Roll src/net/third_party/quiche/src/ 37c5f8fa5..867ef5f63 (6 commits)

https://quiche.googlesource.com/quiche.git/+log/37c5f8fa5ffc..867ef5f63787

$ git log 37c5f8fa5..867ef5f63 --date=short --no-merges --format='%ad %ae %s'
2020-10-22 renjietang Replace client side TLS 0-RTT flag with protocol flag FLAG_quic_disable_tls_zero_rtt.
2020-10-22 fayang Downgrade QUIC_BUG to DLOG(WARNING) when idle network deadline has passed during liveness testing.
2020-10-22 ianswett Delay the first Initial ACK sent by the server so it can be bundled with the server's first Initial packet.
2020-10-22 nharper Always enable session tickets in IETF QUIC
2020-10-22 fayang Shorten PTO when a HANDSHAKE or 1-RTT packet is received prior to the INITIAL. Client only.
2020-10-22 quiche-dev Rename SpdyHeaderBlock to Http2HeaderBlock.

Created with:
  roll-dep src/net/third_party/quiche/src src/third_party/quic_trace/src

Change-Id: I5fcc90640f95e2f59448feddd472fbd80637a266
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2493252
Commit-Queue: Bence Béky <bnc@chromium.org>
Commit-Queue: Renjie Tang <renjietang@chromium.org>
Reviewed-by: Renjie Tang <renjietang@chromium.org>
Cr-Commit-Position: refs/heads/master@{#820412}

DEPS

@@ -333,7 +333,7 @@ vars = {
   # Three lines of non-changing comments so that
   # the commit queue can handle CLs rolling feed
   # and whatever else without interference from each other.
-  'quiche_revision': '37c5f8fa5ffc46c034a791c1c66feb5f9c143618',
+  'quiche_revision': '867ef5f637870dd6d93699ff955f64d9499bd8ba',
   # Three lines of non-changing comments so that
   # the commit queue can handle CLs rolling ios_webkit
   # and whatever else without interference from each other.

net/quic/quic_flags_list.h

@@ -524,3 +524,15 @@ QUIC_FLAG(
 QUIC_FLAG(bool,
           FLAGS_quic_reloadable_flag_quic_granular_qpack_error_codes,
           false)
+
+// When true, the server delays its Initial ACK-only packets the full
+// max_ack_delay.
+QUIC_FLAG(bool, FLAGS_quic_reloadable_flag_quic_delay_initial_ack, false)
+
+// If true, session tickets will always be enabled in QUIC.
+QUIC_FLAG(bool,
+          FLAGS_quic_restart_flag_quic_session_tickets_always_enabled,
+          false)
+
+// If true, QUIC client with TLS will not try 0-RTT.
+QUIC_FLAG(bool, FLAGS_quic_disable_client_tls_zero_rtt, false)

net/quic/quic_stream_factory.cc

@@ -1117,7 +1117,7 @@ QuicStreamFactory::QuicStreamFactory(
   DCHECK(transport_security_state_);
   DCHECK(http_server_properties_);
   if (params_.disable_tls_zero_rtt)
-    SetQuicRestartFlag(quic_enable_zero_rtt_for_tls_v2, false);
+    SetQuicFlag(FLAGS_quic_disable_client_tls_zero_rtt, true);
   InitializeMigrationOptions();
 }