Add utf_string_conversions to base namespace.

chrome/tools/convert_dict/aff_reader.cc

 // Copyright (c) 2010 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 "chrome/tools/convert_dict/aff_reader.h"
 
 #include <algorithm>
 
 #include "base/file_util.h"
 #include "base/i18n/icu_string_conversions.h"
@@ skipping 121 matching lines @@
 
   return true;
 }
 
 bool AffReader::EncodingToUTF8(const std::string& encoded,
                                std::string* utf8) const {
   std::wstring wide_word;
   if (!base::CodepageToWide(encoded, encoding(),
                             base::OnStringConversionError::FAIL, &wide_word))
     return false;
-  *utf8 = WideToUTF8(wide_word);
+  *utf8 = base::WideToUTF8(wide_word);
   return true;
 }
 
 int AffReader::GetAFIndexForAFString(const std::string& af_string) {
   std::map<std::string, int>::iterator found = affix_groups_.find(af_string);
   if (found != affix_groups_.end())
     return found->second;
   std::string my_string(af_string);
   return AddAffixGroup(&my_string);
 }
@@ skipping 175 matching lines @@
 void AffReader::HandleEncodedCommand(const std::string& line) {
   std::string utf8;
   if (!EncodingToUTF8(line, &utf8)) {
     printf("ERROR: Cannot encode command '%s' to utf8.\n", line.c_str());
     exit(1);
   }
   other_commands_.push_back(utf8);
 }
 
 }  // namespace convert_dict