WebRTC's scoped_ptr and scoped_ptr.h are going away, so stop using them

remoting/protocol/webrtc_transport.cc

 // Copyright 2015 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/protocol/webrtc_transport.h"
 
 #include <string>
 #include <utility>
 #include <vector>
 
@@ skipping 178 matching lines @@
   rtc_config.servers.push_back(stun_server);
 
   webrtc::FakeConstraints constraints;
   constraints.AddMandatory(webrtc::MediaConstraintsInterface::kEnableDtlsSrtp,
                            webrtc::MediaConstraintsInterface::kValueTrue);
 
   std::unique_ptr<cricket::PortAllocator> port_allocator =
       transport_context_->port_allocator_factory()->CreatePortAllocator(
           transport_context_);
   peer_connection_ = peer_connection_factory_->CreatePeerConnection(
-      rtc_config, &constraints,
-      rtc::scoped_ptr<cricket::PortAllocator>(port_allocator.release()),
-      nullptr, this);
+      rtc_config, &constraints, std::move(port_allocator), nullptr, this);
 
   outgoing_data_stream_adapter_.Initialize(peer_connection_);
   incoming_data_stream_adapter_.Initialize(peer_connection_);
 
   event_handler_->OnWebrtcTransportConnecting();
 
   if (transport_context_->role() == TransportRole::SERVER)
     RequestNegotiation();
 }
 
@@ skipping 355 matching lines @@
   peer_connection_->Close();
   peer_connection_ = nullptr;
   peer_connection_factory_ = nullptr;
 
   if (error != OK)
     event_handler_->OnWebrtcTransportError(error);
 }
 
 }  // namespace protocol
 }  // namespace remoting