Propagate packet pacing information to SendTimeHistory.

webrtc/modules/congestion_controller/delay_based_bwe.cc

Index: webrtc/modules/congestion_controller/delay_based_bwe.cc
diff --git a/webrtc/modules/congestion_controller/delay_based_bwe.cc b/webrtc/modules/congestion_controller/delay_based_bwe.cc
index 71fefac26f5cb50b24407e7179f118f4b8ddb5be..1cba9e6aa17ea5e7116a023cf3de97ecde3989ed 100644
--- a/webrtc/modules/congestion_controller/delay_based_bwe.cc
+++ b/webrtc/modules/congestion_controller/delay_based_bwe.cc
@@ -361,7 +361,7 @@ DelayBasedBwe::Result DelayBasedBwe::IncomingPacketInfo(
   }
 
   int probing_bps = 0;
-  if (info.probe_cluster_id != PacedPacketInfo::kNotAProbe) {
+  if (info.pacing_info.probe_cluster_id != PacedPacketInfo::kNotAProbe) {
     probing_bps = probe_bitrate_estimator_.HandleProbeAndEstimateBitrate(info);
   }
   rtc::Optional<uint32_t> acked_bitrate_bps =