Fix a typo in the comment for ToUnicodeCallbackSubstitute()

base/i18n/icu_string_conversions.cc

 // Copyright (c) 2011 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "base/i18n/icu_string_conversions.h"
 
 #include <vector>
 
 #include "base/basictypes.h"
 #include "base/logging.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/string_util.h"
 #include "base/utf_string_conversions.h"
 #include "unicode/ucnv.h"
 #include "unicode/ucnv_cb.h"
 #include "unicode/ucnv_err.h"
 #include "unicode/unorm.h"
 #include "unicode/ustring.h"
 
 namespace base {
 
 namespace {
-// ToUnicodeCallbackSubstitute() is based on UCNV_TO_U_CALLBACK_SUSBSTITUTE
+// ToUnicodeCallbackSubstitute() is based on UCNV_TO_U_CALLBACK_SUBSTITUTE
 // in source/common/ucnv_err.c.
 
 // Copyright (c) 1995-2006 International Business Machines Corporation
 // and others
 //
 // All rights reserved.
 //
 
 // Permission is hereby granted, free of charge, to any person obtaining a
 // copy of this software and associated documentation files (the "Software"),
@@ skipping 254 matching lines @@
       buffer.get(), static_cast<int>(max_length), &status);
   if (!U_SUCCESS(status))
     return false;
   normalized_utf16.assign(buffer.get(), actual_length);
 
   return UTF16ToUTF8(normalized_utf16.data(),
                      normalized_utf16.length(), result);
 }
 
 }  // namespace base