Connect BackgroundFetch to the OfflineItemCollection

content/public/browser/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/ui.gni")
 
 # See //content/BUILD.gn for how this works.
 group("browser") {
   if (is_component_build) {
     public_deps = [
@@ skipping 19 matching lines @@
     "android/content_view_core.h",
     "android/content_view_layer_renderer.h",
     "android/devtools_auth.h",
     "android/java_interfaces.h",
     "android/synchronous_compositor.cc",
     "android/synchronous_compositor.h",
     "android/synchronous_compositor_client.h",
     "appcache_service.h",
     "ax_event_notification_details.cc",
     "ax_event_notification_details.h",
+    "background_fetch_client.h",
+    "background_fetch_delegate.h",
     "background_sync_controller.h",
     "background_sync_parameters.cc",
     "background_sync_parameters.h",
     "background_tracing_config.cc",
     "background_tracing_config.h",
     "background_tracing_manager.h",
     "blob_handle.h",
     "bluetooth_chooser.cc",
     "bluetooth_chooser.h",
     "browser_accessibility_state.h",
@@ skipping 277 matching lines @@
 
   if (use_aura) {
     sources -= [ "context_factory.h" ]
     deps += [ "//ui/aura" ]
   }
 
   if (!is_android) {
     sources += [ "devtools_frontend_host.h" ]
   }
 }