mozilla-services/android-sync — pull request #270 by ncalexan (2012-11-14 00:51:15+00:00)
Title: Bug 799729 - generalize base resource authentication

rnewman, this one's on you. I have additional code on top of this that uses the new `AuthHeaderProvider` concrete classes, so I'm confident the testing given is sufficient (even though it's not *live* testing).