Remove deprecated CommandLine(std::wstring) ctor.

net/disk_cache/stress_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 is a simple application that stress-tests the crash recovery of the disk
 // cache. The main application starts a copy of itself on a loop, checking the
 // exit code of the child process. When the child dies in an unexpected way,
 // the main application quits.
 
 // The child application has two threads: one to exercise the cache in an
@@ skipping 21 matching lines @@
 using base::Time;
 
 const int kError = -1;
 const int kExpectedCrash = 100;
 
 // Starts a new process.
 int RunSlave(int iteration) {
   FilePath exe;
   PathService::Get(base::FILE_EXE, &exe);
 
-  CommandLine cmdline(exe.ToWStringHack());
+  CommandLine cmdline(exe);
   cmdline.AppendLooseValue(ASCIIToWide(IntToString(iteration)));
 
   base::ProcessHandle handle;
   if (!base::LaunchApp(cmdline, false, false, &handle)) {
     printf("Unable to run test\n");
     return kError;
   }
 
   int exit_code;
   if (!base::WaitForExitCode(handle, &exit_code)) {
@@ skipping 145 matching lines @@
   long int iteration = strtol(argv[1], &end, 0);
 
   if (!StartCrashThread()) {
     printf("failed to start thread\n");
     return kError;
   }
 
   StressTheCache(iteration);
   return 0;
 }