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

net/quic/chromium/quic_chromium_client_session.cc

Index: net/quic/chromium/quic_chromium_client_session.cc
diff --git a/net/quic/chromium/quic_chromium_client_session.cc b/net/quic/chromium/quic_chromium_client_session.cc
index 06e0a5136e35bbfeb8e4796fe3a94c6bc31fd73f..f9c3638bdacbb7ed1c81cff218a09085900a072a 100644
--- a/net/quic/chromium/quic_chromium_client_session.cc
+++ b/net/quic/chromium/quic_chromium_client_session.cc
@@ -876,6 +876,11 @@ void QuicChromiumClientSession::OnConnectionClosed(
     UMA_HISTOGRAM_COUNTS(
         "Net.QuicSession.ConnectionClose.NumOpenStreams.TimedOut",
         GetNumOpenOutgoingStreams());
+    // If the connection times out with open stream, notify the factory to use
+    // reduced ping timeouts.
+    if (GetNumOpenOutgoingStreams() > 0 && stream_factory_) {
+      stream_factory_->set_reduced_ping_timeout();

[Ryan Hamilton, 2016/09/01 16:36:14]

nit: I'd probably be inclined to call stream_factory_->OnTimeoutWithOpenStream()
and then the factory can decide what to do with this information.

[Zhongyi Shi, 2016/09/01 18:58:29]

Done.

+    }
     if (IsCryptoHandshakeConfirmed()) {
       if (GetNumOpenOutgoingStreams() > 0) {
         disabled_reason_ = QUIC_DISABLED_TIMEOUT_WITH_OPEN_STREAMS;