diff -r 000000000000 -r 6474c204b198 widget/cocoa/nsSound.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/widget/cocoa/nsSound.h	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,25 @@
+/* -*- 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 nsSound_h_
+#define nsSound_h_
+
+#include "nsISound.h"
+#include "nsIStreamLoader.h"
+
+class nsSound : public nsISound,
+                public nsIStreamLoaderObserver
+{
+public: 
+    nsSound();
+    virtual ~nsSound();
+
+    NS_DECL_ISUPPORTS
+    NS_DECL_NSISOUND
+    NS_DECL_NSISTREAMLOADEROBSERVER
+};
+
+#endif // nsSound_h_