Network service: move URLLoaderThrottle and ThrottlingURLLoader.

content/public/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("//build/buildflag_header.gni")
 import("//build/config/chromecast_build.gni")
 import("//build/config/features.gni")
 import("//build/config/ui.gni")
 import("//media/media_options.gni")
 import("//mojo/public/tools/bindings/mojom.gni")
@@ skipping 220 matching lines @@
     "speech_recognition_error.h",
     "speech_recognition_grammar.h",
     "speech_recognition_result.cc",
     "speech_recognition_result.h",
     "stop_find_action.h",
     "storage_quota_params.h",
     "three_d_api_types.h",
     "url_constants.cc",
     "url_constants.h",
     "url_fetcher.h",
+    "url_loader_throttle.h",
     "url_utils.cc",
     "url_utils.h",
     "user_agent.h",
     "web_preferences.cc",
     "web_preferences.h",
     "webplugininfo.cc",
     "webplugininfo.h",
     "zygote_fork_delegate_linux.h",
     "zygote_handle.h",
   ]
@@ skipping 97 matching lines @@
   sources = [
     "service_names.mojom",
   ]
 }
 
 mojom("resource_type_bindings") {
   sources = [
     "resource_type.mojom",
   ]
 }