Remove the ENABLE_XSLT compile-time flag.

Source/WebCore/xml/XSLTProcessor.h

 /*
  * This file is part of the XSL implementation.
  *
  * Copyright (C) 2004, 2007, 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.
  *
  */
 
 #ifndef XSLTProcessor_h
 #define XSLTProcessor_h
 
-#if ENABLE(XSLT)
-
 #include "Node.h"
 #include "XSLStyleSheet.h"
 #include <libxml/parserInternals.h>
 #include <libxslt/documents.h>
 #include <wtf/HashMap.h>
 #include <wtf/text/StringHash.h>
 
 namespace WebCore {
 
 class Frame;
@@ skipping 37 matching lines @@
     XSLTProcessor() { }
 
     RefPtr<XSLStyleSheet> m_stylesheet;
     RefPtr<Node> m_stylesheetRootNode;
     ParameterMap m_parameters;
 };
 
 }
 
 #endif
-#endif