Flip recent QUIC flags.

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"
 
 // If true, it will return as soon as an error is detected while validating
 // CHLO.
 bool FLAGS_use_early_return_when_verifying_chlo = true;
 
@@ skipping 28 matching lines @@
 
 // If true, multipath is enabled for the connection.
 bool FLAGS_quic_enable_multipath = false;
 
 // If true, require handshake confirmation for QUIC connections, functionally
 // disabling 0-rtt handshakes.
 // TODO(rtenneti): Enable this flag after CryptoServerTest's are fixed.
 bool FLAGS_quic_require_handshake_confirmation = false;
 
 // If true, Cubic's epoch is shifted when the sender is application-limited.
-bool FLAGS_shift_quic_cubic_epoch_when_app_limited = false;
+bool FLAGS_shift_quic_cubic_epoch_when_app_limited = true;
 
 // If true, QUIC will measure head of line (HOL) blocking due between
 // streams due to packet losses on the headers stream.  The
 // measurements will be surfaced via UMA histogram
 // Net.QuicSession.HeadersHOLBlockedTime.
 bool FLAGS_quic_measure_headers_hol_blocking_time = true;
 
 // If true, disable pacing in QUIC.
 bool FLAGS_quic_disable_pacing_for_perf_tests = false;
 
@@ skipping 85 matching lines @@
 // connection.
 bool FLAGS_quic_use_cheap_stateless_rejects = false;
 
 // If true, treat timestamps from SO_TIMESTAMPING as QuicWallTimes rather
 // than QuicTimes.
 bool FLAGS_quic_socket_walltimestamps = false;
 
 // If true, default to immediate forward secure once established on the
 // server side, and the IPFS connection option disables this instead of
 // enabling it.
-bool FLAGS_quic_default_immediate_forward_secure = false;
+bool FLAGS_quic_default_immediate_forward_secure = true;
 
 // If true, QUIC respect HTTP2 SETTINGS frame rather than always close the
 // connection.
-bool FLAGS_quic_respect_http2_settings_frame = false;
+bool FLAGS_quic_respect_http2_settings_frame = true;
 
 // Do not use a QuicAckListener in order to confirm a larger Path MTU.
 bool FLAGS_quic_no_mtu_discovery_ack_listener = false;
 
 // Deprecate QuicPacketCreator::next_packet_number_length_ because it's no
 // longer necessary.
 bool FLAGS_quic_simple_packet_number_length = false;