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

remoting/host/daemon_process_win.cc

Index: remoting/host/daemon_process_win.cc
diff --git a/remoting/host/daemon_process_win.cc b/remoting/host/daemon_process_win.cc
index d84783879d76fd63f0348d9da99267bc3d365868..e3f2b4d410da04a8b4b5a5235c5b0a9cacdaef8b 100644
--- a/remoting/host/daemon_process_win.cc
+++ b/remoting/host/daemon_process_win.cc
@@ -185,10 +185,8 @@ void DaemonProcessWin::LaunchNetworkProcess() {
                            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(