Expose packet loss counts from QUIC to NetworkQualityEstimator

net/quic/quic_connection_logger.h

Index: net/quic/quic_connection_logger.h
diff --git a/net/quic/quic_connection_logger.h b/net/quic/quic_connection_logger.h
index 6d414905f9e4598549961ee8e417dffb22c373c6..e55c0fc80f202baff1b0d5af9348d814da84ff63 100644
--- a/net/quic/quic_connection_logger.h
+++ b/net/quic/quic_connection_logger.h
@@ -122,6 +122,13 @@ class NET_EXPORT_PRIVATE QuicConnectionLogger
   // histograms for specific connection types.
   void RecordLossHistograms() const;
 
+  // Reports the counts of the packets received on the uplink (remote endpoint
+  // to this device) to the |socket_performance_watcher_|. Called everytime a
+  // packet is received. |previous_largest_received_packet_number| is the value
+  // of |largest_received_packet_number_| before the packet was received.
+  void ReportPacketCounts(
+      QuicPacketCount previous_largest_received_packet_number) const;
+
   BoundNetLog net_log_;
   QuicSpdySession* session_;  // Unowned.
   // The last packet number received.