4c277bb938
Attempts to get wireshark to decode the DTLS were problematic (wireshark only does it for certain versions of some DTLS implementations), so just do what firefox does and dump a txt2pcap-compatible log when requested. R=pthatcher@webrtc.org Review URL: https://webrtc-codereview.appspot.com/49159004 Cr-Commit-Position: refs/heads/master@{#9162}