[Chromoting] Refactored worker process launching code and speeded up the desktop process launch.

remoting/host/daemon_process_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 "remoting/host/daemon_process.h"
 
 #include "base/base_switches.h"
 #include "base/bind.h"
 #include "base/bind_helpers.h"
 #include "base/location.h"
@@ skipping 167 matching lines @@
     return;
   }
 
   scoped_ptr<CommandLine> target(new CommandLine(host_binary));
   target->AppendSwitchASCII(kProcessTypeSwitchName, kProcessTypeHost);
   target->CopySwitchesFrom(*CommandLine::ForCurrentProcess(),
                            kCopiedSwitchNames,
                            arraysize(kCopiedSwitchNames));
 
   scoped_ptr<UnprivilegedProcessDelegate> delegate(
-      new UnprivilegedProcessDelegate(caller_task_runner(), io_task_runner(),
-                                      target.Pass()));
-  network_launcher_.reset(new WorkerProcessLauncher(
-      caller_task_runner(), delegate.Pass(), this));
+      new UnprivilegedProcessDelegate(io_task_runner(), target.Pass()));
+  network_launcher_.reset(new WorkerProcessLauncher(delegate.Pass(), this));
 }
 
 scoped_ptr<DaemonProcess> DaemonProcess::Create(
     scoped_refptr<AutoThreadTaskRunner> caller_task_runner,
     scoped_refptr<AutoThreadTaskRunner> io_task_runner,
     const base::Closure& stopped_callback) {
   scoped_ptr<DaemonProcessWin> daemon_process(
       new DaemonProcessWin(caller_task_runner, io_task_runner,
                            stopped_callback));
   daemon_process->Initialize();
   return daemon_process.PassAs<DaemonProcess>();
 }
 
 }  // namespace remoting