diff -r 000000000000 -r 6474c204b198 netwerk/base/src/nsStreamListenerTee.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/netwerk/base/src/nsStreamListenerTee.h	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,36 @@
+/* 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 nsStreamListenerTee_h__
+#define nsStreamListenerTee_h__
+
+#include "nsIStreamListenerTee.h"
+#include "nsIThreadRetargetableStreamListener.h"
+#include "nsIInputStreamTee.h"
+#include "nsIOutputStream.h"
+#include "nsCOMPtr.h"
+#include "nsIEventTarget.h"
+
+class nsStreamListenerTee : public nsIStreamListenerTee
+                          , public nsIThreadRetargetableStreamListener
+{
+public:
+    NS_DECL_THREADSAFE_ISUPPORTS
+    NS_DECL_NSIREQUESTOBSERVER
+    NS_DECL_NSISTREAMLISTENER
+    NS_DECL_NSITHREADRETARGETABLESTREAMLISTENER
+    NS_DECL_NSISTREAMLISTENERTEE
+
+    nsStreamListenerTee() { }
+    virtual ~nsStreamListenerTee() { }
+
+private:
+    nsCOMPtr<nsIInputStreamTee>  mInputTee;
+    nsCOMPtr<nsIOutputStream>    mSink;
+    nsCOMPtr<nsIStreamListener>  mListener;
+    nsCOMPtr<nsIRequestObserver> mObserver;
+    nsCOMPtr<nsIEventTarget>     mEventTarget;
+};
+
+#endif