Use ASCII strings for switch names.

chrome/test/mini_installer_test/run_all_unittests.cc

 // Copyright (c) 2009 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 "base/command_line.h"
 #include "base/file_util.h"
 #include "base/test/test_suite.h"
 #include "chrome/test/mini_installer_test/mini_installer_test_constants.h"
 #include "chrome_mini_installer.h"
 
@@ skipping 24 matching lines @@
   } else {
     printf("Chrome is not installed. Will not take any backup\n");
   }
 }
 
 int main(int argc, char** argv) {
   // Check command line to decide if the tests should continue
   // with cleaning the system or make a backup before continuing.
   CommandLine::Init(argc, argv);
   const CommandLine& command_line = *CommandLine::ForCurrentProcess();
-  if (command_line.HasSwitch(L"clean")) {
+  if (command_line.HasSwitch("clean")) {
     printf("Current version of Chrome will be uninstalled "
            "from all levels before proceeding with tests.\n");
-  } else if (command_line.HasSwitch(L"backup")) {
+  } else if (command_line.HasSwitch("backup")) {
     BackUpProfile();
   } else {
     printf("This test needs command line Arguments.\n");
     printf("Usage: mini_installer_tests.exe -{clean|backup}\n");
     printf("Note: -clean arg will uninstall your chrome at all levels"
            " and also delete profile.\n"
            "-backup arg will make a copy of User Data before uninstalling"
            " your chrome at all levels. The copy will be named as"
            " User Data Copy.\n");
     exit(1);
   }
   return TestSuite(argc, argv).Run();
 }