a1f66611dc
This fix will ensure that attempts to send DTMF events before the channel is opened will return a failure rather than disappearing the event. Bug: webrtc:8908 Change-Id: I5044a0398dfd3dfe73b6ae1d48395e9809f81ad4 Reviewed-on: https://webrtc-review.googlesource.com/55480 Reviewed-by: Fredrik Solenberg <solenberg@webrtc.org> Commit-Queue: Harald Alvestrand <hta@webrtc.org> Cr-Commit-Position: refs/heads/master@{#22121}