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

webrtc/api/datachannel.h

 /*
  *  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 162 matching lines @@
   // longer part of the session negotiation.
   void SetSendSsrc(uint32_t send_ssrc);
   // Set the SSRC this channel should use to receive data from the
   // underlying data engine.
   void SetReceiveSsrc(uint32_t receive_ssrc);
 
   cricket::DataChannelType data_channel_type() const {
     return data_channel_type_;
   }
 
+  // Emitted when state transitions to kOpen.
+  sigslot::signal1<DataChannel*> SignalOpened;
   // Emitted when state transitions to kClosed.
   // In the case of SCTP channels, this signal can be used to tell when the
   // channel's sid is free.
   sigslot::signal1<DataChannel*> SignalClosed;
 
  protected:
   DataChannel(DataChannelProviderInterface* client,
               cricket::DataChannelType dct,
               const std::string& label);
   virtual ~DataChannel();
@@ skipping 94 matching lines @@
   PROXY_CONSTMETHOD0(uint32_t, messages_received)
   PROXY_CONSTMETHOD0(uint64_t, bytes_received)
   PROXY_CONSTMETHOD0(uint64_t, buffered_amount)
   PROXY_METHOD0(void, Close)
   PROXY_METHOD1(bool, Send, const DataBuffer&)
 END_SIGNALING_PROXY()
 
 }  // namespace webrtc
 
 #endif  // WEBRTC_API_DATACHANNEL_H_