Changing echo_path_size_bytes() to static, and using size_t rather than int. This is recommended by Chromium: http://www.chromium.org/developers/coding-style Fixing a few compile warnings. Review URL: http://webrtc-codereview.appspot.com/81001 git-svn-id: http://webrtc.googlecode.com/svn/trunk@228 4adac7df-926f-26a2-2b94-8c16560cd09d