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

components/offline_pages/offline_store_types.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_OFFLINE_STORE_TYPES_H_
-#define COMPONENTS_OFFLINE_PAGES_OFFLINE_STORE_TYPES_H_
-
-#include <stdint.h>
-
-#include <utility>
-#include <vector>
-
-// This file contains common types and callbacks used by storage of various
-// offline page related components.
-namespace offline_pages {
-
-// TODO(fgorski): This enum is meant to replace |LoadStatus|.
-// Current store state. When LOADED, the store is operational. When
-// loading or reset fails, it is reflected appropriately.
-enum class StoreState {
-  NOT_LOADED,      // Store is not loaded yet.
-  LOADED,          // Store is properly loaded and operational.
-  FAILED_LOADING,  // Store initialization failed.
-  FAILED_RESET,    // Resetting the store failed.
-};
-
-// Statuses referring to actions taken on items in the stores.
-// GENERATED_JAVA_ENUM_PACKAGE:org.chromium.components.offlinepages
-enum class ItemActionStatus {
-  SUCCESS,
-  ALREADY_EXISTS,
-  NOT_FOUND,
-  STORE_ERROR,
-};
-
-// List of item action statuses mapped to item ID.
-typedef std::vector<std::pair<int64_t, ItemActionStatus>> MultipleItemStatuses;
-
-// Collective result for store update.
-template <typename T>
-class StoreUpdateResult {
- public:
-  explicit StoreUpdateResult(StoreState state)
-      : store_state(state) {}
-  ~StoreUpdateResult() {}
-
-  // List of Offline ID to item action status mappings.
-  // It is meant to be consumed by the original caller of the operation.
-  MultipleItemStatuses item_statuses;
-
-  // List of successfully updated offline page items as seen after operation
-  // concludes. It is meant to be used when passing to the observers.
-  std::vector<T> updated_items;
-
-  // State of the store after the operation is done.
-  StoreState store_state;
-};
-
-}  // namespace offline_pages
-
-#endif  // COMPONENTS_OFFLINE_PAGES_OFFLINE_STORE_TYPES_H_