CommandLine refactoring and cleanup.

net/test/test_server_win.cc

 // Copyright (c) 2011 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 "net/test/test_server.h"
 
 #include <windows.h>
 #include <wincrypt.h>
 
 #include "base/base_paths.h"
@@ skipping 158 matching lines @@
   // Pass the handle on the command-line. Although HANDLE is a
   // pointer, truncating it on 64-bit machines is okay. See
   // http://msdn.microsoft.com/en-us/library/aa384203.aspx
   //
   // "64-bit versions of Windows use 32-bit handles for
   // interoperability. When sharing a handle between 32-bit and 64-bit
   // applications, only the lower 32 bits are significant, so it is
   // safe to truncate the handle (when passing it from 64-bit to
   // 32-bit) or sign-extend the handle (when passing it from 32-bit to
   // 64-bit)."
-  python_command.AppendSwitchASCII(
-      "startup-pipe",
+  python_command.AppendArg("--startup-pipe=" +
       base::IntToString(reinterpret_cast<uintptr_t>(child_write)));
 
   if (!LaunchTestServerAsJob(python_command,
                              true,
                              &process_handle_,
                              &job_handle_)) {
     LOG(ERROR) << "Failed to launch " << python_command.command_line_string();
     return false;
   }
 
@@ skipping 20 matching lines @@
 
   if (!ParseServerData(server_data)) {
     LOG(ERROR) << "Could not parse server_data: " << server_data;
     return false;
   }
 
   return true;
 }
 
 }  // namespace net