The problem was introduced in 3712, no need to external transport in real test app, revert the change. TBR=pwestin@webrtc.org BUG=1539 Review URL: https://webrtc-codereview.appspot.com/1266005 git-svn-id: http://webrtc.googlecode.com/svn/trunk@3735 4adac7df-926f-26a2-2b94-8c16560cd09d