Add support in the network service for different contexts.

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("//gpu/vulkan/features.gni")
 import("//media/media_options.gni")
 import("//ppapi/features/features.gni")
 import("//printing/features/features.gni")
@@ skipping 1452 matching lines @@
     "tracing/etw_tracing_agent_win.h",
     "tracing/file_tracing_provider_impl.cc",
     "tracing/file_tracing_provider_impl.h",
     "tracing/trace_message_filter.cc",
     "tracing/trace_message_filter.h",
     "tracing/tracing_controller_impl.cc",
     "tracing/tracing_controller_impl.h",
     "tracing/tracing_controller_impl_data_sinks.cc",
     "tracing/tracing_ui.cc",
     "tracing/tracing_ui.h",
+    "url_loader_factory_getter.cc",
+    "url_loader_factory_getter.h",
     "utility_process_host_impl.cc",
     "utility_process_host_impl.h",
     "wake_lock/wake_lock_context_host.cc",
     "wake_lock/wake_lock_context_host.h",
     "web_contents/aura/gesture_nav_simple.cc",
     "web_contents/aura/gesture_nav_simple.h",
     "web_contents/aura/overscroll_navigation_overlay.cc",
     "web_contents/aura/overscroll_navigation_overlay.h",
     "web_contents/aura/overscroll_window_animation.cc",
     "web_contents/aura/overscroll_window_animation.h",
@@ skipping 668 matching lines @@
   if (!is_component_build) {
     public_deps = [
       ":browser",
     ]
   } else {
     public_deps = [
       "//third_party/leveldatabase",
     ]
   }
 }