diff -r 000000000000 -r 6474c204b198 intl/uconv/ucvlatin/nsUnicodeToUTF16.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/intl/uconv/ucvlatin/nsUnicodeToUTF16.h	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,53 @@
+/* -*- 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 nsUnicodeToUTF16_h_
+#define nsUnicodeToUTF16_h_
+
+#include "nsUCSupport.h"
+#include "mozilla/Endian.h"
+
+class nsUnicodeToUTF16BE: public nsBasicEncoder
+{
+public:
+  nsUnicodeToUTF16BE() { mBOM = 0;}
+
+  //--------------------------------------------------------------------
+  // Interface nsIUnicodeEncoder [declaration]
+
+  NS_IMETHOD Convert(const char16_t * aSrc, int32_t * aSrcLength, 
+      char * aDest, int32_t * aDestLength);
+  NS_IMETHOD GetMaxLength(const char16_t * aSrc, int32_t aSrcLength, 
+      int32_t * aDestLength);
+  NS_IMETHOD Finish(char * aDest, int32_t * aDestLength);
+  NS_IMETHOD Reset();
+  NS_IMETHOD SetOutputErrorBehavior(int32_t aBehavior, 
+      nsIUnicharEncoder * aEncoder, char16_t aChar);
+
+protected:
+  char16_t mBOM;
+  NS_IMETHOD CopyData(char* aDest, const char16_t* aSrc, int32_t aLen  );
+};
+
+class nsUnicodeToUTF16LE: public nsUnicodeToUTF16BE
+{
+public:
+  nsUnicodeToUTF16LE() { mBOM = 0;}
+
+protected:
+  NS_IMETHOD CopyData(char* aDest, const char16_t* aSrc, int32_t aLen  );
+};
+
+#if MOZ_LITTLE_ENDIAN
+class nsUnicodeToUTF16: public nsUnicodeToUTF16LE
+#else
+class nsUnicodeToUTF16: public nsUnicodeToUTF16BE
+#endif
+{
+public:
+  nsUnicodeToUTF16() { mBOM = 0xFEFF;}
+};
+
+#endif /* nsUnicodeToUTF16_h_ */