[Sync] Propagate XMPP auth errors to SyncNotifierObservers

sync/notifier/push_client_channel.h

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef SYNC_NOTIFIER_PUSH_CLIENT_CHANNEL_H_
 #define SYNC_NOTIFIER_PUSH_CLIENT_CHANNEL_H_
 #pragma once
 
 #include <string>
 #include <vector>
 
 #include "base/basictypes.h"
 #include "base/compiler_specific.h"
 #include "base/memory/scoped_ptr.h"
 #include "google/cacheinvalidation/include/system-resources.h"
 #include "jingle/notifier/listener/push_client_observer.h"
 
 namespace notifier {
 class PushClient;
 }  // namespace notifier
 
 namespace sync_notifier {
 
 // A PushClientChannel is an implementation of NetworkChannel that
 // routes messages through a PushClient.
 class PushClientChannel
     : public invalidation::NetworkChannel,
       public notifier::PushClientObserver {
  public:
+  // |push_client| is guaranteed to be destroyed only when this object
+  // is destroyed.
   explicit PushClientChannel(scoped_ptr<notifier::PushClient> push_client);
 
   virtual ~PushClientChannel();
 
   // If not connected, connects with the given credentials.  If
   // already connected, the next connection attempt will use the given
   // credentials.
   void UpdateCredentials(const std::string& email, const std::string& token);
 
   // invalidation::NetworkChannel implementation.
   virtual void SendMessage(const std::string& outgoing_message) OVERRIDE;
   virtual void SetMessageReceiver(
       invalidation::MessageCallback* incoming_receiver) OVERRIDE;
   virtual void AddNetworkStatusReceiver(
       invalidation::NetworkStatusCallback* network_status_receiver) OVERRIDE;
   virtual void SetSystemResources(
       invalidation::SystemResources* resources) OVERRIDE;
 
   // notifier::PushClient::Observer implementation.
-  virtual void OnNotificationStateChange(bool notifications_enabled) OVERRIDE;
+  virtual void OnNotificationsEnabled() OVERRIDE;
+  virtual void OnNotificationsDisabled(
+      notifier::NotificationsDisabledReason reason) OVERRIDE;
   virtual void OnIncomingNotification(
       const notifier::Notification& notification) OVERRIDE;
 
   const std::string& GetServiceContextForTest() const;
 
   int64 GetSchedulingHashForTest() const;
 
   static notifier::Notification EncodeMessageForTest(
       const std::string& message,
       const std::string& service_context,
@@ skipping 31 matching lines @@
 
   // Scheduling hash.
   int64 scheduling_hash_;
 
   DISALLOW_COPY_AND_ASSIGN(PushClientChannel);
 };
 
 }  // namespace sync_notifier
 
 #endif  // SYNC_NOTIFIER_PUSH_CLIENT_CHANNEL_H_