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

components/offline_pages/background/add_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/add_request_task.h"
-
-#include "base/bind.h"
-#include "components/offline_pages/background/save_page_request.h"
-
-namespace offline_pages {
-
-AddRequestTask::AddRequestTask(RequestQueueStore* store,
-                               const SavePageRequest& request,
-                               const RequestQueueStore::AddCallback& callback)
-    : store_(store),
-      request_(request),
-      callback_(callback),
-      weak_ptr_factory_(this) {}
-
-AddRequestTask::~AddRequestTask() {}
-
-void AddRequestTask::Run() {
-  AddRequest();
-}
-
-void AddRequestTask::AddRequest() {
-  store_->AddRequest(request_, base::Bind(&AddRequestTask::CompleteWithResult,
-                                          weak_ptr_factory_.GetWeakPtr()));
-}
-
-void AddRequestTask::CompleteWithResult(ItemActionStatus status) {
-  callback_.Run(status);
-  TaskComplete();
-}
-
-}  // namespace offline_pages