Add flakiness check if there is no received packets in a certain period.

webrtc/p2p/base/transportchannel.cc

 /*
  *  Copyright 2004 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 13 matching lines @@
   return ss.str();
 }
 
 void TransportChannel::set_readable(bool readable) {
   if (readable_ != readable) {
     readable_ = readable;
     SignalReadableState(this);
   }
 }
 
+void TransportChannel::set_receiving(bool receiving) {
+  if (receiving_ == receiving) {
+    return;
+  }
+  receiving_ = receiving;
+  SignalReceivingState(this);
+}
+
 void TransportChannel::set_writable(bool writable) {
   if (writable_ != writable) {
     LOG_J(LS_VERBOSE, this) << "set_writable from:" << writable_ << " to "
                             << writable;
     writable_ = writable;
     if (writable_) {
       SignalReadyToSend(this);
     }
     SignalWritableState(this);
   }
 }
 
 }  // namespace cricket