Use ASCII strings for switch names.

chrome/test/ui/ui_test_suite.h

 // Copyright (c) 2006-2008 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.
 
 #ifndef CHROME_TEST_UI_UI_TEST_SUITE_H_
 #define CHROME_TEST_UI_UI_TEST_SUITE_H_
 
 #include "base/process.h"
 #include "chrome/test/ui/ui_test.h"
 #include "chrome/test/unit/chrome_test_suite.h"
 
 class UITestSuite : public ChromeTestSuite {
  public:
   UITestSuite(int argc, char** argv);
 
  protected:
   virtual void Initialize();
 
   virtual void Shutdown();
 
   virtual void SuppressErrorDialogs();
 
  private:
 #if defined(OS_WIN)
   void LoadCrashService();
 
   base::ProcessHandle crash_service_;
 #endif
 
-  static const wchar_t kUseExistingBrowser[];
-  static const wchar_t kTestTimeout[];
-  static const wchar_t kBatchCount[];
-  static const wchar_t kBatchIndex[];
+  static const char kUseExistingBrowser[];
+  static const char kTestTimeout[];
+  static const char kBatchCount[];
+  static const char kBatchIndex[];
   static const char kGTestTotalShards[];
   static const char kGTestShardIndex[];
 };
 
 #endif  // CHROME_TEST_UI_UI_TEST_SUITE_H_