Video/Screenshare loopback tool.

webrtc/modules/congestion_controller/probe_controller.h

Index: webrtc/modules/congestion_controller/probe_controller.h
diff --git a/webrtc/modules/congestion_controller/probe_controller.h b/webrtc/modules/congestion_controller/probe_controller.h
index f47bdb0ca273f202dc826c5b3779a6ab6a539df5..9cccdec8a486c4fbaa2e0d0812149988674955ac 100644
--- a/webrtc/modules/congestion_controller/probe_controller.h
+++ b/webrtc/modules/congestion_controller/probe_controller.h
@@ -85,6 +85,8 @@ class ProbeController {
   int64_t mid_call_probing_bitrate_bps_ GUARDED_BY(&critsect_);
   int64_t mid_call_probing_succcess_threshold_ GUARDED_BY(&critsect_);
 
+  bool in_alr = false;
+
   RTC_DISALLOW_IMPLICIT_CONSTRUCTORS(ProbeController);
 };