Use ASCII strings for switch names.

base/multiprocess_test.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 BASE_MULTIPROCESS_TEST_H__
 #define BASE_MULTIPROCESS_TEST_H__
 
 #include "base/base_switches.h"
 #include "base/command_line.h"
 #include "base/process_util.h"
 #include "base/string_util.h"
 #include "testing/gtest/include/gtest/gtest.h"
 #include "testing/multiprocess_func_list.h"
 #include "testing/platform_test.h"
 
 #if defined(OS_POSIX)
 #include <sys/types.h>
 #include <unistd.h>
 #endif
 
 // Command line switch to invoke a child process rather than
 // to run the normal test suite.
-static const wchar_t kRunClientProcess[] = L"client";
+static const char kRunClientProcess[] = "client";
 
 // A MultiProcessTest is a test class which makes it easier to
 // write a test which requires code running out of process.
 //
 // To create a multiprocess test simply follow these steps:
 //
 // 1) Derive your test from MultiProcessTest. Example:
 //
 //    class MyTest : public MultiProcessTest {
 //    };
@@ skipping 78 matching lines @@
     if (debug_on_start)
       cl.AppendSwitch(switches::kDebugOnStart);
 
     base::LaunchApp(cl.argv(), fds_to_map, false, &handle);
     return handle;
   }
 #endif
 };
 
 #endif  // BASE_MULTIPROCESS_TEST_H__