Adding a simple fake network pipe to use for testing. Next CL will contain an external transport implementation using this link and I'll follow up later making this more advanced.

Review URL: https://webrtc-codereview.appspot.com/935032

git-svn-id: http://webrtc.googlecode.com/svn/trunk/webrtc@3259 4adac7df-926f-26a2-2b94-8c16560cd09d
4 files changed