diff -r 000000000000 -r 6474c204b198 netwerk/base/src/nsSyncStreamListener.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/netwerk/base/src/nsSyncStreamListener.h	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,45 @@
+/* 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 nsSyncStreamListener_h__
+#define nsSyncStreamListener_h__
+
+#include "nsISyncStreamListener.h"
+#include "nsIInputStream.h"
+#include "nsIOutputStream.h"
+#include "nsCOMPtr.h"
+#include "mozilla/Attributes.h"
+
+//-----------------------------------------------------------------------------
+
+class nsSyncStreamListener MOZ_FINAL : public nsISyncStreamListener
+                                     , public nsIInputStream
+{
+public:
+    NS_DECL_ISUPPORTS
+    NS_DECL_NSIREQUESTOBSERVER
+    NS_DECL_NSISTREAMLISTENER
+    NS_DECL_NSISYNCSTREAMLISTENER
+    NS_DECL_NSIINPUTSTREAM
+
+    nsSyncStreamListener()
+        : mStatus(NS_OK)
+        , mKeepWaiting(false)
+        , mDone(false) {}
+
+    nsresult Init();
+
+private:
+    ~nsSyncStreamListener() {}
+
+    nsresult WaitForData();
+
+    nsCOMPtr<nsIInputStream>    mPipeIn;
+    nsCOMPtr<nsIOutputStream>   mPipeOut;
+    nsresult                    mStatus;
+    bool                        mKeepWaiting;
+    bool                        mDone;
+};
+
+#endif // nsSyncStreamListener_h__