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

components/offline_pages/downloads/download_ui_item.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/downloads/download_ui_item.h"
-
-#include "components/offline_pages/background/save_page_request.h"
-#include "components/offline_pages/offline_page_item.h"
-
-namespace offline_pages {
-
-DownloadUIItem::DownloadUIItem()
-    : total_bytes(0) {
-}
-
-DownloadUIItem::DownloadUIItem(const OfflinePageItem& page)
-    : guid(page.client_id.id),
-      url(page.url),
-      title(page.title),
-      target_path(page.file_path),
-      start_time(page.creation_time),
-      total_bytes(page.file_size) {}
-
-DownloadUIItem::DownloadUIItem(const SavePageRequest& request)
-    : guid(request.client_id().id),
-      url(request.url()),
-      start_time(request.creation_time()),
-      total_bytes(-1L) {}
-
-DownloadUIItem::DownloadUIItem(const DownloadUIItem& other)
-    : guid(other.guid),
-      url(other.url),
-      title(other.title),
-      target_path(other.target_path),
-      start_time(other.start_time),
-      total_bytes(other.total_bytes) {}
-
-DownloadUIItem::~DownloadUIItem() {
-}
-
-}  // namespace offline_pages