Flags change for this week's merge. These flags were introduced this

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 8b39900a261d51b1a9fd71586c356a47909aba73..25b97cecdd7f9df602e71763d271662191f271c4 100644
--- a/net/quic/core/quic_flags_list.h
+++ b/net/quic/core/quic_flags_list.h
@@ -141,7 +141,7 @@ QUIC_FLAG(bool, FLAGS_quic_enable_version_38, false)
 
 // When true, ensures the session's flow control window is always at least 1.5x
 // larger than the largest stream flow control window.
-QUIC_FLAG(bool, FLAGS_quic_reloadable_flag_quic_flow_control_invariant, false)
+QUIC_FLAG(bool, FLAGS_quic_reloadable_flag_quic_flow_control_invariant, true)
 
 // If greater than zero, mean RTT variation is multiplied by the specified
 // factor and added to the congestion window limit.
@@ -167,7 +167,7 @@ QUIC_FLAG(bool, FLAGS_quic_reloadable_flag_quic_no_stop_waiting_frames, false)
 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, true)
+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, true)

[Ryan Hamilton, 2017/03/10 15:16:23]

It's surprising that these were true and are now false. Were they rolled back
internally, or were they explicitly set to true early in Chrome?

+QUIC_FLAG(bool, FLAGS_quic_reloadable_flag_quic_remove_multipath_bit, false)