Made the ChromotingHost class not ref-counted.

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 264 matching lines @@
   GURL token_url_;
   GURL token_validation_url_;
 
   scoped_ptr<XmppSignalStrategy> signal_strategy_;
   scoped_ptr<SignalingConnector> signaling_connector_;
   scoped_ptr<HeartbeatSender> heartbeat_sender_;
   scoped_ptr<HostChangeNotificationListener> host_change_notification_listener_;
   scoped_ptr<LogToServer> log_to_server_;
   scoped_ptr<HostEventLogger> host_event_logger_;
 
-  scoped_refptr<ChromotingHost> host_;
+  scoped_ptr<ChromotingHost> host_;
 
   // Used to keep this HostProcess alive until it is shutdown.
   scoped_refptr<HostProcess> self_;
 
 #if defined(REMOTING_MULTI_PROCESS)
   DesktopSessionConnector* desktop_session_connector_;
 #endif  // defined(REMOTING_MULTI_PROCESS)
 
   int* exit_code_out_;
 };
@@ skipping 647 matching lines @@
 
   NetworkSettings network_settings(
       allow_nat_traversal_ ?
       NetworkSettings::NAT_TRAVERSAL_ENABLED :
       NetworkSettings::NAT_TRAVERSAL_DISABLED);
   if (!allow_nat_traversal_) {
     network_settings.min_port = NetworkSettings::kDefaultMinPort;
     network_settings.max_port = NetworkSettings::kDefaultMaxPort;
   }
 
-  host_ = new ChromotingHost(
+  host_.reset(new ChromotingHost(
       signal_strategy_.get(),
       desktop_environment_factory_.get(),
       CreateHostSessionManager(network_settings,
                                context_->url_request_context_getter()),
       context_->audio_task_runner(),
       context_->input_task_runner(),
       context_->video_capture_task_runner(),
       context_->video_encode_task_runner(),
       context_->network_task_runner(),
-      context_->ui_task_runner());
+      context_->ui_task_runner()));
 
   // 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 60 matching lines @@
   if (host_) {
     host_->DisconnectAllClients();
   }
 }
 
 void HostProcess::RestartHost() {
   DCHECK(context_->network_task_runner()->BelongsToCurrentThread());
   DCHECK_EQ(state_, HOST_STARTED);
 
   state_ = HOST_STOPPING_TO_RESTART;
-  host_->Shutdown(base::Bind(&HostProcess::ShutdownOnNetworkThread, this));
+  ShutdownOnNetworkThread();
 }
 
 void HostProcess::ShutdownHost(int exit_code) {
   DCHECK(context_->network_task_runner()->BelongsToCurrentThread());
 
   *exit_code_out_ = exit_code;
 
   switch (state_) {
     case HOST_INITIALIZING:
+    case HOST_STARTED:
       state_ = HOST_STOPPING;
       ShutdownOnNetworkThread();
       break;
 
-    case HOST_STARTED:
-      state_ = HOST_STOPPING;
-      host_->Shutdown(base::Bind(&HostProcess::ShutdownOnNetworkThread, this));
-      break;
-
     case HOST_STOPPING_TO_RESTART:
       state_ = HOST_STOPPING;
       break;
 
     case HOST_STOPPING:
     case HOST_STOPPED:
       // Host is already stopped or being stopped. No action is required.
       break;
   }
 }
 
 void HostProcess::ShutdownOnNetworkThread() {
   DCHECK(context_->network_task_runner()->BelongsToCurrentThread());
 
-  host_ = NULL;
+  host_.reset();
   curtaining_host_observer_.reset();
   host_event_logger_.reset();
   log_to_server_.reset();
   heartbeat_sender_.reset();
   host_change_notification_listener_.reset();
   signaling_connector_.reset();
   signal_strategy_.reset();
   network_change_notifier_.reset();
 
   if (state_ == HOST_STOPPING_TO_RESTART) {
     StartHost();
   } else if (state_ == HOST_STOPPING) {
     state_ = HOST_STOPPED;
 
     if (policy_watcher_.get()) {
       base::WaitableEvent done_event(true, false);
       policy_watcher_->StopWatching(&done_event);
       done_event.Wait();
       policy_watcher_.reset();
     }
 
     config_watcher_.reset();
 
     // Complete the rest of shutdown on the main thread.
     context_->ui_task_runner()->PostTask(
         FROM_HERE,
         base::Bind(&HostProcess::ShutdownOnUiThread, this));
   } else {
-    // This method is used as a callback for ChromotingHost::Shutdown() which is
-    // called only in STOPPING_TO_RESTART and STOPPING states.
+    // This method is only called in STOPPING_TO_RESTART and STOPPING states.
     NOTREACHED();
   }
 }
 
 void HostProcess::OnCrash(const std::string& function_name,
                           const std::string& file_name,
                           const int& line_number) {
   char message[1024];
   base::snprintf(message, sizeof(message),
                  "Requested by %s at %s, line %d.",
@@ skipping 37 matching lines @@
   return exit_code;
 }
 
 }  // namespace remoting
 
 #if !defined(OS_WIN)
 int main(int argc, char** argv) {
   return remoting::HostMain(argc, argv);
 }
 #endif  // !defined(OS_WIN)