First step of passive aggressive nomination.

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 286a547e38b70eb11e3eed97b1bae5a201f5aaf4..335ee7d166205040c24b3cb0a74dc12bec59ca97 100644
--- a/webrtc/p2p/base/p2ptransportchannel.h
+++ b/webrtc/p2p/base/p2ptransportchannel.h
@@ -211,7 +211,7 @@ class P2PTransportChannel : public TransportChannelImpl,
   void OnReadyToSend(Connection* connection);
   void OnConnectionDestroyed(Connection *connection);
 
-  void OnUseCandidate(Connection* conn);
+  void OnNominated(Connection* conn);
 
   virtual void OnMessage(rtc::Message *pmsg);
   void OnSort();
@@ -219,6 +219,9 @@ class P2PTransportChannel : public TransportChannelImpl,
 
   void OnCheckReceiving();
 
+  void PruneConnections();
+  Connection* best_nominated_connection() const;
+
   P2PTransport* transport_;
   PortAllocator *allocator_;
   rtc::Thread *worker_thread_;