Move UTF16ToASCII, remove WideToASCII.

chrome/installer/util/user_experiment.cc

 // Copyright 2013 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/installer/util/user_experiment.h"
 
 #include <windows.h>
 #include <sddl.h>
 #include <wtsapi32.h>
 #include <vector>
@@ skipping 458 matching lines @@
   VLOG(1) << "User drafted for toast experiment " << flavor;
   SetClient(base_group + kToastExpBaseGroup, false);
   // User level: The experiment needs to be performed in a different process
   // because google_update expects the upgrade process to be quick and nimble.
   // System level: We have already been relaunched, so we don't need to be
   // quick, but we relaunch to follow the exact same codepath.
   CommandLine cmd_line(base_cmd_line);
   cmd_line.AppendSwitchASCII(switches::kInactiveUserToast,
                              base::IntToString(flavor));
   cmd_line.AppendSwitchASCII(switches::kExperimentGroup,
-                             WideToASCII(base_group));
+                             base::UTF16ToASCII(base_group));
   LaunchSetup(&cmd_line, system_level);
 }
 
 // User qualifies for the experiment. To test, use --try-chrome-again=|flavor|
 // as a parameter to chrome.exe.
 void InactiveUserToastExperiment(int flavor,
                                  const base::string16& experiment_group,
                                  const Product& product,
                                  const base::FilePath& application_path) {
   // Add the 'welcome back' url for chrome to show.
@@ skipping 39 matching lines @@
   // running.
   bool system_level_toast = CommandLine::ForCurrentProcess()->HasSwitch(
       switches::kSystemLevelToast);
 
   CommandLine cmd(InstallUtil::GetChromeUninstallCmd(
                       system_level_toast, product.distribution()->GetType()));
   base::LaunchProcess(cmd, base::LaunchOptions(), NULL);
 }
 
 }  // namespace installer