Use the CHLO packet size, not message size when determining how large a REJ can be. Protected by --…

net/quic/core/quic_flags.cc

Index: net/quic/core/quic_flags.cc
diff --git a/net/quic/core/quic_flags.cc b/net/quic/core/quic_flags.cc
index 5e0dd2c585a7d4b931d49fdc0d15c760a113e654..72591aea02bd1f63e7e192c6629a35316a322794 100644
--- a/net/quic/core/quic_flags.cc
+++ b/net/quic/core/quic_flags.cc
@@ -146,3 +146,7 @@ bool FLAGS_quic_limit_frame_gaps_in_buffer = false;
 // If true, v33 QUIC client uses 1 bit to specify 8-byte connection id in public
 // flag.
 bool FLAGS_quic_remove_v33_hacks = true;
+
+// If true, use the CHLO packet size, not message size when determining how
+// large a REJ can be.
+bool FLAGS_quic_use_chlo_packet_size = true;