diff -r 000000000000 -r 6474c204b198 dom/bindings/test/TestCImplementedInterface.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/dom/bindings/test/TestCImplementedInterface.h	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,44 @@
+/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* 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 TestCImplementedInterface_h
+#define TestCImplementedInterface_h
+
+#include "../TestJSImplGenBinding.h"
+
+class nsPIDOMWindow;
+
+namespace mozilla {
+namespace dom {
+
+class TestCImplementedInterface : public TestJSImplInterface
+{
+public:
+  TestCImplementedInterface(JS::Handle<JSObject*> aJSImpl,
+                            nsPIDOMWindow* aParent)
+    : TestJSImplInterface(aJSImpl, aParent)
+  {}
+};
+
+class TestCImplementedInterface2 : public nsISupports,
+                                   public nsWrapperCache
+{
+public:
+  TestCImplementedInterface2(nsPIDOMWindow* aParent)
+  {}
+  NS_DECL_CYCLE_COLLECTING_ISUPPORTS
+  NS_DECL_CYCLE_COLLECTION_SCRIPT_HOLDER_CLASS(TestCImplementedInterface2)
+
+  // We need a GetParentObject to make binding codegen happy
+  nsISupports* GetParentObject();
+};
+
+
+
+} // namespace dom
+} // namespace mozilla
+
+#endif // TestCImplementedInterface_h