Convert a bunch of easy AppendSwitchWithValue to *ASCII.

chrome_frame/test/perf/chrome_frame_perftest.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.
 #include "chrome_frame/test/perf/chrome_frame_perftest.h"
 
 #include <atlwin.h>
 #include <atlhost.h>
 #include <map>
 #include <vector>
 #include <string>
@@ skipping 1282 matching lines @@
 
 bool RunSingleTestOutOfProc(const std::string& test_name) {
   FilePath path;
   PathService::Get(base::DIR_EXE, &path);
   path = path.Append(L"chrome_frame_tests.exe");
 
   CommandLine cmd_line(path);
   // Always enable disabled tests.  This method is not called with disabled
   // tests unless this flag was specified to the browser test executable.
   cmd_line.AppendSwitch("gtest_also_run_disabled_tests");
-  cmd_line.AppendSwitchWithValue("gtest_filter", test_name);
+  cmd_line.AppendSwitchASCII("gtest_filter", test_name);
 
   base::ProcessHandle process_handle;
   if (!base::LaunchApp(cmd_line, false, false, &process_handle))
     return false;
 
   int test_terminate_timeout_ms = 30 * 1000;
   int exit_code = 0;
   if (!base::WaitForExitCodeWithTimeout(process_handle, &exit_code,
     test_terminate_timeout_ms)) {
       LOG(ERROR) << "Test timeout (" << test_terminate_timeout_ms
@@ skipping 26 matching lines @@
   // Print results
   std::string times;
   for (int i = 0; i < kNumCycles; ++i) {
     ASSERT_TRUE(monitor[i].is_valid());
     StringAppendF(&times, "%.2f,", monitor[i].duration().InMillisecondsF());
   }
 
   bool important = false;
   PrintResultList("createproxy", "", "t", times, "ms", important);
 }