In bwe test Collect receive statistic using GetReportBlocks collector

webrtc/modules/remote_bitrate_estimator/test/estimators/remb.h

Index: webrtc/modules/remote_bitrate_estimator/test/estimators/remb.h
diff --git a/webrtc/modules/remote_bitrate_estimator/test/estimators/remb.h b/webrtc/modules/remote_bitrate_estimator/test/estimators/remb.h
index 841f79e41907c1af37ebd0d2a4bac41acf182033..77086a761ee1e33e521dd2068978fbfa112d9f14 100644
--- a/webrtc/modules/remote_bitrate_estimator/test/estimators/remb.h
+++ b/webrtc/modules/remote_bitrate_estimator/test/estimators/remb.h
@@ -66,7 +66,6 @@ class RembReceiver : public BweReceiver, public RemoteBitrateObserver {
                                uint32_t bitrate) override;
 
  private:
-  static RTCPReportBlock BuildReportBlock(StreamStatistician* statistician);
   bool LatestEstimate(uint32_t* estimate_bps);
 
   std::string estimate_log_prefix_;