Add utf_string_conversions to base namespace.

chrome/test/reliability/page_load_test.cc

 // Copyright (c) 2012 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 provides reliablity test which runs under UI test framework. The
 // test is intended to run within QEMU environment.
 //
 // Usage 1: reliability_test
 // Upon invocation, it visits a hard coded list of sample URLs. This is mainly
 // used by buildbot, to verify reliability_test itself runs ok.
@@ skipping 289 matching lines @@
     g_test_log_path = base::FilePath(FILE_PATH_LITERAL("test_log.log"));
     test_log.open(g_test_log_path.value().c_str());
 
     // Get the version of Chrome we're running.
     std::string last_change;
 #if defined(OS_WIN)
     // Check file version info for chrome dll.
     scoped_ptr<FileVersionInfo> file_info;
     file_info.reset(
         FileVersionInfo::CreateFileVersionInfo(base::FilePath(kChromeDll)));
-    last_change = WideToASCII(file_info->last_change());
+    last_change = base::WideToASCII(file_info->last_change());
 #elif defined(OS_POSIX)
     // TODO(fmeawad): On Mac, the version retrieved here belongs to the test
     // module and not the chrome binary, need to be changed to chrome binary
     // instead.
     chrome::VersionInfo version_info;
     last_change = version_info.LastChange();
 #endif  // !defined(OS_WIN)
     test_log << "Last Change: ";
     test_log << last_change << std::endl;
 
@@ skipping 509 matching lines @@
   if (!g_end_url.empty()) {
     NavigateToURLLogResult(
         g_end_url, log_file, NULL, g_continuous_load, false);
   }
 
   log_file.close();
 }
 
 }  // namespace