Use std::move() instead of .Pass() in remoting/host

remoting/host/me2me_desktop_environment.cc

Index: remoting/host/me2me_desktop_environment.cc
diff --git a/remoting/host/me2me_desktop_environment.cc b/remoting/host/me2me_desktop_environment.cc
index be41bfb25f5d0bfeb435c58f0c3feef5dc302da2..c8a668c89f84e2ea9be4daad186b807c028cbfb2 100644
--- a/remoting/host/me2me_desktop_environment.cc
+++ b/remoting/host/me2me_desktop_environment.cc
@@ -116,9 +116,7 @@ bool Me2MeDesktopEnvironment::InitializeSecurity(
 
     disconnect_window_ = HostWindow::CreateDisconnectWindow();
     disconnect_window_.reset(new HostWindowProxy(
-        caller_task_runner(),
-        ui_task_runner(),
-        disconnect_window_.Pass()));
+        caller_task_runner(), ui_task_runner(), std::move(disconnect_window_)));
     disconnect_window_->Start(client_session_control);
   }
 
@@ -157,7 +155,7 @@ scoped_ptr<DesktopEnvironment> Me2MeDesktopEnvironmentFactory::Create(
   }
   desktop_environment->SetEnableGnubbyAuth(gnubby_auth_enabled_);
 
-  return desktop_environment.Pass();
+  return std::move(desktop_environment);
 }
 
 void Me2MeDesktopEnvironmentFactory::SetEnableCurtaining(bool enable) {