Adding support for Win+L key combo in Windows host.

remoting/host/desktop_process_main.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.
 //
 // This file implements the Windows service controlling Me2Me host processes
 // running within user sessions.
 
 #include <memory>
 #include <utility>
 
@@ skipping 41 matching lines @@
   DesktopProcess desktop_process(ui_task_runner,
                                  input_task_runner,
                                  channel_name);
 
   // Create a platform-dependent environment factory.
   std::unique_ptr<DesktopEnvironmentFactory> desktop_environment_factory;
 #if defined(OS_WIN)
   desktop_environment_factory.reset(new SessionDesktopEnvironmentFactory(
       ui_task_runner, video_capture_task_runner, input_task_runner,
       ui_task_runner,
-      base::Bind(&DesktopProcess::InjectSas, desktop_process.AsWeakPtr())));
+      base::Bind(&DesktopProcess::InjectSas, desktop_process.AsWeakPtr()),
+      base::Bind(&DesktopProcess::LockWorkStation,
+                 desktop_process.AsWeakPtr())));
 #else  // !defined(OS_WIN)
   desktop_environment_factory.reset(new Me2MeDesktopEnvironmentFactory(
       ui_task_runner, video_capture_task_runner, input_task_runner,
       ui_task_runner));
 #endif  // !defined(OS_WIN)
 
   if (!desktop_process.Start(std::move(desktop_environment_factory)))
     return kInitializationFailed;
 
   // Run the UI message loop.
   ui_task_runner = nullptr;
   run_loop.Run();
 
   return kSuccessExitCode;
 }
 
 }  // namespace remoting
 
 #if !defined(OS_WIN)
 int main(int argc, char** argv) {
   return remoting::HostMain(argc, argv);
 }
 #endif  // !defined(OS_WIN)