When _codecDataBase.SetSendCodec() fails, the encoder may be deleted. This is however not reflected in _encoder, which then becomes a dangling pointer to the deleted object. BUG=2384 R=stefan@webrtc.org Review URL: https://webrtc-codereview.appspot.com/2229004 git-svn-id: http://webrtc.googlecode.com/svn/trunk@4765 4adac7df-926f-26a2-2b94-8c16560cd09d