Revert 138216 - [Sync] Turn notifier::PushClient into an interface

jingle/notifier/listener/xmpp_push_client.h

Index: jingle/notifier/listener/xmpp_push_client.h
===================================================================
--- jingle/notifier/listener/xmpp_push_client.h	(revision 138220)
+++ jingle/notifier/listener/xmpp_push_client.h	(working copy)
@@ -1,87 +0,0 @@
-// 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 JINGLE_NOTIFIER_LISTENER_XMPP_PUSH_CLIENT_H_
-#define JINGLE_NOTIFIER_LISTENER_XMPP_PUSH_CLIENT_H_
-
-#include <string>
-#include <vector>
-
-#include "base/basictypes.h"
-#include "base/compiler_specific.h"
-#include "base/memory/scoped_ptr.h"
-#include "base/memory/ref_counted.h"
-#include "base/memory/weak_ptr.h"
-#include "base/observer_list.h"
-#include "base/threading/non_thread_safe.h"
-#include "jingle/notifier/base/notifier_options.h"
-#include "jingle/notifier/communicator/login.h"
-#include "jingle/notifier/listener/notification_defines.h"
-#include "jingle/notifier/listener/push_client.h"
-#include "jingle/notifier/listener/push_notifications_listen_task.h"
-#include "jingle/notifier/listener/push_notifications_subscribe_task.h"
-#include "talk/xmpp/xmppclientsettings.h"
-
-namespace buzz {
-class XmppTaskParentInterface;
-}  // namespace buzz
-
-namespace notifier {
-
-// This class implements a client for the XMPP google:push protocol.
-//
-// This class must be used on a single thread.
-class XmppPushClient :
-      public PushClient,
-      public LoginDelegate,
-      public PushNotificationsListenTaskDelegate,
-      public PushNotificationsSubscribeTaskDelegate {
- public:
-  explicit XmppPushClient(const NotifierOptions& notifier_options);
-  virtual ~XmppPushClient();
-
-  // PushClient implementation.
-  virtual void AddObserver(PushClientObserver* observer) OVERRIDE;
-  virtual void RemoveObserver(PushClientObserver* observer) OVERRIDE;
-  virtual void UpdateSubscriptions(
-      const SubscriptionList& subscriptions) OVERRIDE;
-  virtual void UpdateCredentials(
-      const std::string& email, const std::string& token) OVERRIDE;
-  virtual void SendNotification(const Notification& notification) OVERRIDE;
-
-  // Login::Delegate implementation.
-  virtual void OnConnect(
-      base::WeakPtr<buzz::XmppTaskParentInterface> base_task) OVERRIDE;
-  virtual void OnDisconnect() OVERRIDE;
-
-  // PushNotificationsListenTaskDelegate implementation.
-  virtual void OnNotificationReceived(
-      const Notification& notification) OVERRIDE;
-
-  // PushNotificationsSubscribeTaskDelegate implementation.
-  virtual void OnSubscribed() OVERRIDE;
-  virtual void OnSubscriptionError() OVERRIDE;
-
- private:
-  base::NonThreadSafe non_thread_safe_;
-  const NotifierOptions notifier_options_;
-  ObserverList<PushClientObserver> observers_;
-
-  // XMPP connection settings.
-  SubscriptionList subscriptions_;
-  buzz::XmppClientSettings xmpp_settings_;
-
-  scoped_ptr<notifier::Login> login_;
-
-  // The XMPP connection.
-  base::WeakPtr<buzz::XmppTaskParentInterface> base_task_;
-
-  std::vector<Notification> pending_notifications_to_send_;
-
-  DISALLOW_COPY_AND_ASSIGN(XmppPushClient);
-};
-
-}  // namespace notifier
-
-#endif  // JINGLE_NOTIFIER_LISTENER_XMPP_PUSH_CLIENT_H_