Revert of Use standard ICE in Chromoting.

remoting/host/chromoting_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.
 
 #include "remoting/host/chromoting_host.h"
 
 #include <algorithm>
 
 #include "base/bind.h"
 #include "base/callback.h"
@@ skipping 267 matching lines @@
     return;
   }
 
   if (login_backoff_.ShouldRejectRequest()) {
     LOG(WARNING) << "Rejecting connection due to"
                     " an overload of failed login attempts.";
     *response = protocol::SessionManager::OVERLOAD;
     return;
   }
 
-  scoped_ptr<protocol::SessionConfig> config =
-      protocol::SessionConfig::SelectCommon(session->candidate_config(),
-                                            protocol_config_.get());
-  if (!config) {
+  protocol::SessionConfig config;
+  if (!protocol_config_->Select(session->candidate_config(), &config)) {
     LOG(WARNING) << "Rejecting connection from " << session->jid()
                  << " because no compatible configuration has been found.";
     *response = protocol::SessionManager::INCOMPATIBLE;
     return;
   }
 
-  session->set_config(config.Pass());
+  session->set_config(config);
 
   *response = protocol::SessionManager::ACCEPT;
 
   HOST_LOG << "Client connected: " << session->jid();
 
   // Create a client object.
   scoped_ptr<protocol::ConnectionToClient> connection(
       new protocol::ConnectionToClient(session));
   ClientSession* client = new ClientSession(
       this,
@@ skipping 24 matching lines @@
   DCHECK(CalledOnValidThread());
 
   while (!clients_.empty()) {
     size_t size = clients_.size();
     clients_.front()->DisconnectSession();
     CHECK_EQ(clients_.size(), size - 1);
   }
 }
 
 }  // namespace remoting