Remove the ENABLE_XSLT compile-time flag.

Source/WebCore/xml/XSLTProcessorLibxslt.cpp

 /*
  * This file is part of the XSL implementation.
  *
  * Copyright (C) 2004, 2005, 2006, 2007, 2008 Apple, Inc. All rights reserved.
  * Copyright (C) 2005, 2006 Alexey Proskuryakov <ap@webkit.org>
  *
  * 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 "config.h"
 
-#if ENABLE(XSLT)
-
 #include "XSLTProcessor.h"
 
 #include "CachedResourceLoader.h"
 #include "Document.h"
 #include "Frame.h"
 #include "Page.h"
 #include "PageConsole.h"
 #include "ResourceError.h"
 #include "ResourceHandle.h"
 #include "ResourceRequest.h"
@@ skipping 308 matching lines @@
 
     sheet->method = origMethod;
     setXSLTLoadCallBack(0, 0, 0);
     xsltFreeStylesheet(sheet);
     m_stylesheet = 0;
 
     return success;
 }
 
 } // namespace WebCore
-
-#endif // ENABLE(XSLT)