relnote: Moving many QUIC DFATALS over to QUIC_BUG

net/quic/quic_connection.cc

Index: net/quic/quic_connection.cc
diff --git a/net/quic/quic_connection.cc b/net/quic/quic_connection.cc
index 538964b54ea5bc87010f2c52353838f595097f40..1c058e3f4dbab132a84acd17fb43649d09a72994 100644
--- a/net/quic/quic_connection.cc
+++ b/net/quic/quic_connection.cc
@@ -26,6 +26,7 @@
 #include "net/quic/crypto/quic_encrypter.h"
 #include "net/quic/proto/cached_network_parameters.pb.h"
 #include "net/quic/quic_bandwidth.h"
+#include "net/quic/quic_bug_tracker.h"
 #include "net/quic/quic_config.h"
 #include "net/quic/quic_fec_group.h"
 #include "net/quic/quic_flags.h"
@@ -1118,7 +1119,7 @@ QuicConsumedData QuicConnection::SendStreamData(
     FecProtection fec_protection,
     QuicAckListenerInterface* listener) {
   if (!fin && iov.total_length == 0) {
-    LOG(DFATAL) << "Attempt to send empty stream frame";
+    QUIC_BUG << "Attempt to send empty stream frame";
     return QuicConsumedData(0, false);
   }