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

components/offline_pages/background/update_request_task.cc

-// 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.
-
-#include "components/offline_pages/background/update_request_task.h"
-
-#include <vector>
-
-#include "base/bind.h"
-#include "base/time/time.h"
-
-namespace offline_pages {
-
-UpdateRequestTask::UpdateRequestTask(
-    RequestQueueStore* store,
-    int64_t request_id,
-    const RequestQueueStore::UpdateCallback& callback)
-    : store_(store),
-      request_id_(request_id),
-      callback_(callback),
-      weak_ptr_factory_(this) {}
-
-UpdateRequestTask::~UpdateRequestTask() {}
-
-void UpdateRequestTask::Run() {
-  ReadRequest();
-}
-
-void UpdateRequestTask::ReadRequest() {
-  std::vector<int64_t> request_ids{request_id_};
-  store_->GetRequestsByIds(request_ids,
-                           base::Bind(&UpdateRequestTask::UpdateRequestImpl,
-                                      weak_ptr_factory_.GetWeakPtr()));
-}
-
-void UpdateRequestTask::CompleteWithResult(
-    std::unique_ptr<UpdateRequestsResult> result) {
-  callback_.Run(std::move(result));
-  TaskComplete();
-}
-
-bool UpdateRequestTask::ValidateReadResult(UpdateRequestsResult* result) {
-  return result->store_state == StoreState::LOADED &&
-         result->item_statuses.at(0).first == request_id() &&
-         result->item_statuses.at(0).second == ItemActionStatus::SUCCESS &&
-         result->updated_items.size() == 1 &&
-         result->updated_items.at(0).request_id() == request_id();
-}
-
-}  // namespace offline_pages