The access token is now transferred between the request and track scripts.
Almost completed the implementation, using oauth2.
Initial, incomplete implementation of the permission-request script.
The coverage tracking is broken temporarily, but it can now make OAuth requests.
BUG=
TEST=
Review URL: https://webrtc-codereview.appspot.com/366002
git-svn-id: http://webrtc.googlecode.com/svn/trunk@1530 4adac7df-926f-26a2-2b94-8c16560cd09d
