| Index: webrtc/modules/remote_bitrate_estimator/remote_estimator_proxy.cc
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| diff --git a/webrtc/modules/remote_bitrate_estimator/remote_estimator_proxy.cc b/webrtc/modules/remote_bitrate_estimator/remote_estimator_proxy.cc
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| index 73b7b15fa4af45179ab9ac2c9a06d3932c679582..de4aec0a7791f854afd838b4100f43b8fee9552d 100644
 | 
| --- a/webrtc/modules/remote_bitrate_estimator/remote_estimator_proxy.cc
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| +++ b/webrtc/modules/remote_bitrate_estimator/remote_estimator_proxy.cc
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| @@ -45,7 +45,11 @@ void RemoteEstimatorProxy::IncomingPacket(int64_t arrival_time_ms,
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|                                            size_t payload_size,
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|                                            const RTPHeader& header,
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|                                            bool was_paced) {
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| -  RTC_DCHECK(header.extension.hasTransportSequenceNumber);
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| +  if (!header.extension.hasTransportSequenceNumber) {
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| +    LOG(LS_WARNING) << "RemoteEstimatorProxy: Incoming packet "
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| +                       "is missing the transport sequence number extension!";
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| +    return;
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| +  }
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|    rtc::CritScope cs(&lock_);
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|    media_ssrc_ = header.ssrc;
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|    OnPacketArrival(header.extension.transportSequenceNumber, arrival_time_ms);
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| 
 |