Remove GetSwitchValue() from chrome/* where easy.

chrome/installer/util/google_chrome_distribution.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.
 //
 // This file defines specific implementation of BrowserDistribution class for
 // Google Chrome.
 
 #include "chrome/installer/util/google_chrome_distribution.h"
 
 #include <windows.h>
@@ skipping 111 matching lines @@
   GetSystemTimeAsFileTime(&time);
   int now_time = FileTimeToHours(time);
   if (dir_time >= now_time)
     return 0;
   return (now_time - dir_time);
 }
 
 // Launches again this same process with switch --|flag|=|value|.
 // If system_level_toast is true, appends --system-level-toast.
 // Does not wait for the process to terminate.
-bool RelaunchSetup(const std::wstring& flag, int value,
+bool RelaunchSetup(const std::string& flag, int value,
                    bool system_level_toast) {
   CommandLine cmd_line(CommandLine::ForCurrentProcess()->GetProgram());
-  cmd_line.AppendSwitchASCII(WideToASCII(flag), base::IntToString(value));
+  cmd_line.AppendSwitchASCII(flag, base::IntToString(value));
   if (system_level_toast)
     cmd_line.AppendSwitch(
       WideToASCII(installer_util::switches::kSystemLevelToast));
   return base::LaunchApp(cmd_line, false, false, NULL);
 }
 
 // For System level installs, setup.exe lives in the system temp, which
 // is normally c:\windows\temp. In many cases files inside this folder
 // are not accessible for execution by regular user accounts.
 // This function changes the permisions so that any authenticated user
@@ skipping 443 matching lines @@
   GoogleUpdateSettings::SetClient(GetExperimentGroup(outcome, flavor));
   if (outcome != kToastExpUninstallGroup)
     return;
   // The user wants to uninstall. This is a best effort operation. Note that
   // we waited for chrome to exit so the uninstall would not detect chrome
   // running.
   base::LaunchApp(InstallUtil::GetChromeUninstallCmd(system_install),
                   false, false, NULL);
 }
 #endif