Remove the ENABLE_XSLT compile-time flag.

Source/WebCore/xml/XSLTUnicodeSort.cpp

 /*
  * Copyright (C) 2007, 2008, 2009 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 11 matching lines @@
  * (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 "XSLTUnicodeSort.h"
 
-#if ENABLE(XSLT)
-
 #include <libxslt/templates.h>
 #include <libxslt/xsltutils.h>
 #include <wtf/text/WTFString.h>
 #include <wtf/unicode/Collator.h>
 
 namespace WebCore {
 
 // Based on default implementation from libxslt 1.1.22 and xsltICUSort.c example.
 void xsltUnicodeSortFunction(xsltTransformContextPtr ctxt, xmlNodePtr *sorts, int nbsorts)
 {
@@ skipping 235 matching lines @@
             comp->order = NULL;
         }
         if (resultsTab[j] != NULL) {
             for (i = 0;i < len;i++)
                 xmlXPathFreeObject(resultsTab[j][i]);
             xmlFree(resultsTab[j]);
         }
     }
 }
 
-}
-
-#endif
+} // namespace WebCore