GetTransportFeedbackVector() includes unreceived packets, sorted by seq-num

webrtc/modules/congestion_controller/delay_based_bwe.h

Index: webrtc/modules/congestion_controller/delay_based_bwe.h
diff --git a/webrtc/modules/congestion_controller/delay_based_bwe.h b/webrtc/modules/congestion_controller/delay_based_bwe.h
index c5f0f6182805bfa80c3e0dec2ee3d0b86b1c3a65..b9cb5f46be879106a9d48bc3b7f8f55b15234c25 100644
--- a/webrtc/modules/congestion_controller/delay_based_bwe.h
+++ b/webrtc/modules/congestion_controller/delay_based_bwe.h
@@ -89,6 +89,10 @@ class DelayBasedBwe {
                       int64_t now_ms,
                       rtc::Optional<uint32_t> acked_bitrate_bps,
                       uint32_t* target_bitrate_bps);
+
+  void SortPacketFeedbackVector(const std::vector<PacketFeedback>& input,
+                                std::vector<PacketFeedback>* output);
+
   const bool in_trendline_experiment_;
   const bool in_median_slope_experiment_;