relnote: add connection option "SPSH" to indicate whether client wants to do server push or not, wh…

net/tools/quic/quic_server_session_base.cc

Index: net/tools/quic/quic_server_session_base.cc
diff --git a/net/tools/quic/quic_server_session_base.cc b/net/tools/quic/quic_server_session_base.cc
index e2341906bdf04c12279a7b3e9e3ca59dbea43e9c..779a786ed2627b934152bd76a93c75869b443d7b 100644
--- a/net/tools/quic/quic_server_session_base.cc
+++ b/net/tools/quic/quic_server_session_base.cc
@@ -29,7 +29,8 @@ QuicServerSessionBase::QuicServerSessionBase(
       bandwidth_resumption_enabled_(false),
       bandwidth_estimate_sent_to_client_(QuicBandwidth::Zero()),
       last_scup_time_(QuicTime::Zero()),
-      last_scup_packet_number_(0) {}
+      last_scup_packet_number_(0),
+      server_push_enabled_(false) {}
 
 QuicServerSessionBase::~QuicServerSessionBase() {}
 
@@ -53,6 +54,8 @@ void QuicServerSessionBase::OnConfigNegotiated() {
       ContainsQuicTag(config()->ReceivedConnectionOptions(), kBWMX);
   bandwidth_resumption_enabled_ =
       last_bandwidth_resumption || max_bandwidth_resumption;
+  server_push_enabled_ =
+      ContainsQuicTag(config()->ReceivedConnectionOptions(), kSPSH);
 
   // If the client has provided a bandwidth estimate from the same serving
   // region as this server, then decide whether to use the data for bandwidth