Fire a signal when the transport channel state changes

webrtc/p2p/base/transportcontroller.h

 /*
  *  Copyright 2015 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 180 matching lines @@
   // Handlers for signals from Transport.
   void OnChannelWritableState_n(TransportChannel* channel);
   void OnChannelReceivingState_n(TransportChannel* channel);
   void OnChannelGatheringState_n(TransportChannelImpl* channel);
   void OnChannelCandidateGathered_n(TransportChannelImpl* channel,
                                     const Candidate& candidate);
   void OnChannelCandidatesRemoved(const Candidates& candidates);
   void OnChannelCandidatesRemoved_n(TransportChannelImpl* channel,
                                     const Candidates& candidates);
   void OnChannelRoleConflict_n(TransportChannelImpl* channel);
-  void OnChannelConnectionRemoved_n(TransportChannelImpl* channel);
+  void OnChannelStateChanged_n(TransportChannelImpl* channel);
 
   void UpdateAggregateStates_n();
 
   rtc::Thread* const signaling_thread_ = nullptr;
   rtc::Thread* const network_thread_ = nullptr;
   typedef std::map<std::string, Transport*> TransportMap;
   TransportMap transports_;
 
   std::vector<RefCountedChannel> channels_;
 
@@ skipping 13 matching lines @@
   uint64_t ice_tiebreaker_ = rtc::CreateRandomId64();
   rtc::scoped_refptr<rtc::RTCCertificate> certificate_;
   rtc::AsyncInvoker invoker_;
   // True if QUIC is used instead of DTLS.
   bool quic_ = false;
 };
 
 }  // namespace cricket
 
 #endif  // WEBRTC_P2P_BASE_TRANSPORTCONTROLLER_H_