Rename SyncNotifier->Invalidator and SyncNotifierObserver->InvalidationHandler.

sync/notifier/fake_sync_notifier_observer.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_FAKE_SYNC_NOTIFIER_OBSERVER_H_
-#define SYNC_NOTIFIER_FAKE_SYNC_NOTIFIER_OBSERVER_H_
-
-#include <string>
-
-#include "base/compiler_specific.h"
-#include "sync/notifier/sync_notifier_observer.h"
-
-namespace syncer {
-
-class FakeSyncNotifierObserver : public SyncNotifierObserver {
- public:
-  FakeSyncNotifierObserver();
-  virtual ~FakeSyncNotifierObserver();
-
-  NotificationsDisabledReason GetNotificationsDisabledReason() const;
-  const ObjectIdStateMap& GetLastNotificationIdStateMap() const;
-  IncomingNotificationSource GetLastNotificationSource() const;
-  int GetNotificationCount() const;
-
-  // SyncNotifierObserver implementation.
-  virtual void OnNotificationsEnabled() OVERRIDE;
-  virtual void OnNotificationsDisabled(
-      NotificationsDisabledReason reason) OVERRIDE;
-  virtual void OnIncomingNotification(
-      const ObjectIdStateMap& id_state_map,
-      IncomingNotificationSource source) OVERRIDE;
-
- private:
-  NotificationsDisabledReason reason_;
-  ObjectIdStateMap last_id_state_map_;
-  IncomingNotificationSource last_source_;
-  int notification_count_;
-};
-
-}  // namespace syncer
-
-#endif  // SYNC_NOTIFIER_FAKE_SYNC_NOTIFIER_OBSERVER_H_