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

remoting/host/remoting_me2me_host.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 a standalone host process for Me2Me.
 
 #include <string>
 
 #include "base/at_exit.h"
 #include "base/bind.h"
@@ skipping 782 matching lines @@
   scoped_ptr<PairingRegistryDelegateWin> delegate(
       new PairingRegistryDelegateWin());
   bool result = delegate->SetRootKeys(
       reinterpret_cast<HKEY>(
           IPC::PlatformFileForTransitToPlatformFile(privileged_key)),
       reinterpret_cast<HKEY>(
           IPC::PlatformFileForTransitToPlatformFile(unprivileged_key)));
   if (!result)
     return;
 
-  pairing_registry_delegate_ = delegate.PassAs<PairingRegistry::Delegate>();
+  pairing_registry_delegate_ = delegate.Pass();
 #else  // !defined(OS_WIN)
   NOTREACHED();
 #endif  // !defined(OS_WIN)
 }
 
 // Applies the host config, returning true if successful.
 bool HostProcess::ApplyConfig(scoped_ptr<JsonHostConfig> config) {
   DCHECK(context_->network_task_runner()->BelongsToCurrentThread());
 
   if (!config->GetString(kHostIdConfigPath, &host_id_)) {
@@ skipping 457 matching lines @@
     scoped_ptr<protocol::CandidateSessionConfig> config =
         host_->protocol_config()->Clone();
     config->EnableVideoCodec(protocol::ChannelConfig::CODEC_VP9);
     host_->set_protocol_config(config.Pass());
   }
 
   if (frame_recorder_buffer_size_ > 0) {
     scoped_ptr<VideoFrameRecorderHostExtension> frame_recorder_extension(
         new VideoFrameRecorderHostExtension());
     frame_recorder_extension->SetMaxContentBytes(frame_recorder_buffer_size_);
-    host_->AddExtension(frame_recorder_extension.PassAs<HostExtension>());
+    host_->AddExtension(frame_recorder_extension.Pass());
   }
 
   // TODO(simonmorris): Get the maximum session duration from a policy.
 #if defined(OS_LINUX)
   host_->SetMaximumSessionDuration(base::TimeDelta::FromHours(20));
 #endif
 
   heartbeat_sender_.reset(new HeartbeatSender(
       this, host_id_, signal_strategy_.get(), key_pair_,
       directory_bot_jid_));
@@ skipping 156 matching lines @@
   int exit_code = kSuccessExitCode;
   new HostProcess(context.Pass(), &exit_code);
 
   // Run the main (also UI) message loop until the host no longer needs it.
   message_loop.Run();
 
   return exit_code;
 }
 
 }  // namespace remoting