Let QUIC_VERSION_38 support IETF PADDING frame (1 byte frame with type 0x00) and respect NSTP conne…

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 3924bc839a175c8c7744d4364043eae9aa415ff1..312522aa01ba1a418e23e78744a7a8ea1c19b859 100644
--- a/net/quic/core/quic_flags_list.h
+++ b/net/quic/core/quic_flags_list.h
@@ -132,9 +132,6 @@ 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 true, enable quic version 38
-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, true)
@@ -203,3 +200,7 @@ 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, false)