Add utf_string_conversions to base namespace.

chrome/installer/test/alternate_version_generator.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.
 
 // The file contains the implementation of the mini_installer re-versioner.
 // The main function (GenerateNextVersion) does the following in a temp dir:
 // - Extracts and unpacks setup.exe and the Chrome-bin folder from
 //   mini_installer.exe.
 // - Inspects setup.exe to determine the current version.
 // - Runs through all .dll and .exe files:
@@ skipping 651 matching lines @@
     return false;
   }
   ctx.current_version_str = ctx.current_version.ToString();
 
   if (!IncrementNewVersion(direction, &ctx)) {
     LOG(DFATAL) << "Failed to increment version from \""
                 << original_file.value() << "\"";
     return false;
   }
 
-  Version new_version(WideToASCII(ctx.new_version_str));
+  Version new_version(base::WideToASCII(ctx.new_version_str));
   GenerateSpecificPEFileVersion(original_file, target_file, new_version);
 
   return true;
 }
 
 bool GenerateSpecificPEFileVersion(const base::FilePath& original_file,
                                    const base::FilePath& target_file,
                                    const Version& version) {
   // First copy original_file to target_file.
   if (!file_util::CopyFile(original_file, target_file)) {
     LOG(DFATAL) << "Failed copying \"" << original_file.value()
                 << "\" to \"" << target_file.value() << "\"";
     return false;
   }
 
   VisitResourceContext ctx;
   if (!GetFileVersion(target_file, &ctx.current_version)) {
     LOG(DFATAL) << "Failed reading version from \"" << target_file.value()
                 << "\"";
     return false;
   }
   ctx.current_version_str = ctx.current_version.ToString();
   ctx.new_version = ChromeVersion::FromString(version.GetString());
   ctx.new_version_str = ctx.new_version.ToString();
 
   return UpdateVersionIfMatch(target_file, &ctx);
 }
 
 }  // namespace upgrade_test