core: Include wtf files using "wtf/foo.h" form.

Source/core/xml/XPathPredicate.cpp

 /*
  * Copyright 2005 Frerich Raabe <raabe@kde.org>
  * Copyright (C) 2006 Apple Computer, Inc.
  * Copyright (C) 2007 Alexey Proskuryakov <ap@webkit.org>
  *
  * 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
@@ skipping 14 matching lines @@
  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
 #include "config.h"
 #include "core/xml/XPathPredicate.h"
 
 #include <math.h>
 #include "core/xml/XPathFunctions.h"
 #include "core/xml/XPathUtil.h"
 #include "core/xml/XPathValue.h"
-#include <wtf/MathExtras.h>
+#include "wtf/MathExtras.h"
 
 namespace WebCore {
 namespace XPath {
 
 Number::Number(double value)
     : m_value(value)
 {
 }
 
 Value Number::evaluate() const
@@ skipping 221 matching lines @@
 
     // foo[3] means foo[position()=3]
     if (result.isNumber())
         return EqTestOp(EqTestOp::OP_EQ, createFunction("position"), new Number(result.toNumber())).evaluate().toBoolean();
 
     return result.toBoolean();
 }
 
 }
 }