Send data back from service using IPC, not file.

cloud_print/service/win/service_controller.h

-// Copyright (c) 2012 The Chromium Authors. All rights reserved.
+// Copyright 2013 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.
 
 #ifndef CLOUD_PRINT_SERVICE_SERVICE_CONTROLLER_H_
 #define CLOUD_PRINT_SERVICE_SERVICE_CONTROLLER_H_
 
 #include <atlbase.h>
 #include <string>
 
 #include "base/string16.h"
 #include "cloud_print/service/win/resource.h"
 
 namespace base {
 class FilePath;
 }  // base
 
 class ServiceController {
  public:
   DECLARE_REGISTRY_APPID_RESOURCEID(IDR_CLOUDPRINTSERVICE,
                                   "{8013FB7C-2E3E-4992-B8BD-05C0C4AB0627}")
 
   explicit ServiceController(const string16& name);
   ~ServiceController();
 
   HRESULT InstallService(const string16& user,
                          const string16& password,
                          const std::string& run_switch,
-                         const base::FilePath& user_data_dir);
+                         const base::FilePath& user_data_dir,
+                         bool auto_start);
 
   HRESULT UninstallService();
 
   HRESULT StartService();
   HRESULT StopService();
 
  private:
   const string16 name_;
 };
 
 #endif  // CLOUD_PRINT_SERVICE_SERVICE_CONTROLLER_H_