Landing Recent QUIC changes until Mon Apr 17 2017

net/quic/core/quic_flags_list.h

Index: net/quic/core/quic_flags_list.h
diff --git a/net/quic/core/quic_flags_list.h b/net/quic/core/quic_flags_list.h
index 087ec25b412b2a6310d5c68077f337d40f76cde7..e59f187b9a26f0a6411fd2a69e16d5d38974617b 100644
--- a/net/quic/core/quic_flags_list.h
+++ b/net/quic/core/quic_flags_list.h
@@ -62,9 +62,6 @@ QUIC_FLAG(bool,
           FLAGS_quic_reloadable_flag_quic_respect_http2_settings_frame,
           true)
 
-// If true, re-enables QUIC_VERSION_36.
-QUIC_FLAG(bool, FLAGS_quic_reloadable_flag_quic_enable_version_36_v3, true)
-
 // If true, only open limited number of quic sessions per epoll event. Leave the
 // rest to next event.
 QUIC_FLAG(bool,
@@ -119,19 +116,9 @@ QUIC_FLAG(bool,
           FLAGS_quic_reloadable_flag_quic_fix_cubic_bytes_quantization,
           false)
 
-// If true, Makes GFE respect the connection options for initial flow control
-// window larger than 32 KB.
-QUIC_FLAG(bool, FLAGS_quic_reloadable_flag_quic_large_ifw_options, true)
-
 // If true, fix Cubic\'s use of kBetaLastMax for n-connection emulation.
 QUIC_FLAG(bool, FLAGS_quic_reloadable_flag_quic_fix_beta_last_max, false)
 
-// If true, enable QUIC v37.
-QUIC_FLAG(bool, FLAGS_quic_reloadable_flag_quic_enable_version_37, true)
-
-// If true, disables QUIC v34.
-QUIC_FLAG(bool, FLAGS_quic_reloadable_flag_quic_disable_version_34, true)
-
 // If greater than zero, mean RTT variation is multiplied by the specified
 // factor and added to the congestion window limit.
 QUIC_FLAG(double, FLAGS_quic_bbr_rtt_variation_weight, 0.0f)
@@ -146,7 +133,7 @@ QUIC_FLAG(bool,
 
 // If true, allows the 1RTT and 2RTT connection options to reduce the time
 // in BBR STARTUP to 1 or 2 RTTs with no bandwidth increase from 3.
-QUIC_FLAG(bool, FLAGS_quic_reloadable_flag_quic_allow_2_rtt_bbr_startup, false)
+QUIC_FLAG(bool, FLAGS_quic_reloadable_flag_quic_allow_2_rtt_bbr_startup, true)
 
 // If true, do not send or process stop waiting frames in QUIC if the NSTP
 // connection option is provided.
@@ -155,9 +142,6 @@ QUIC_FLAG(bool, FLAGS_quic_reloadable_flag_quic_no_stop_waiting_frames, false)
 // Allows one self address change.
 QUIC_FLAG(bool, FLAGS_quic_reloadable_flag_quic_allow_one_address_change, false)
 
-// If true, no longer send or process the SRBF value in QuicConfig.
-QUIC_FLAG(bool, FLAGS_quic_reloadable_flag_quic_no_socket_receive_buffer, false)
-
 // If true, multipath bit is not used in public flag.
 QUIC_FLAG(bool, FLAGS_quic_reloadable_flag_quic_remove_multipath_bit, false)
 
@@ -167,10 +151,6 @@ QUIC_FLAG(bool,
           FLAGS_quic_reloadable_flag_quic_flow_control_faster_autotune,
           true)
 
-// Only consider using the ack spacing in QUIC BBR if 2 packets are acked at
-// once.
-QUIC_FLAG(bool, FLAGS_quic_reloadable_flag_quic_bbr_ack_spacing2, false)
-
 // If true, QUIC BBR stores a max filtered number of bytes delivered at a rate
 // faster than the sending rate.
 QUIC_FLAG(bool,
@@ -189,10 +169,6 @@ QUIC_FLAG(bool, FLAGS_quic_reloadable_flag_quic_bbr_bandwidth_resumption, false)
 // Add the equivalent number of bytes as 3 TCP TSO segments to QUIC's BBR CWND.
 QUIC_FLAG(bool, FLAGS_quic_reloadable_flag_quic_bbr_add_tso_cwnd, false)
 
-// Fix a crash that occurs when a client sends multiple CHLOs close together on
-// the same connection.
-QUIC_FLAG(bool, FLAGS_quic_reloadable_flag_fix_quic_callback_crash, true)
-
 // If true, enable version 38 which supports new PADDING frame and respects NSTP
 // connection option.
 QUIC_FLAG(bool, FLAGS_quic_reloadable_flag_quic_enable_version_38, true)
@@ -215,3 +191,16 @@ QUIC_FLAG(bool,
 // Simplify QUIC\'s adaptive time loss detection to measure the necessary
 // reordering window for every spurious retransmit.
 QUIC_FLAG(bool, FLAGS_quic_reloadable_flag_quic_fix_adaptive_time_loss, false)
+
+// In QUIC BBR, keep sending at the max bandwidth observed in the previous 2
+// RTTs for another SRTT.
+QUIC_FLAG(bool,
+          FLAGS_quic_reloadable_flag_quic_bbr_keep_sending_at_recent_rate,
+          false)
+
+// Base CWND on SRTT instead of min_rtt for QUIC BBR.
+QUIC_FLAG(bool, FLAGS_quic_reloadable_flag_quic_bbr_base_cwnd_on_srtt, false)
+
+// If true, enable random padding of size [1, 256] when response body is
+// compressed for QUIC version >= 38.
+QUIC_FLAG(bool, FLAGS_quic_reloadable_flag_quic_enable_random_padding, false)