Implement the infrastructure of creating WorkerFetchContext in worker global scope.

content/common/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("features.gni")
 import("//build/buildflag_header.gni")
 import("//build/config/features.gni")
 import("//build/config/ui.gni")
 import("//media/media_options.gni")
 import("//mojo/public/tools/bindings/mojom.gni")
@@ skipping 591 matching lines @@
     "renderer.mojom",
     "service_worker/embedded_worker.mojom",
     "service_worker/service_worker.mojom",
     "service_worker/service_worker_event_dispatcher.mojom",
     "service_worker/service_worker_provider.mojom",
     "service_worker/service_worker_types.mojom",
     "storage_partition_service.mojom",
     "url_loader.mojom",
     "url_loader_factory.mojom",
     "video_capture.mojom",
+    "worker_url_loader_factory_provider.mojom",
   ]
 
   import_dirs = [ "//mojo/services" ]
 
   public_deps = [
     "//components/leveldb/public/interfaces",
     "//components/payments/mojom:mojom_payment_app",
     "//content/public/common:interfaces",
 
     # TODO(mcasas): remove the following dep after https://crbug.com/653994
@@ skipping 15 matching lines @@
   ]
 
   overridden_deps = [ "//ipc:mojom" ]
   component_deps = [ "//ipc" ]
 
   export_class_attribute = "CONTENT_EXPORT"
   export_define = "CONTENT_IMPLEMENTATION=1"
   export_header = "content/common/content_export.h"
   use_once_callback = true
 }