Cleanup usage of scoped_ptr<> in remoting for C++11

remoting/host/desktop_session_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/desktop_session_win.h"
 
 #include <limits>
 #include <sddl.h>
 
 #include "base/base_switches.h"
@@ skipping 357 matching lines @@
 scoped_ptr<DesktopSession> DesktopSessionWin::CreateForConsole(
     scoped_refptr<AutoThreadTaskRunner> caller_task_runner,
     scoped_refptr<AutoThreadTaskRunner> io_task_runner,
     DaemonProcess* daemon_process,
     int id,
     const ScreenResolution& resolution) {
   scoped_ptr<ConsoleSession> session(new ConsoleSession(
       caller_task_runner, io_task_runner, daemon_process, id,
       HostService::GetInstance()));
 
-  return session.PassAs<DesktopSession>();
+  return session.Pass();
 }
 
 // static
 scoped_ptr<DesktopSession> DesktopSessionWin::CreateForVirtualTerminal(
     scoped_refptr<AutoThreadTaskRunner> caller_task_runner,
     scoped_refptr<AutoThreadTaskRunner> io_task_runner,
     DaemonProcess* daemon_process,
     int id,
     const ScreenResolution& resolution) {
   scoped_ptr<RdpSession> session(new RdpSession(
       caller_task_runner, io_task_runner, daemon_process, id,
       HostService::GetInstance()));
   if (!session->Initialize(resolution))
-    return scoped_ptr<DesktopSession>();
+    return nullptr;
 
-  return session.PassAs<DesktopSession>();
+  return session.Pass();
 }
 
 DesktopSessionWin::DesktopSessionWin(
     scoped_refptr<AutoThreadTaskRunner> caller_task_runner,
     scoped_refptr<AutoThreadTaskRunner> io_task_runner,
     DaemonProcess* daemon_process,
     int id,
     WtsTerminalMonitor* monitor)
     : DesktopSession(daemon_process, id),
       caller_task_runner_(caller_task_runner),
@@ skipping 140 matching lines @@
                                     target.Pass(),
                                     launch_elevated,
                                     base::WideToUTF8(
                                         kDaemonIpcSecurityDescriptor)));
   if (!delegate->Initialize(session_id)) {
     TerminateSession();
     return;
   }
 
   // Create a launcher for the desktop process, using the per-session delegate.
-  launcher_.reset(new WorkerProcessLauncher(
-      delegate.PassAs<WorkerProcessLauncher::Delegate>(), this));
+  launcher_.reset(new WorkerProcessLauncher(delegate.Pass(), this));
 }
 
 void DesktopSessionWin::OnSessionDetached() {
   DCHECK(caller_task_runner_->BelongsToCurrentThread());
 
   launcher_.reset();
 
   if (monitoring_notifications_) {
     ReportElapsedTime("detached");
 
@@ skipping 36 matching lines @@
                                 exploded.hour,
                                 exploded.minute,
                                 exploded.second,
                                 exploded.millisecond,
                                 passed.c_str());
 
   last_timestamp_ = now;
 }
 
 }  // namespace remoting