Connect BackgroundFetch to the OfflineItemCollection

chrome/test/BUILD.gn

 # Copyright 2014 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.
 
 import("//build/config/chrome_build.gni")
 import("//build/config/compiler/compiler.gni")
 import("//build/config/crypto.gni")
 import("//build/config/features.gni")
 import("//build/config/ui.gni")
 import("//chrome/common/features.gni")
@@ skipping 3097 matching lines @@
     "../browser/android/preferences/pref_service_bridge_unittest.cc",
     "../browser/android/shortcut_info_unittest.cc",
     "../browser/android/thumbnail/scoped_ptr_expiring_cache_unittest.cc",
     "../browser/android/webapk/webapk_icon_hasher_unittest.cc",
     "../browser/android/webapk/webapk_installer_unittest.cc",
     "../browser/android/webapk/webapk_web_manifest_checker_unittest.cc",
     "../browser/android/webapps/add_to_homescreen_data_fetcher_unittest.cc",
     "../browser/app_controller_mac_unittest.mm",
     "../browser/autocomplete/search_provider_unittest.cc",
     "../browser/autocomplete/shortcuts_provider_extension_unittest.cc",
+    "../browser/background_fetch/background_fetch_client_impl_unittest.cc",
     "../browser/background_sync/background_sync_controller_impl_unittest.cc",
     "../browser/background_sync/background_sync_permission_context_unittest.cc",
     "../browser/banners/app_banner_settings_helper_unittest.cc",
     "../browser/bitmap_fetcher/bitmap_fetcher_service_unittest.cc",
     "../browser/bookmarks/managed_bookmark_service_unittest.cc",
     "../browser/browser_about_handler_unittest.cc",
     "../browser/browser_process_impl_unittest.cc",
     "../browser/browsing_data/browsing_data_appcache_helper_unittest.cc",
     "../browser/browsing_data/browsing_data_cache_storage_helper_unittest.cc",
     "../browser/browsing_data/browsing_data_channel_id_helper_unittest.cc",
@@ skipping 2095 matching lines @@
 }
 
 if (is_win) {
   loadable_module("conflicts_dll") {
     testonly = true
     sources = [
       "conflicts/conflicts_dll.cc",
     ]
   }
 }