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

Source/core/html/parser/HTMLConstructionSite.h

 /*
  * Copyright (C) 2010 Google, Inc. All Rights Reserved.
  * Copyright (C) 2011 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
@@ skipping 12 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. 
  */
 
 #ifndef HTMLConstructionSite_h
 #define HTMLConstructionSite_h
 
 #include "core/dom/ParserContentPolicy.h"
 #include "core/html/parser/HTMLElementStack.h"
 #include "core/html/parser/HTMLFormattingElementList.h"
-#include "core/platform/NotImplemented.h"
-#include <wtf/Noncopyable.h>
-#include <wtf/PassRefPtr.h>
-#include <wtf/RefPtr.h>
-#include <wtf/Vector.h>
+#include "wtf/Noncopyable.h"
+#include "wtf/PassRefPtr.h"
+#include "wtf/RefPtr.h"
+#include "wtf/Vector.h"
 
 namespace WebCore {
 
 struct HTMLConstructionSiteTask {
     enum Operation {
         Insert,
         InsertAlreadyParsedChild,
         Reparent,
         TakeAllChildren,
     };
@@ skipping 170 matching lines @@
     // "whenever a node would be inserted into the current node, it must instead
     // be foster parented."  This flag tracks whether we're in that state.
     bool m_redirectAttachToFosterParent;
 
     bool m_inQuirksMode;
 };
 
 } // namespace WebCore
 
 #endif