diff -r 000000000000 -r 4f2f89ce4247 WebCore/rendering/style/BindingURI.cpp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/WebCore/rendering/style/BindingURI.cpp	Fri Sep 17 09:02:29 2010 +0300
@@ -0,0 +1,71 @@
+/*
+ * Copyright (C) 1999 Antti Koivisto (koivisto@kde.org)
+ * Copyright (C) 2004, 2005, 2006, 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.
+ *
+ */
+
+#include "config.h"
+#include "BindingURI.h"
+
+#if ENABLE(XBL)
+
+namespace WebCore {
+
+BindingURI::BindingURI(StringImpl* uri) 
+    : m_next(0)
+{ 
+    m_uri = uri;
+    if (uri)
+        uri->ref();
+}
+
+BindingURI::~BindingURI()
+{
+    if (m_uri)
+        m_uri->deref();
+    delete m_next;
+}
+
+BindingURI* BindingURI::copy()
+{
+    BindingURI* newBinding = new BindingURI(m_uri);
+    if (next()) {
+        BindingURI* nextCopy = next()->copy();
+        newBinding->setNext(nextCopy);
+    }
+    
+    return newBinding;
+}
+
+bool BindingURI::operator==(const BindingURI& o) const
+{
+    if ((m_next && !o.m_next) || (!m_next && o.m_next) ||
+        (m_next && o.m_next && *m_next != *o.m_next))
+        return false;
+    
+    if (m_uri == o.m_uri)
+        return true;
+    if (!m_uri || !o.m_uri)
+        return false;
+    
+    return String(m_uri) == String(o.m_uri);
+}
+
+} // namespace WebCore
+
+#endif // ENABLE(XBL)