Implement a Mojo service for Background Fetch

content/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/features.gni")
 import("//build/config/ui.gni")
 import("//media/media_options.gni")
 import("//ppapi/features/features.gni")
 import("//printing/features/features.gni")
 import("//third_party/WebKit/public/public_features.gni")
@@ skipping 310 matching lines @@
     "background_fetch/background_fetch_data_manager.cc",
     "background_fetch/background_fetch_data_manager.h",
     "background_fetch/background_fetch_job_controller.cc",
     "background_fetch/background_fetch_job_controller.h",
     "background_fetch/background_fetch_job_data.cc",
     "background_fetch/background_fetch_job_data.h",
     "background_fetch/background_fetch_job_info.cc",
     "background_fetch/background_fetch_job_info.h",
     "background_fetch/background_fetch_request_info.cc",
     "background_fetch/background_fetch_request_info.h",
+    "background_fetch/background_fetch_service_impl.cc",
+    "background_fetch/background_fetch_service_impl.h",
     "background_sync/background_sync_context.cc",
     "background_sync/background_sync_context.h",
     "background_sync/background_sync_manager.cc",
     "background_sync/background_sync_manager.h",
     "background_sync/background_sync_metrics.cc",
     "background_sync/background_sync_metrics.h",
     "background_sync/background_sync_network_observer.cc",
     "background_sync/background_sync_network_observer.h",
     "background_sync/background_sync_registration.cc",
     "background_sync/background_sync_registration.h",
@@ skipping 1693 matching lines @@
   if (!is_component_build) {
     public_deps = [
       ":browser",
     ]
   } else {
     public_deps = [
       "//third_party/leveldatabase",
     ]
   }
 }