Move all components/offline_pages/ files into component/offline_pages/core

components/offline_pages/background/cleanup_task_factory.h

-// Copyright 2016 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 COMPONENTS_OFFLINE_PAGES_BACKGROUND_CLEANUP_TASK_FACTORY_H_
-#define COMPONENTS_OFFLINE_PAGES_BACKGROUND_CLEANUP_TASK_FACTORY_H_
-
-#include <stdint.h>
-
-#include <set>
-
-#include "components/offline_pages/background/cleanup_task.h"
-
-namespace offline_pages {
-
-class OfflinerPolicy;
-class RequestCoordinatorEventLogger;
-class RequestNotifier;
-class RequestQueueStore;
-
-class CleanupTaskFactory {
- public:
-  CleanupTaskFactory(OfflinerPolicy* policy,
-                     RequestNotifier* notifier,
-                     RequestCoordinatorEventLogger* event_logger);
-
-  ~CleanupTaskFactory();
-
-  std::unique_ptr<CleanupTask> CreateCleanupTask(RequestQueueStore* store);
-
- private:
-  // Unowned pointer to the Policy
-  OfflinerPolicy* policy_;
-  // Unowned pointer to the notifier
-  RequestNotifier* notifier_;
-  // Unowned pointer to the EventLogger
-  RequestCoordinatorEventLogger* event_logger_;
-};
-
-}  // namespace offline_pages
-
-#endif  // COMPONENTS_OFFLINE_PAGES_BACKGROUND_CLEANUP_TASK_FACTORY_H_