390   auto protocol_connection =  in OnPresentationStarted()  local
392   auto* raw_protocol_connection_ptr = protocol_connection.get();  in OnPresentationStarted()
395            << protocol_connection->id();  in OnPresentationStarted()
411                           std::move(protocol_connection));  in OnPresentationStarted()
449   auto protocol_connection =  in OnConnectionCreated()  local
452   WritePresentationConnectionOpenResponse(response, protocol_connection.get());  in OnConnectionCreated()
460   std::unique_ptr<ProtocolConnection> protocol_connection =  in CloseConnection()  local
463   if (!protocol_connection)  in CloseConnection()
471   return protocol_connection->WriteMessage(  in CloseConnection()
483   std::unique_ptr<ProtocolConnection> protocol_connection =  in OnPresentationTerminated()  local
486   if (!protocol_connection)  in OnPresentationTerminated()
499                                                 protocol_connection.get());  in OnPresentationTerminated()
506   return WritePresentationTerminationEvent(event, protocol_connection.get());  in OnPresentationTerminated()