1 files changed, 9 insertions, 0 deletions
diff --git a/chromium/third_party/blink/renderer/modules/peerconnection/rtc_peer_connection.cc b/chromium/third_party/blink/renderer/modules/peerconnection/rtc_peer_connection.cc
index a84a1980eaa..9f3885137c6 100644
--- a/chromium/third_party/blink/renderer/modules/peerconnection/rtc_peer_connection.cc
+++ b/chromium/third_party/blink/renderer/modules/peerconnection/rtc_peer_connection.cc
@@ -2883,6 +2883,15 @@ void RTCPeerConnection::DidModifyTransceivers(
     transceiver->receiver()->track()->Component()->Source()->SetReadyState(
         MediaStreamSource::kReadyStateLive);
   }
+
+  // Transceiver modifications can cause changes in the set of ICE
+  // transports, which may affect ICE transport state.
+  // Note - this must be done every time the set of ICE transports happens.
+  // At the moment this only happens in SLD/SRD, and this function is called
+  // whenever these functions complete.
+  if (sdp_semantics_ == webrtc::SdpSemantics::kUnifiedPlan) {
+    UpdateIceConnectionState();
+  }
 }
 
 void RTCPeerConnection::SetAssociatedMediaStreams(