Move URLLoaderClientImpl to a separate file

content/child/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("//ppapi/features/features.gni")
 import("//third_party/WebKit/public/public_features.gni")
 
 if (is_component_build) {
@@ skipping 159 matching lines @@
     "shared_worker_devtools_agent.cc",
     "shared_worker_devtools_agent.h",
     "site_isolation_stats_gatherer.cc",
     "site_isolation_stats_gatherer.h",
     "storage_util.cc",
     "storage_util.h",
     "sync_load_response.cc",
     "sync_load_response.h",
     "thread_safe_sender.cc",
     "thread_safe_sender.h",
+    "url_loader_client_impl.cc",
+    "url_loader_client_impl.h",
     "url_response_body_consumer.cc",
     "url_response_body_consumer.h",
     "v8_value_converter_impl.cc",
     "v8_value_converter_impl.h",
     "web_data_consumer_handle_impl.cc",
     "web_data_consumer_handle_impl.h",
     "web_database_observer_impl.cc",
     "web_database_observer_impl.h",
     "web_url_loader_impl.cc",
     "web_url_loader_impl.h",
@@ skipping 100 matching lines @@
 
 # See comment at the top of //content/BUILD.gn for how this works.
 group("for_content_tests") {
   visibility = [ "//content/test/*" ]
   if (!is_component_build) {
     public_deps = [
       ":child",
     ]
   }
 }