Use new download notification strings

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) {}
+      total_bytes(page.file_size),
+      is_offlining(false) {}
 
 DownloadUIItem::DownloadUIItem(const SavePageRequest& request)
     : guid(request.client_id().id),
       url(request.url()),
       start_time(request.creation_time()),
-      total_bytes(-1L) {}
+      total_bytes(-1L),
+      is_offlining(request.request_state() ==
+          SavePageRequest::RequestState::OFFLINING) {}
 
 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) {}
+      total_bytes(other.total_bytes),
+      is_offlining(other.is_offlining) {}
 
 DownloadUIItem::~DownloadUIItem() {
 }
 
 }  // namespace offline_pages