CommandLine API rework

net/tools/crash_cache/crash_cache.cc

 // 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.
 
 // This command-line program generates the set of files needed for the crash-
 // cache unit tests (DiskCacheTest,CacheBackend_Recover*). This program only
 // works properly on debug mode, because the crash functionality is not compiled
 // on release builds of the cache.
 
 #include <string>
@@ skipping 22 matching lines @@
   NOT_REACHED
 };
 
 using disk_cache::RankCrashes;
 
 // Starts a new process, to generate the files.
 int RunSlave(RankCrashes action) {
   std::wstring exe;
   PathService::Get(base::FILE_EXE, &exe);
 
-#if defined(OS_WIN)
-  CommandLine cmdline(StringPrintf(L"%ls %d", exe.c_str(), action));
-#elif defined(OS_POSIX)
-  std::vector<std::string> cmd_argv;
-  cmd_argv.push_back(WideToUTF8(exe));
-  cmd_argv.push_back(IntToString(action));
-  CommandLine cmdline(cmd_argv);
-#endif
+  CommandLine cmdline(exe);
+  cmdline.AppendLooseValue(ASCIIToWide(IntToString(action)));
 
   base::ProcessHandle handle;
   if (!base::LaunchApp(cmdline, false, false, &handle)) {
     printf("Unable to run test %d\n", action);
     return GENERIC;
   }
 
   int exit_code;
 
   if (!base::WaitForExitCode(handle, &exit_code)) {
@@ skipping 245 matching lines @@
   std::wstring path;
   PathService::Get(base::DIR_SOURCE_ROOT, &path);
   file_util::AppendToPath(&path, L"net");
   file_util::AppendToPath(&path, L"data");
   file_util::AppendToPath(&path, L"cache_tests");
   file_util::AppendToPath(&path, L"new_crashes");
 
   return SlaveCode(path, action);
 }