Remove ports that are not used by any channel after timeout

webrtc/p2p/base/p2ptransportchannel.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 109 matching lines @@
   int GetError() override { return error_; }
   bool GetStats(std::vector<ConnectionInfo>* stats) override;
 
   // TODO(honghaiz): Remove this method once the reference of it in
   // Chromoting is removed.
   const Connection* best_connection() const { return selected_connection_; }
 
   const Connection* selected_connection() const { return selected_connection_; }
   void set_incoming_only(bool value) { incoming_only_ = value; }
 
-  // Note: This is only for testing purpose.
+  // Note: They are only for testing purpose.

[pthatcher1, 2016/07/27 18:33:15]

They are => These are 
or => The following are 

[honghaiz3, 2016/07/28 01:22:49]

Done.

   // |ports_| should not be changed from outside.
   const std::vector<PortInterface*>& ports() { return ports_; }
+  const std::vector<PortInterface*>& removed_ports() { return removed_ports_; }
 
   IceMode remote_ice_mode() const { return remote_ice_mode_; }
 
   // DTLS methods.
   bool IsDtlsActive() const override { return false; }
 
   // Default implementation.
   bool GetSslRole(rtc::SSLRole* role) const override { return false; }
 
   bool SetSslRole(rtc::SSLRole role) override { return false; }
@@ skipping 260 matching lines @@
   IceConfig config_;
   int last_sent_packet_id_ = -1;  // -1 indicates no packet was sent before.
   bool started_pinging_ = false;
 
   RTC_DISALLOW_COPY_AND_ASSIGN(P2PTransportChannel);
 };
 
 }  // namespace cricket
 
 #endif  // WEBRTC_P2P_BASE_P2PTRANSPORTCHANNEL_H_