Record the last packet send time before we start sending the packet

net/quic/quic_connection.h

Index: net/quic/quic_connection.h
diff --git a/net/quic/quic_connection.h b/net/quic/quic_connection.h
index 96f5cbcd75343f1589aedad760838532acdae5aa..ecb2ca09e34dea346fd4478f7ad76a81d41a6651 100644
--- a/net/quic/quic_connection.h
+++ b/net/quic/quic_connection.h
@@ -783,8 +783,8 @@ class NET_EXPORT_PRIVATE QuicConnection
   // This is used for timeouts, and does not indicate the packet was processed.
   QuicTime time_of_last_received_packet_;
 
-  // The last time a new (non-retransmitted) packet was sent for this
-  // connection.
+  // The last time this connection began sending a new (non-retransmitted)
+  // packet.
   QuicTime time_of_last_sent_new_packet_;
 
   // Sequence number of the last sent packet.  Packets are guaranteed to be sent