Upgrade the windows specific version of LaunchProcess to avoid raw handles.

chrome/browser/extensions/api/messaging/native_process_launcher_win.cc

 // Copyright (c) 2012 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/browser/extensions/api/messaging/native_process_launcher.h"
 
 #include <windows.h>
 
 #include "base/command_line.h"
 #include "base/logging.h"
@@ skipping 71 matching lines @@
     *error_message = "Path to native messaging host manifest must be absolute.";
     return base::FilePath();
   }
 
   return manifest_path;
 }
 
 // static
 bool NativeProcessLauncher::LaunchNativeProcess(
     const CommandLine& command_line,
-    base::ProcessHandle* process_handle,
+    base::Process* process,
     base::File* read_file,
     base::File* write_file) {
   // Timeout for the IO pipes.
   const DWORD kTimeoutMs = 5000;
 
   // Windows will use default buffer size when 0 is passed to
   // CreateNamedPipeW().
   const DWORD kBufferSize = 0;
 
   if (!command_line.GetProgram().IsAbsolute()) {
@@ skipping 41 matching lines @@
 
   base::string16 command_line_string = command_line.GetCommandLineString();
 
   base::string16 command = base::StringPrintf(
       L"%ls /c %ls < %ls > %ls",
       comspec.get(), command_line_string.c_str(),
       in_pipe_name.c_str(), out_pipe_name.c_str());
 
   base::LaunchOptions options;
   options.start_hidden = true;
-  base::win::ScopedHandle cmd_handle;
-  if (!base::LaunchProcess(command.c_str(), options, &cmd_handle)) {
+  base::Process cmd_process = base::LaunchProcess(command.c_str(), options);
+  if (!cmd_process.IsValid()) {
     LOG(ERROR) << "Error launching process "
                << command_line.GetProgram().MaybeAsASCII();
     return false;
   }
 
   bool stdout_connected = ConnectNamedPipe(stdout_pipe.Get(), NULL) ?
       TRUE : GetLastError() == ERROR_PIPE_CONNECTED;
   bool stdin_connected = ConnectNamedPipe(stdin_pipe.Get(), NULL) ?
       TRUE : GetLastError() == ERROR_PIPE_CONNECTED;
   if (!stdout_connected || !stdin_connected) {
-    base::KillProcess(cmd_handle.Get(), 0, false);
+    base::KillProcess(cmd_process.Handle(), 0, false);
     LOG(ERROR) << "Failed to connect IO pipes when starting "
                << command_line.GetProgram().MaybeAsASCII();
     return false;
   }
 
-  *process_handle = cmd_handle.Take();
+  *process = cmd_process.Pass();
   *read_file = base::File(stdout_pipe.Take());
   *write_file = base::File(stdin_pipe.Take());
 
   return true;
 }
 
 }  // namespace extensions