diff -r 000000000000 -r 6474c204b198 xpcom/io/nsUnicharInputStream.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/xpcom/io/nsUnicharInputStream.h	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,29 @@
+/* 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 nsUnicharInputStream_h__
+#define nsUnicharInputStream_h__
+
+#include "nsISimpleUnicharStreamFactory.h"
+#include "nsIUnicharInputStream.h"
+#include "nsIFactory.h"
+
+// {428DCA6F-1A0F-4cda-B516-0D5244745A6A}
+#define NS_SIMPLE_UNICHAR_STREAM_FACTORY_CID \
+{ 0x428dca6f, 0x1a0f, 0x4cda, { 0xb5, 0x16, 0xd, 0x52, 0x44, 0x74, 0x5a, 0x6a } }
+
+class nsSimpleUnicharStreamFactory :
+  public nsIFactory, 
+  private nsISimpleUnicharStreamFactory
+{
+public:
+  nsSimpleUnicharStreamFactory() {}
+  NS_DECL_ISUPPORTS_INHERITED
+  NS_DECL_NSIFACTORY
+  NS_DECL_NSISIMPLEUNICHARSTREAMFACTORY
+
+  static nsSimpleUnicharStreamFactory* GetInstance();
+};
+
+#endif // nsUnicharInputStream_h__