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

components/offline_pages/background/remove_requests_task.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_REMOVE_REQUESTS_TASK_H_
-#define COMPONENTS_OFFLINE_PAGES_BACKGROUND_REMOVE_REQUESTS_TASK_H_
-
-#include <stdint.h>
-
-#include <memory>
-#include <vector>
-
-#include "base/memory/weak_ptr.h"
-#include "components/offline_pages/background/request_queue_store.h"
-#include "components/offline_pages/background/save_page_request.h"
-#include "components/offline_pages/core/task.h"
-
-namespace offline_pages {
-
-class RemoveRequestsTask : public Task {
- public:
-  RemoveRequestsTask(RequestQueueStore* store,
-                     const std::vector<int64_t>& request_ids,
-                     const RequestQueueStore::UpdateCallback& callback);
-  ~RemoveRequestsTask() override;
-
-  // TaskQueue::Task implementation.
-  void Run() override;
-
- private:
-  // Step 1. Removes requests from the store.
-  void RemoveRequests();
-  // Step for early termination, that builds failure result.
-  void CompleteEarly(ItemActionStatus status);
-  // Step 2. Processes update result, calls callback.
-  void CompleteWithResult(std::unique_ptr<UpdateRequestsResult> result);
-
-  // Store that this task updates.
-  RequestQueueStore* store_;
-  // Request IDs to be updated.
-  // TODO(fgorski): perhaps convert to unique_ptr to a vector.
-  std::vector<int64_t> request_ids_;
-  // Callback to complete the task.
-  RequestQueueStore::UpdateCallback callback_;
-
-  base::WeakPtrFactory<RemoveRequestsTask> weak_ptr_factory_;
-
-  DISALLOW_COPY_AND_ASSIGN(RemoveRequestsTask);
-};
-
-}  // namespace offline_pages
-
-#endif  // COMPONENTS_OFFLINE_PAGES_BACKGROUND_REMOVE_REQUESTS_TASK_H_