| Index: webrtc/video/video_send_stream.cc
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| diff --git a/webrtc/video/video_send_stream.cc b/webrtc/video/video_send_stream.cc
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| index 964475fd388e30288b82ac5bcf667b5c8274b13a..331f009287372b57d82df42b7ded1c3497334664 100644
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| --- a/webrtc/video/video_send_stream.cc
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| +++ b/webrtc/video/video_send_stream.cc
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| @@ -748,6 +748,9 @@ VideoSendStreamImpl::VideoSendStreamImpl(
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|    RTC_DCHECK(congestion_controller_);
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|    RTC_DCHECK(remb_);
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|  
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| +  congestion_controller_->EnablePeriodicAlrProbing(
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| +      config_->periodic_alr_bandwidth_probing);
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| +
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|    // RTP/RTCP initialization.
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|    for (RtpRtcp* rtp_rtcp : rtp_rtcp_modules_) {
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|      congestion_controller_->packet_router()->AddRtpModule(rtp_rtcp);
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| 
 |