Make use of InvalidationService

chrome/browser/sync/glue/dummy_invalidator.h

-// Copyright 2013 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 CHROME_BROWSER_SYNC_GLUE_DUMMY_INVALIDATOR_H_
-#define CHROME_BROWSER_SYNC_GLUE_DUMMY_INVALIDATOR_H_
-
-#include "sync/notifier/invalidator.h"
-
-// A fake invalidator that does nothing, and stays in a "transient" error state.
-// This is useful for cases where we know that invalidations won't work, but
-// still want to keep Sync running without them
-class DummyInvalidator : public syncer::Invalidator {
- public:
-  DummyInvalidator();
-  virtual ~DummyInvalidator();
-
-  virtual void RegisterHandler(syncer::InvalidationHandler* handler) OVERRIDE;
-  virtual void UpdateRegisteredIds(syncer::InvalidationHandler* handler,
-                                   const syncer::ObjectIdSet& ids) OVERRIDE;
-  virtual void UnregisterHandler(syncer::InvalidationHandler* handler) OVERRIDE;
-  virtual void Acknowledge(const invalidation::ObjectId& id,
-                           const syncer::AckHandle& ack_handle) OVERRIDE;
-  virtual syncer::InvalidatorState GetInvalidatorState() const OVERRIDE;
-  virtual void UpdateCredentials(
-      const std::string& email, const std::string& token) OVERRIDE;
-  virtual void SendInvalidation(
-      const syncer::ObjectIdInvalidationMap& invalidation_map) OVERRIDE;
-
- private:
-  DISALLOW_COPY_AND_ASSIGN(DummyInvalidator);
-};
-
-#endif  // CHROME_BROWSER_SYNC_GLUE_DUMMY_INVALIDATOR_H_