Remove ports that are not used by any channel after timeout

webrtc/p2p/base/p2ptransportchannel.h

Index: webrtc/p2p/base/p2ptransportchannel.h
diff --git a/webrtc/p2p/base/p2ptransportchannel.h b/webrtc/p2p/base/p2ptransportchannel.h
index 692b09843bf7dbf470cc41a3972bd7a8f8fe03cf..b0341dd1e3b5436598496bd2ed15ae1e2173b715 100644
--- a/webrtc/p2p/base/p2ptransportchannel.h
+++ b/webrtc/p2p/base/p2ptransportchannel.h
@@ -127,9 +127,10 @@ class P2PTransportChannel : public TransportChannelImpl,
   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_; }