Land Recent QUIC Changes.

net/quic/crypto/crypto_protocol.h

Index: net/quic/crypto/crypto_protocol.h
diff --git a/net/quic/crypto/crypto_protocol.h b/net/quic/crypto/crypto_protocol.h
index f791acbc8712e5fd74ecd881aeedf17477eb97a6..9f049618e7c461bbf87a5ec56c55e9da1c2a4dc9 100644
--- a/net/quic/crypto/crypto_protocol.h
+++ b/net/quic/crypto/crypto_protocol.h
@@ -81,8 +81,6 @@ const QuicTag kAEAD = TAG('A', 'E', 'A', 'D');   // Authenticated
 const QuicTag kCGST = TAG('C', 'G', 'S', 'T');   // Congestion control
                                                  // feedback types
 const QuicTag kCOPT = TAG('C', 'O', 'P', 'T');   // Connection options
-// kLOSS was 'L', 'O', 'S', 'S', but was changed from a tag vector to a tag.
-const QuicTag kLOSS = TAG('L', 'O', 'S', 'A');   // Loss detection algorithms
 const QuicTag kICSL = TAG('I', 'C', 'S', 'L');   // Idle connection state
                                                  // lifetime
 const QuicTag kKATO = TAG('K', 'A', 'T', 'O');   // Keepalive timeout