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..3aea4abc0b9d27cd46ee20bf22a45034fe9825c8 100644
--- a/webrtc/p2p/base/p2ptransportchannel.h
+++ b/webrtc/p2p/base/p2ptransportchannel.h
@@ -403,6 +403,14 @@ 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.
+  int nominating_value_ = 0;
+  // Used in the controlling side to remember the last connection we have
+  // nominated.
+  Connection* last_nominating_connection_ = nullptr;
 
   RTC_DISALLOW_COPY_AND_ASSIGN(P2PTransportChannel);
 };