Remove QuicSentPacketManager::DebugVisitor's OnSentPacket, since it's

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 8d49010c9e62e974be26fca7aac2e9b5df607537..72529900f9b2de6446354a6308a910f028dd4f89 100644
--- a/net/quic/quic_connection.cc
+++ b/net/quic/quic_connection.cc
@@ -1408,15 +1408,6 @@ bool QuicConnection::WritePacketInner(QueuedPacket* packet) {
   if (result.error_code == ERR_IO_PENDING) {
     DCHECK_EQ(WRITE_STATUS_BLOCKED, result.status);
   }
-  if (debug_visitor_.get() != nullptr) {
-    // Pass the write result to the visitor.
-    debug_visitor_->OnPacketSent(sequence_number,
-                                 packet->original_sequence_number,
-                                 packet->encryption_level,
-                                 packet->transmission_type,
-                                 *encrypted,
-                                 result);
-  }
 
   if (result.status == WRITE_STATUS_BLOCKED) {
     visitor_->OnWriteBlocked();
@@ -1429,6 +1420,15 @@ bool QuicConnection::WritePacketInner(QueuedPacket* packet) {
     }
   }
   QuicTime now = clock_->Now();
+  if (result.status != WRITE_STATUS_ERROR && debug_visitor_.get() != nullptr) {
+    // Pass the write result to the visitor.
+    debug_visitor_->OnPacketSent(packet->serialized_packet,
+                                 packet->original_sequence_number,
+                                 packet->encryption_level,
+                                 packet->transmission_type,
+                                 *encrypted,
+                                 now);
+  }
   if (packet->transmission_type == NOT_RETRANSMISSION) {
     time_of_last_sent_new_packet_ = now;
   }