Keep on sending stun binding requests on zero-cost networks.

webrtc/p2p/base/stunrequest.h

 /*
  *  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 21 matching lines @@
 
   // Starts sending the given request (perhaps after a delay).
   void Send(StunRequest* request);
   void SendDelayed(StunRequest* request, int delay);
 
   // If |msg_type| is kAllRequests, sends all pending requests right away.
   // Otherwise, sends those that have a matching type right away.
   // Only for testing.
   void Flush(int msg_type);
 
+  // Returns true if at least one request with |msg_type| is scheduled for
+  // transmission. For testing only.
+  bool Exist(int msg_type);
+
   // Removes a stun request that was added previously.  This will happen
   // automatically when a request succeeds, fails, or times out.
   void Remove(StunRequest* request);
 
   // Removes all stun requests that were added previously.
   void Clear();
 
   // Determines whether the given message is a response to one of the
   // outstanding requests, and if so, processes it appropriately.
   bool CheckResponse(StunMessage* msg);
@@ skipping 74 matching lines @@
   StunRequestManager* manager_;
   StunMessage* msg_;
   uint32_t tstamp_;
 
   friend class StunRequestManager;
 };
 
 }  // namespace cricket
 
 #endif  // WEBRTC_P2P_BASE_STUNREQUEST_H_