Landing recent QUIC changes until 7:19 PM, Feb 26, 2016 UTC-5.

net/quic/quic_flags.cc

 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "net/quic/quic_flags.h"
 
 // When true, the use time based loss detection instead of nack.
 bool FLAGS_quic_use_time_loss_detection = false;
 
 // If true, it will return as soon as an error is detected while validating
 // CHLO.
 bool FLAGS_use_early_return_when_verifying_chlo = true;
 
-// If true, QUIC connections will support FEC protection of data while sending
-// packets, to reduce latency of data delivery to the application. The client
-// must also request FEC protection for the server to use FEC.
-bool FLAGS_enable_quic_fec = true;
-
 // When true, defaults to BBR congestion control instead of Cubic.
 bool FLAGS_quic_use_bbr_congestion_control = false;
 
 // If true, QUIC BBR congestion control may be enabled via Finch and/or via QUIC
 // connection options.
 bool FLAGS_quic_allow_bbr = false;
 
 // Time period for which a given connection_id should live in the time-wait
 // state.
 int64_t FLAGS_quic_time_wait_list_seconds = 200;
@@ skipping 35 matching lines @@
 // Net.QuicSession.HeadersHOLBlockedTime.
 bool FLAGS_quic_measure_headers_hol_blocking_time = true;
 
 // Disable QUIC's userspace pacing.
 bool FLAGS_quic_disable_pacing = false;
 
 // If true, QUIC connections will timeout when packets are not being recieved,
 // even if they are being sent.
 bool FLAGS_quic_use_new_idle_timeout = true;
 
-// If true, replace QuicFrameList with StreamSequencerBuffer as underlying data
-// structure for QuicStreamSequencer bufferring.
-bool FLAGS_quic_use_stream_sequencer_buffer = true;
-
 // If true, don't send QUIC packets if the send alarm is set.
 bool FLAGS_quic_respect_send_alarm2 = true;
 
 // If true, allow each quic stream to write 16k blocks rather than doing a round
 // robin of one packet per session when ack clocked or paced.
 bool FLAGS_quic_batch_writes = true;
 
 // If true, QUIC sessions will write block streams that attempt to write
 // unencrypted data.
 bool FLAGS_quic_block_unencrypted_writes = true;
 
 // If true, Close the connection instead of writing unencrypted stream data.
 bool FLAGS_quic_never_write_unencrypted_data = true;
 
 // If true, clear the FEC group instead of sending it with ENCRYPTION_NONE.
 // Close the connection if we ever try to serialized unencrypted FEC.
 bool FLAGS_quic_no_unencrypted_fec = true;
 
 // If true, reject any incoming QUIC which does not have the FIXD tag.
 bool FLAGS_quic_require_fix = true;
 
-// If true, QUIC supports sending trailers from Server to Client.
-bool FLAGS_quic_supports_trailers = true;
-
 // If true, headers stream will support receiving PUSH_PROMISE frames.
 bool FLAGS_quic_supports_push_promise = false;
 
-// Enable counters for incoming/outgoing streams which are used as condition
-// check while creating a new stream.
-bool FLAGS_quic_distinguish_incoming_outgoing_streams = true;
-
 // If true, QUIC servers will attempt to validate a client's source
 // address token using the primary config, even if no server config id
 // is present in the client hello.
 bool FLAGS_quic_validate_stk_without_scid = true;
 
 // If true, QUIC will support RFC 7539 variants of ChaCha20 Poly1305.
 bool FLAGS_quic_use_rfc7539 = true;
 
 // If true, require QUIC connections to use a valid server nonce or a non-local
 // strike register.
@@ skipping 27 matching lines @@
 // If true, always log the cached network parameters, regardless of whether
 // bandwidth-resumption has been enabled.
 bool FLAGS_quic_log_received_parameters = true;
 
 // If true, QUIC will use newly refactored TCP sender code.
 bool FLAGS_quic_use_new_tcp_sender = true;
 
 // Saves the initial subkey secret in QUIC crypto when deriving keys from the
 // initial premaster secret.
 bool FLAGS_quic_save_initial_subkey_secret = true;
+
+// If true, the QUIC dispatcher will directly send version negotiation packets
+// without needing to create a QUIC session first.
+bool FLAGS_quic_stateless_version_negotiation = false;