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

base/process/launch_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 "base/process/launch.h"
 
 #include <fcntl.h>
 #include <io.h>
 #include <shellapi.h>
 #include <windows.h>
@@ skipping 214 matching lines @@
   if (options.wait)
     WaitForSingleObject(process_info.process_handle(), INFINITE);
 
   // If the caller wants the process handle, we won't close it.
   if (process_handle)
     process_handle->Set(process_info.TakeProcessHandle());
 
   return true;
 }
 
+// TODO(rvargas) crbug.com/416721: Remove this stub after LaunchProcess is
+// fully migrated to use Process.
+Process LaunchProcess(const string16& cmdline,
+                      const LaunchOptions& options) {
+  win::ScopedHandle process_handle;
+  if (LaunchProcess(cmdline, options, &process_handle))
+    return Process(process_handle.Take());
+
+  return Process();
+}
+
 bool LaunchProcess(const CommandLine& cmdline,
                    const LaunchOptions& options,
                    ProcessHandle* process_handle) {
   if (!process_handle)
     return LaunchProcess(cmdline.GetCommandLineString(), options, NULL);
 
   win::ScopedHandle process;
   bool rv = LaunchProcess(cmdline.GetCommandLineString(), options, &process);
   *process_handle = process.Take();
   return rv;
@@ skipping 119 matching lines @@
   WaitForSingleObject(proc_info.process_handle(), INFINITE);
 
   return true;
 }
 
 void RaiseProcessToHighPriority() {
   SetPriorityClass(GetCurrentProcess(), HIGH_PRIORITY_CLASS);
 }
 
 }  // namespace base