Making WebRtcSession fire a destroyed signal.

talk/app/webrtc/webrtcsession.cc

 /*
  * libjingle
  * Copyright 2012 Google Inc.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are met:
  *
  *  1. Redistributions of source code must retain the above copyright notice,
  *     this list of conditions and the following disclaimer.
  *  2. Redistributions in binary form must reproduce the above copyright notice,
@@ skipping 572 matching lines @@
     channel_manager_->DestroyVideoChannel(video_channel_.release());
   }
   if (voice_channel_) {
     SignalVoiceChannelDestroyed();
     channel_manager_->DestroyVoiceChannel(voice_channel_.release());
   }
   if (data_channel_) {
     SignalDataChannelDestroyed();
     channel_manager_->DestroyDataChannel(data_channel_.release());
   }
+  SignalDestroyed();
 
   LOG(LS_INFO) << "Session: " << id() << " is destroyed.";
 }
 
 bool WebRtcSession::Initialize(
     const PeerConnectionFactoryInterface::Options& options,
     const MediaConstraintsInterface* constraints,
     rtc::scoped_ptr<DtlsIdentityStoreInterface> dtls_identity_store,
     const PeerConnectionInterface::RTCConfiguration& rtc_configuration) {
   bundle_policy_ = rtc_configuration.bundle_policy;
@@ skipping 818 matching lines @@
     return false;
   }
   if (!voice_channel_->InsertDtmf(send_ssrc, code, duration)) {
     LOG(LS_ERROR) << "Failed to insert DTMF to channel.";
     return false;
   }
   return true;
 }
 
 sigslot::signal0<>* WebRtcSession::GetOnDestroyedSignal() {
-  return &SignalVoiceChannelDestroyed;
+  return &SignalDestroyed;
 }
 
 bool WebRtcSession::SendData(const cricket::SendDataParams& params,
                              const rtc::Buffer& payload,
                              cricket::SendDataResult* result) {
   if (!data_channel_) {
     LOG(LS_ERROR) << "SendData called when data_channel_ is NULL.";
     return false;
   }
   return data_channel_->SendData(params, payload, result);
@@ skipping 762 matching lines @@
   }
 }
 
 void WebRtcSession::OnSentPacket_w(cricket::TransportChannel* channel,
                                    const rtc::SentPacket& sent_packet) {
   RTC_DCHECK(worker_thread()->IsCurrent());
   media_controller_->call_w()->OnSentPacket(sent_packet);
 }
 
 }  // namespace webrtc