diff -r 000000000000 -r 6474c204b198 content/xul/templates/src/nsXULTemplateResultSetRDF.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/content/xul/templates/src/nsXULTemplateResultSetRDF.h	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,60 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+#ifndef nsXULTemplateResultSetRDF_h__
+#define nsXULTemplateResultSetRDF_h__
+
+#include "nsISimpleEnumerator.h"
+#include "nsRuleNetwork.h"
+#include "nsRDFQuery.h"
+#include "nsXULTemplateResultRDF.h"
+#include "mozilla/Attributes.h"
+
+class nsXULTemplateQueryProcessorRDF;
+class nsXULTemplateResultRDF;
+
+/**
+ * An enumerator used to iterate over a set of results.
+ */
+class nsXULTemplateResultSetRDF MOZ_FINAL : public nsISimpleEnumerator
+{
+private:
+    nsXULTemplateQueryProcessorRDF* mProcessor;
+
+    nsRDFQuery* mQuery;
+
+    const InstantiationSet* mInstantiations;
+
+    nsCOMPtr<nsIRDFResource> mResource;
+
+    InstantiationSet::List *mCurrent;
+
+    bool mCheckedNext;
+
+public:
+
+    // nsISupports interface
+    NS_DECL_ISUPPORTS
+
+    // nsISimpleEnumerator interface
+    NS_DECL_NSISIMPLEENUMERATOR
+
+    nsXULTemplateResultSetRDF(nsXULTemplateQueryProcessorRDF *aProcessor,
+                              nsRDFQuery* aQuery,
+                              const InstantiationSet* aInstantiations)
+        : mProcessor(aProcessor),
+          mQuery(aQuery),
+          mInstantiations(aInstantiations),
+          mCurrent(nullptr),
+          mCheckedNext(false)
+    { }
+
+    ~nsXULTemplateResultSetRDF()
+    {
+        delete mInstantiations;
+    }
+};
+
+#endif // nsXULTemplateResultSetRDF_h__