Remove a deprecated wstring ToLower function.

app/l10n_util.h

 // Copyright (c) 2006-2008 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.
 
 // This file contains utility functions for dealing with localized
 // content.
 
 #ifndef APP_L10N_UTIL_H_
 #define APP_L10N_UTIL_H_
 #pragma once
@@ skipping 151 matching lines @@
 std::wstring GetStringF(int message_id, int64 a);
 
 // Truncates the string to length characters. This breaks the string at
 // the first word break before length, adding the horizontal ellipsis
 // character (unicode character 0x2026) to render ...
 // The supplied string is returned if the string has length characters or
 // less.
 std::wstring TruncateString(const std::wstring& string, size_t length);
 
 // Returns the lower case equivalent of string.
-#if defined(WCHAR_T_IS_UTF32)
-// Deprecated.  The string16 version should be used instead.
-std::wstring ToLower(const std::wstring& string);
-#endif  // defined(WCHAR_T_IS_UTF32)
 string16 ToLower(const string16& string);
 
 // Returns the upper case equivalent of string.
 string16 ToUpper(const string16& string);
 
 // In place sorting of std::wstring strings using collation rules for |locale|.
 void SortStrings(const std::string& locale,
                  std::vector<std::wstring>* strings);
 
 // In place sorting of string16 strings using collation rules for |locale|.
 void SortStrings16(const std::string& locale,
                    std::vector<string16>* strings);
 
 // Returns a vector of available locale codes. E.g., a vector containing
 // en-US, es, fr, fi, pt-PT, pt-BR, etc.
 const std::vector<std::string>& GetAvailableLocales();
 
 // Returns a vector of locale codes usable for accept-languages.
 void GetAcceptLanguagesForLocale(const std::string& display_locale,
                                  std::vector<std::string>* locale_codes);
 
 
 }  // namespace l10n_util
 
 #endif  // APP_L10N_UTIL_H_