Take care of unused variable. Review URL: http://webrtc-codereview.appspot.com/137013
Take care of unused variable.
Review URL: http://webrtc-codereview.appspot.com/137013

git-svn-id: 9b397c5dfe384c04b1b200d5305b653241000171@499 4adac7df-926f-26a2-2b94-8c16560cd09d

lukeweber/webrtc-src-override,lukeweber/webrtc-src-override,lukeweber/webrtc-src-override,lukeweber/webrtc-src-override,lukeweber/webrtc-src-override,lukeweber/webrtc-src-override,lukeweber/webrtc-src-override