/core/editing/HTMLInterchange.cpp

 /*
  * Copyright (C) 2004, 2008 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 @@
  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 
  */
 
 #include "config.h"
 #include "core/editing/HTMLInterchange.h"
 
 #include "core/dom/Text.h"
 #include "core/editing/TextIterator.h"
 #include "core/rendering/RenderObject.h"
-#include <wtf/StdLibExtras.h>
-#include <wtf/text/StringBuilder.h>
-#include <wtf/unicode/CharacterNames.h>
+#include "wtf/text/StringBuilder.h"
+#include "wtf/unicode/CharacterNames.h"
 
 namespace WebCore {
 
 String convertHTMLTextToInterchangeFormat(const String& in, const Text* node)
 {
     // Assume all the text comes from node.
     if (node->renderer() && node->renderer()->style()->preserveNewline())
         return in;
 
     const char convertedSpaceString[] = "<span class=\"" AppleConvertedSpace "\">\xA0</span>";
@@ skipping 46 matching lines @@
             }
         } else
             s.append(in[i]);
         i += consumed;
     }
 
     return s.toString();
 }
 
 } // namespace WebCore