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

components/offline_pages/background/remove_requests_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/remove_requests_task.h"
-
-#include "base/bind.h"
-
-namespace offline_pages {
-
-RemoveRequestsTask::RemoveRequestsTask(
-    RequestQueueStore* store,
-    const std::vector<int64_t>& request_ids,
-    const RequestQueueStore::UpdateCallback& callback)
-    : store_(store),
-      request_ids_(request_ids),
-      callback_(callback),
-      weak_ptr_factory_(this) {}
-
-RemoveRequestsTask::~RemoveRequestsTask() {}
-
-void RemoveRequestsTask::Run() {
-  RemoveRequests();
-}
-
-void RemoveRequestsTask::RemoveRequests() {
-  if (request_ids_.empty()) {
-    CompleteEarly(ItemActionStatus::NOT_FOUND);
-    return;
-  }
-
-  store_->RemoveRequests(request_ids_,
-                         base::Bind(&RemoveRequestsTask::CompleteWithResult,
-                                    weak_ptr_factory_.GetWeakPtr()));
-}
-
-void RemoveRequestsTask::CompleteEarly(ItemActionStatus status) {
-  // TODO(fgorski): store_->state() once implemented
-  std::unique_ptr<UpdateRequestsResult> result(
-      new UpdateRequestsResult(StoreState::LOADED));
-  for (int64_t request_id : request_ids_)
-    result->item_statuses.push_back(std::make_pair(request_id, status));
-  CompleteWithResult(std::move(result));
-}
-
-void RemoveRequestsTask::CompleteWithResult(
-    std::unique_ptr<UpdateRequestsResult> result) {
-  callback_.Run(std::move(result));
-  TaskComplete();
-}
-
-}  // namespace offline_pages