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

net/tools/quic/quic_simple_server_session.cc

Index: net/tools/quic/quic_simple_server_session.cc
diff --git a/net/tools/quic/quic_simple_server_session.cc b/net/tools/quic/quic_simple_server_session.cc
index 8a31699e1636ac9feced4f125116e33e28501b66..946ac8a5b90eceba46179937f81bc108c12d678a 100644
--- a/net/tools/quic/quic_simple_server_session.cc
+++ b/net/tools/quic/quic_simple_server_session.cc
@@ -65,6 +65,10 @@ void QuicSimpleServerSession::PromisePushResources(
     const std::list<QuicInMemoryCache::ServerPushInfo>& resources,
     QuicStreamId original_stream_id,
     const SpdyHeaderBlock& original_request_headers) {
+  if (!server_push_enabled()) {
+    return;
+  }
+
   for (QuicInMemoryCache::ServerPushInfo resource : resources) {
     SpdyHeaderBlock headers = SynthesizePushRequestHeaders(
         request_url, resource, original_request_headers);