diff -r 000000000000 -r 6474c204b198 intl/uconv/src/nsScriptableUConv.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/intl/uconv/src/nsScriptableUConv.h	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,36 @@
+/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* 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 __nsScriptableUConv_h_
+#define __nsScriptableUConv_h_
+
+#include "nsIScriptableUConv.h"
+
+class nsScriptableUnicodeConverter : public nsIScriptableUnicodeConverter
+{
+public:
+  NS_DECL_ISUPPORTS
+  NS_DECL_NSISCRIPTABLEUNICODECONVERTER
+
+  nsScriptableUnicodeConverter();
+  virtual ~nsScriptableUnicodeConverter();
+
+protected:
+  nsCString mCharset;
+  nsCOMPtr<nsIUnicodeEncoder> mEncoder;
+  nsCOMPtr<nsIUnicodeDecoder> mDecoder;
+  bool mIsInternal;
+
+  nsresult FinishWithLength(char **_retval, int32_t* aLength);
+  nsresult ConvertFromUnicodeWithLength(const nsAString& aSrc,
+                                        int32_t* aOutLen,
+                                        char **_retval);
+
+
+  nsresult InitConverter();
+};
+
+#endif