Allow to turn RtcpTransciever on and off at runtime.

Bug: webrtc:8239
Change-Id: I8678d1ee9cd0da194a1243d40b508bb62cb3f257
Reviewed-on: https://webrtc-review.googlesource.com/60180
Commit-Queue: Danil Chapovalov <danilchap@webrtc.org>
Reviewed-by: Niels Moller <nisse@webrtc.org>
Cr-Commit-Position: refs/heads/master@{#22311}
diff --git a/modules/rtp_rtcp/source/rtcp_transceiver.cc b/modules/rtp_rtcp/source/rtcp_transceiver.cc
index a937131..f8f7750 100644
--- a/modules/rtp_rtcp/source/rtcp_transceiver.cc
+++ b/modules/rtp_rtcp/source/rtcp_transceiver.cc
@@ -73,6 +73,14 @@
   task_queue_->PostTaskAndReply(std::move(remove), std::move(on_removed));
 }
 
+void RtcpTransceiver::SetReadyToSend(bool ready) {
+  rtc::WeakPtr<RtcpTransceiverImpl> ptr = ptr_;
+  task_queue_->PostTask([ptr, ready] {
+    if (ptr)
+      ptr->SetReadyToSend(ready);
+  });
+}
+
 void RtcpTransceiver::ReceivePacket(rtc::CopyOnWriteBuffer packet) {
   rtc::WeakPtr<RtcpTransceiverImpl> ptr = ptr_;
   int64_t now_us = rtc::TimeMicros();