Make overuse estimator one dimensional.

webrtc/modules/remote_bitrate_estimator/remote_bitrate_estimator_single_stream.cc

Index: webrtc/modules/remote_bitrate_estimator/remote_bitrate_estimator_single_stream.cc
diff --git a/webrtc/modules/remote_bitrate_estimator/remote_bitrate_estimator_single_stream.cc b/webrtc/modules/remote_bitrate_estimator/remote_bitrate_estimator_single_stream.cc
index f1a1cb66020620fc59ec987791c29824e14abafb..29115b94bb5fd5ae73ad7f33577102030122ec3f 100644
--- a/webrtc/modules/remote_bitrate_estimator/remote_bitrate_estimator_single_stream.cc
+++ b/webrtc/modules/remote_bitrate_estimator/remote_bitrate_estimator_single_stream.cc
@@ -28,14 +28,13 @@ enum { kTimestampGroupLengthMs = 5 };
 static const double kTimestampToMs = 1.0 / 90.0;
 
 struct RemoteBitrateEstimatorSingleStream::Detector {
-    explicit Detector(int64_t last_packet_time_ms,
-                      const OverUseDetectorOptions& options,
-                      bool enable_burst_grouping)
-        : last_packet_time_ms(last_packet_time_ms),
-          inter_arrival(90 * kTimestampGroupLengthMs, kTimestampToMs,
-                        enable_burst_grouping),
-          estimator(options),
-          detector(options) {}
+  explicit Detector(int64_t last_packet_time_ms, bool enable_burst_grouping)
+      : last_packet_time_ms(last_packet_time_ms),
+        inter_arrival(90 * kTimestampGroupLengthMs,
+                      kTimestampToMs,
+                      enable_burst_grouping),
+        estimator(),
+        detector() {}
     int64_t last_packet_time_ms;
     InterArrival inter_arrival;
     OveruseEstimator estimator;
@@ -82,8 +81,8 @@ void RemoteBitrateEstimatorSingleStream::IncomingPacket(int64_t arrival_time_ms,
     // automatically cleaned up when we have one RemoteBitrateEstimator per REMB
     // group.
     std::pair<SsrcOveruseEstimatorMap::iterator, bool> insert_result =
-        overuse_detectors_.insert(std::make_pair(
-            ssrc, new Detector(now_ms, OverUseDetectorOptions(), true)));
+        overuse_detectors_.insert(
+            std::make_pair(ssrc, new Detector(now_ms, true)));
     it = insert_result.first;
   }
   Detector* estimator = it->second;
@@ -92,12 +91,10 @@ void RemoteBitrateEstimatorSingleStream::IncomingPacket(int64_t arrival_time_ms,
   const BandwidthUsage prior_state = estimator->detector.State();
   uint32_t timestamp_delta = 0;
   int64_t time_delta = 0;
-  int size_delta = 0;
   if (estimator->inter_arrival.ComputeDeltas(rtp_timestamp, arrival_time_ms,
-                                             payload_size, &timestamp_delta,
-                                             &time_delta, &size_delta)) {
+                                             &timestamp_delta, &time_delta)) {
     double timestamp_delta_ms = timestamp_delta * kTimestampToMs;
-    estimator->estimator.Update(time_delta, timestamp_delta_ms, size_delta,
+    estimator->estimator.Update(time_delta, timestamp_delta_ms,
                                 estimator->detector.State());
     estimator->detector.Detect(estimator->estimator.offset(),
                                timestamp_delta_ms,