diff -r 000000000000 -r 6474c204b198 netwerk/base/src/nsMIMEInputStream.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/netwerk/base/src/nsMIMEInputStream.h	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,29 @@
+/* -*- 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/. */
+
+/**
+ * The MIME stream separates headers and a datastream. It also allows
+ * automatic creation of the content-length header.
+ */
+
+#ifndef _nsMIMEInputStream_h_
+#define _nsMIMEInputStream_h_
+
+#include "nsIMIMEInputStream.h"
+
+#define NS_MIMEINPUTSTREAM_CONTRACTID "@mozilla.org/network/mime-input-stream;1"
+#define NS_MIMEINPUTSTREAM_CID                       \
+{ /* 58a1c31c-1dd2-11b2-a3f6-d36949d48268 */         \
+    0x58a1c31c,                                      \
+    0x1dd2,                                          \
+    0x11b2,                                          \
+    {0xa3, 0xf6, 0xd3, 0x69, 0x49, 0xd4, 0x82, 0x68} \
+}
+
+extern nsresult nsMIMEInputStreamConstructor(nsISupports *outer,
+                                             REFNSIID iid,
+                                             void **result);
+
+#endif // _nsMIMEInputStream_h_