Move PacedSender ownership to RtpTransportControllerSend.

webrtc/video/video_send_stream.cc

Index: webrtc/video/video_send_stream.cc
diff --git a/webrtc/video/video_send_stream.cc b/webrtc/video/video_send_stream.cc
index 3fc4976bc302e4bb39212f4966af6a2101ce35e4..cdaef09c329e0775606c89c3a887c755641d7d0c 100644
--- a/webrtc/video/video_send_stream.cc
+++ b/webrtc/video/video_send_stream.cc
@@ -838,10 +838,8 @@ VideoSendStreamImpl::VideoSendStreamImpl(
   }
   if (alr_settings) {
     transport->send_side_cc()->EnablePeriodicAlrProbing(true);
-    transport->send_side_cc()->pacer()->SetPacingFactor(
-        alr_settings->pacing_factor);
-    transport->send_side_cc()->pacer()->SetQueueTimeLimit(
-        alr_settings->max_paced_queue_time);
+    transport->pacer()->SetPacingFactor(alr_settings->pacing_factor);
+    transport->pacer()->SetQueueTimeLimit(alr_settings->max_paced_queue_time);
   }
 
   if (config_->periodic_alr_bandwidth_probing) {