Prepare for ICE-renomination

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..e25f222a7d3758781ffc59d7b11a8ebe2d85bb5b 100644
--- a/webrtc/p2p/base/p2ptransportchannel.h
+++ b/webrtc/p2p/base/p2ptransportchannel.h
@@ -207,6 +207,11 @@ class P2PTransportChannel : public TransportChannelImpl,
     return remote_candidates_;
   }
 
+  // Public for unit tests.
+  void set_peer_supports_renomination(bool peer_supports_renomination) {
+    peer_supports_renomination_ = peer_supports_renomination;
+  }
+
  private:
   rtc::Thread* thread() const { return worker_thread_; }
   bool IsGettingPorts() { return allocator_session()->IsGettingPorts(); }
@@ -403,6 +408,13 @@ class P2PTransportChannel : public TransportChannelImpl,
   IceConfig config_;
   int last_sent_packet_id_ = -1;  // -1 indicates no packet was sent before.
   bool started_pinging_ = false;
+  // Its value will be set in subsequent CLs based on signaling exchange.
+  bool peer_supports_renomination_ = false;
+  // The value put in the "nomination" attribute for the next nominated
+  // connection. A zero-value indicates the connection will not be nominated.
+  // Because we are implementing aggressive nomination, set the default value to
+  // 1.
+  int nominating_value_ = 1;
 
   RTC_DISALLOW_COPY_AND_ASSIGN(P2PTransportChannel);
 };