QUIC: Only send a new SCUP if enough packets have been sent since the

net/quic/quic_server_session.h

Index: net/quic/quic_server_session.h
diff --git a/net/quic/quic_server_session.h b/net/quic/quic_server_session.h
index 2f0bdea0a2d202a7e715f1e7e68304876b1e373a..b2b7655b890c6c3ca2edfc441b5bf8ac22f751bb 100644
--- a/net/quic/quic_server_session.h
+++ b/net/quic/quic_server_session.h
@@ -99,7 +99,10 @@ class QuicServerSession : public QuicSession {
   string serving_region_;
 
   // Time at which we send the last SCUP to the client.
-  QuicTime last_server_config_update_time_;
+  QuicTime last_scup_time_;
+
+  // Number of packets sent to the peer, at the time we last sent a SCUP.
+  int64 last_scup_sequence_number_;
 
   DISALLOW_COPY_AND_ASSIGN(QuicServerSession);
 };