Correct stats for RTCPeerConnectionStats.dataChannels[Opened/Closed].

webrtc/api/peerconnection.cc

 /*
  *  Copyright 2012 The WebRTC project authors. All Rights Reserved.
  *
  *  Use of this source code is governed by a BSD-style license
  *  that can be found in the LICENSE file in the root of the source
  *  tree. An additional intellectual property rights grant can be found
  *  in the file PATENTS.  All contributing project authors may
  *  be found in the AUTHORS file in the root of the source tree.
  */
 
@@ skipping 2084 matching lines @@
       return nullptr;
     }
     rtp_data_channels_[channel->label()] = channel;
   } else {
     RTC_DCHECK(channel->data_channel_type() == cricket::DCT_SCTP);
     sctp_data_channels_.push_back(channel);
     channel->SignalClosed.connect(this,
                                   &PeerConnection::OnSctpDataChannelClosed);
   }
 
+  SignalDataChannelCreated(channel.get());
   return channel;
 }
 
 bool PeerConnection::HasDataChannels() const {
 #ifdef HAVE_QUIC
   return !rtp_data_channels_.empty() || !sctp_data_channels_.empty() ||
          (session_->quic_data_transport() &&
           session_->quic_data_transport()->HasDataChannels());
 #else
   return !rtp_data_channels_.empty() || !sctp_data_channels_.empty();
@@ skipping 234 matching lines @@
 
 bool PeerConnection::StartRtcEventLog_w(rtc::PlatformFile file,
                                         int64_t max_size_bytes) {
   return event_log_->StartLogging(file, max_size_bytes);
 }
 
 void PeerConnection::StopRtcEventLog_w() {
   event_log_->StopLogging();
 }
 }  // namespace webrtc