ProbingEstimator: Erase history based on time threshold

webrtc/modules/congestion_controller/probe_bitrate_estimator_unittest.cc

Index: webrtc/modules/congestion_controller/probe_bitrate_estimator_unittest.cc
diff --git a/webrtc/modules/congestion_controller/probe_bitrate_estimator_unittest.cc b/webrtc/modules/congestion_controller/probe_bitrate_estimator_unittest.cc
index e3bbd5a22793e2d8a73c0a277ae02f9fc036acb9..2d82d2ba36c8cf2b265dbfc1e2a1a9a91e091dde 100644
--- a/webrtc/modules/congestion_controller/probe_bitrate_estimator_unittest.cc
+++ b/webrtc/modules/congestion_controller/probe_bitrate_estimator_unittest.cc
@@ -29,9 +29,9 @@ class TestProbeBitrateEstimator : public ::testing::Test {
                          int64_t arrival_time_ms) {
     PacketInfo info(arrival_time_ms, send_time_ms, 0, size_bytes,
                     probe_cluster_id);
-    ProbingResult res = probe_bitrate_estimator_.PacketFeedback(info);
-    if (res.valid())
-      results_.emplace_back(res.bps, res.timestamp);
+    int bps = probe_bitrate_estimator_.HandleProbeAndEstimateBitrate(info, 1);
+    if (bps > 0)
+      results_.emplace_back(bps, info.arrival_time_ms);
   }
 
   void CheckResult(size_t index, int bps, int max_diff, int64_t timestamp) {