Add IssueAuthToken support to the TokenService.

chrome/test/test_notification_tracker.h

Index: chrome/test/test_notification_tracker.h
diff --git a/chrome/test/test_notification_tracker.h b/chrome/test/test_notification_tracker.h
index 2307b4b95199aad4eab25a8708f66f6537c8b290..fbd2f9b243de162b4a6c41430ce59e23a87b7e64 100644
--- a/chrome/test/test_notification_tracker.h
+++ b/chrome/test/test_notification_tracker.h
@@ -63,11 +63,11 @@ class TestNotificationTracker : public NotificationObserver {
   // be in [0, size).
   const Event& at(size_t i) const { return events_[i]; }
 
- private:
+ protected:
   virtual void Observe(NotificationType type,
                        const NotificationSource& source,
                        const NotificationDetails& details);
-
+ private:
   NotificationRegistrar registrar_;
 
   // Lists all received since last cleared, in the order they were received.