Reset InterArrival if arrival time clock makes a jump.

webrtc/modules/remote_bitrate_estimator/remote_bitrate_estimator_abs_send_time.h

Index: webrtc/modules/remote_bitrate_estimator/remote_bitrate_estimator_abs_send_time.h
diff --git a/webrtc/modules/remote_bitrate_estimator/remote_bitrate_estimator_abs_send_time.h b/webrtc/modules/remote_bitrate_estimator/remote_bitrate_estimator_abs_send_time.h
index a1274d673d328a0851c8aae39fe0551c19c05a81..98305bd0a1d0ee3bec9828a00264605b01d0556a 100644
--- a/webrtc/modules/remote_bitrate_estimator/remote_bitrate_estimator_abs_send_time.h
+++ b/webrtc/modules/remote_bitrate_estimator/remote_bitrate_estimator_abs_send_time.h
@@ -68,7 +68,8 @@ struct Cluster {
 
 class RemoteBitrateEstimatorAbsSendTime : public RemoteBitrateEstimator {
  public:
-  explicit RemoteBitrateEstimatorAbsSendTime(RemoteBitrateObserver* observer);
+  RemoteBitrateEstimatorAbsSendTime(RemoteBitrateObserver* observer,
+                                    Clock* clock);
   virtual ~RemoteBitrateEstimatorAbsSendTime() {}
 
   void IncomingPacketFeedbackVector(
@@ -117,6 +118,7 @@ class RemoteBitrateEstimatorAbsSendTime : public RemoteBitrateEstimator {
   void TimeoutStreams(int64_t now_ms) EXCLUSIVE_LOCKS_REQUIRED(&crit_);
 
   rtc::ThreadChecker network_thread_;
+  Clock* const clock_;
   RemoteBitrateObserver* const observer_;
   std::unique_ptr<InterArrival> inter_arrival_;
   std::unique_ptr<OveruseEstimator> estimator_;