Remove unnecessary ExceptionCode.h inclusion

third_party/WebKit/Source/core/dom/TreeWalker.cpp

 /*
  * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
  * Copyright (C) 2000 Frederik Holljen (frederik.holljen@hig.no)
  * Copyright (C) 2001 Peter Kelly (pmk@post.com)
  * Copyright (C) 2006 Samuel Weinig (sam.weinig@gmail.com)
  * Copyright (C) 2004, 2008 Apple Inc. All rights reserved.
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Library General Public
  * License as published by the Free Software Foundation; either
  * version 2 of the License, or (at your option) any later version.
  *
  * This library is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  * Library General Public License for more details.
  *
  * You should have received a copy of the GNU Library General Public License
  * along with this library; see the file COPYING.LIB.  If not, write to
  * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
  * Boston, MA 02110-1301, USA.
  *
  */
 
 #include "core/dom/TreeWalker.h"
 
 #include "bindings/core/v8/ExceptionMessages.h"
 #include "bindings/core/v8/ExceptionState.h"
 #include "core/dom/ContainerNode.h"
-#include "core/dom/ExceptionCode.h"
 #include "core/dom/NodeTraversal.h"
 
 namespace blink {
 
 TreeWalker::TreeWalker(PassRefPtrWillBeRawPtr<Node> rootNode, unsigned whatToShow, PassRefPtrWillBeRawPtr<NodeFilter> filter)
     : NodeIteratorBase(rootNode, whatToShow, filter)
     , m_current(root())
 {
 }
 
@@ skipping 231 matching lines @@
     return 0;
 }
 
 DEFINE_TRACE(TreeWalker)
 {
     visitor->trace(m_current);
     NodeIteratorBase::trace(visitor);
 }
 
 } // namespace blink