[Sync] Propagate XMPP auth errors to SyncNotifierObservers

jingle/notifier/listener/fake_push_client_observer.h

Index: jingle/notifier/listener/fake_push_client_observer.h
diff --git a/jingle/notifier/listener/fake_push_client_observer.h b/jingle/notifier/listener/fake_push_client_observer.h
index b8ee6d6efedf0f56167b87a41a30a193f3f41878..75a390690b51512854799fb184347c2a545d4a3c 100644
--- a/jingle/notifier/listener/fake_push_client_observer.h
+++ b/jingle/notifier/listener/fake_push_client_observer.h
@@ -17,16 +17,16 @@ class FakePushClientObserver : public PushClientObserver {
   virtual ~FakePushClientObserver();
 
   // PushClientObserver implementation.
-  virtual void OnNotificationStateChange(
-      bool notifications_enabled) OVERRIDE;
+  virtual void OnPushClientStateChange(
+      PushClientState push_client_state) OVERRIDE;
   virtual void OnIncomingNotification(
       const Notification& notification) OVERRIDE;
 
-  bool notifications_enabled() const;
+  PushClientState push_client_state() const;
   const Notification& last_incoming_notification() const;
 
  private:
-  bool notifications_enabled_;
+  PushClientState push_client_state_;
   Notification last_incoming_notification_;
 };