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

Source/core/editing/EditCommand.cpp

 /*
  * Copyright (C) 2005, 2006, 2007 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
  *    documentation and/or other materials provided with the distribution.
  *
  * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY
  * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL APPLE COMPUTER, INC. OR
  * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
  * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
  * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
  * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
  * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  * (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/EditCommand.h"
 
 #include "core/dom/Document.h"
-#include "core/dom/Element.h"
-#include "core/dom/EventNames.h"
 #include "core/dom/NodeTraversal.h"
 #include "core/editing/CompositeEditCommand.h"
-#include "core/editing/Editor.h"
 #include "core/editing/FrameSelection.h"
-#include "core/editing/VisiblePosition.h"
-#include "core/editing/htmlediting.h"
 #include "core/page/Frame.h"
 
 namespace WebCore {
 
 EditCommand::EditCommand(Document* document)
     : m_document(document)
     , m_parent(0)
 {
     ASSERT(m_document);
     ASSERT(m_document->frame());
@@ skipping 69 matching lines @@
 
 #ifndef NDEBUG
 void SimpleEditCommand::addNodeAndDescendants(Node* startNode, HashSet<Node*>& nodes)
 {
     for (Node* node = startNode; node; node = NodeTraversal::next(node, startNode))
         nodes.add(node);
 }
 #endif
 
 } // namespace WebCore