diff -r 000000000000 -r 6474c204b198 intl/unicharutil/public/nsICaseConversion.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/intl/unicharutil/public/nsICaseConversion.h	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,45 @@
+/* -*- 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 nsICaseConversion_h__
+#define nsICaseConversion_h__
+
+
+#include "nsISupports.h"
+#include "nscore.h"
+
+// {07D3D8E0-9614-11d2-B3AD-00805F8A6670}
+#define NS_ICASECONVERSION_IID \
+{ 0x7d3d8e0, 0x9614, 0x11d2, \
+    { 0xb3, 0xad, 0x0, 0x80, 0x5f, 0x8a, 0x66, 0x70 } }
+
+class nsICaseConversion : public nsISupports {
+
+public: 
+
+  NS_DECLARE_STATIC_IID_ACCESSOR(NS_ICASECONVERSION_IID)
+
+  // Convert one Unicode character into upper case
+  NS_IMETHOD ToUpper( char16_t aChar, char16_t* aReturn) = 0;
+
+  // Convert one Unicode character into lower case
+  NS_IMETHOD ToLower( char16_t aChar, char16_t* aReturn) = 0;
+
+  // Convert one Unicode character into title case
+  NS_IMETHOD ToTitle( char16_t aChar, char16_t* aReturn) = 0;
+
+  // Convert an array of Unicode characters into upper case
+  NS_IMETHOD ToUpper( const char16_t* anArray, char16_t* aReturn, uint32_t aLen) = 0;
+
+  // Convert an array of Unicode characters into lower case
+  NS_IMETHOD ToLower( const char16_t* anArray, char16_t* aReturn, uint32_t aLen) = 0;
+
+  // case-insensitive char16_t* comparison - aResult returns similar
+  // to strcasecmp
+  NS_IMETHOD CaseInsensitiveCompare(const char16_t* aLeft, const char16_t* aRight, uint32_t aLength, int32_t* aResult) = 0;
+};
+
+NS_DEFINE_STATIC_IID_ACCESSOR(nsICaseConversion, NS_ICASECONVERSION_IID)
+
+#endif  /* nsICaseConversion_h__ */