Quic use reduced PING timeout when previous connection times out with open streams

net/quic/chromium/quic_stream_factory.h

Index: net/quic/chromium/quic_stream_factory.h
diff --git a/net/quic/chromium/quic_stream_factory.h b/net/quic/chromium/quic_stream_factory.h
index b0fef1fb7c8e3591cbfe692c9bfe437e574b8e62..4026d9a1cafcba6914af170a3409bbf1cc6c29b9 100644
--- a/net/quic/chromium/quic_stream_factory.h
+++ b/net/quic/chromium/quic_stream_factory.h
@@ -190,6 +190,7 @@ class NET_EXPORT_PRIVATE QuicStreamFactory
       bool close_sessions_on_ip_change,
       bool disable_quic_on_timeout_with_open_streams,
       int idle_connection_timeout_seconds,
+      int reduced_ping_timeout_seconds,
       int packet_reader_yield_after_duration_milliseconds,
       bool migrate_sessions_on_network_change,
       bool migrate_sessions_early,
@@ -254,6 +255,9 @@ class NET_EXPORT_PRIVATE QuicStreamFactory
   // Called by a session after it shuts down.
   void OnSessionClosed(QuicChromiumClientSession* session);
 
+  // Called by a session when it times out with open streams.
+  void OnTimeoutWithOpenStreams();
+
   // Cancels a pending request.
   void CancelRequest(QuicStreamRequest* request);
 
@@ -596,6 +600,10 @@ class NET_EXPORT_PRIVATE QuicStreamFactory
   // Set if we do want to delay TCP connection when it is racing with QUIC.
   bool delay_tcp_race_;
 
+  // PING timeout for connections.
+  QuicTime::Delta ping_timeout_;
+  QuicTime::Delta reduced_ping_timeout_;
+
   // If more than |yield_after_packets_| packets have been read or more than
   // |yield_after_duration_| time has passed, then
   // QuicChromiumPacketReader::StartReading() yields by doing a PostTask().