[Chromoting] Remove DataChannelManagerCallbacks constructor parameter of ClientSession

remoting/test/it2me_standalone_host.cc

 // Copyright 2016 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/test/it2me_standalone_host.h"
 
 #include <iostream>
 #include <vector>
 
 #include "base/bind.h"
@@ skipping 72 matching lines @@
                           base::ConstRef(event_logger_)));
 }
 
 void It2MeStandaloneHost::Connect() {
   DesktopEnvironmentOptions options =
       DesktopEnvironmentOptions::CreateDefault();
   options.set_enable_user_interface(false);
   session_.reset(new ClientSession(
       &handler_, std::unique_ptr<protocol::ConnectionToClient>(&connection_),
       &factory_, options, base::TimeDelta(),
-      scoped_refptr<protocol::PairingRegistry>(), std::vector<HostExtension*>(),
-      std::vector<protocol::DataChannelManager::NameCallbackPair>()));
+      scoped_refptr<protocol::PairingRegistry>(),
+      std::vector<HostExtension*>()));
   session_->OnConnectionAuthenticated();
   session_->OnConnectionChannelsConnected();
   session_->CreateMediaStreams();
 }
 
 }  // namespace test
 }  // namespace remoting