Sync the browser test host resolver with the network process before a test runs.

content/test/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/chrome_build.gni")
 import("//build/config/chromecast_build.gni")
 import("//build/config/compiler/compiler.gni")
 import("//build/config/crypto.gni")
 import("//build/config/features.gni")
 import("//build/config/ui.gni")
@@ skipping 88 matching lines @@
     "../public/test/test_content_client_initializer.cc",
     "../public/test/test_content_client_initializer.h",
     "../public/test/test_download_request_handler.cc",
     "../public/test/test_download_request_handler.h",
     "../public/test/test_file_error_injector.cc",
     "../public/test/test_file_error_injector.h",
     "../public/test/test_fileapi_operation_waiter.cc",
     "../public/test/test_fileapi_operation_waiter.h",
     "../public/test/test_frame_navigation_observer.cc",
     "../public/test/test_frame_navigation_observer.h",
+    "../public/test/test_host_resolver.cc",
+    "../public/test/test_host_resolver.h",
     "../public/test/test_launcher.cc",
     "../public/test/test_launcher.h",
     "../public/test/test_navigation_observer.cc",
     "../public/test/test_navigation_observer.h",
     "../public/test/test_notification_tracker.cc",
     "../public/test/test_notification_tracker.h",
     "../public/test/test_renderer_host.cc",
     "../public/test/test_renderer_host.h",
     "../public/test/test_service.cc",
     "../public/test/test_service.h",
@@ skipping 117 matching lines @@
     "//components/display_compositor",
     "//components/leveldb/public/interfaces",
     "//components/payments/mojom:mojom_payment_app",
     "//content/app:both_for_content_tests",
     "//content/browser:for_content_tests",
     "//content/browser/speech/proto",
     "//content/child:for_content_tests",
     "//content/gpu",
     "//content/public/browser",
     "//content/public/child",
+    "//content/public/common:interfaces",
+    "//content/public/common:service_names",
     "//content/public/renderer",
     "//content/public/utility",
     "//content/renderer:for_content_tests",
     "//content/shell:pak",
     "//content/utility:for_content_tests",
     "//device/base/synchronization",
     "//device/geolocation",
     "//device/nfc:mojo_bindings",
     "//ipc:test_support",
     "//media",
@@ skipping 1563 matching lines @@
   if (is_android) {
     deps += [ "//testing/android/native_test:native_test_native_code" ]
   }
 }
 
 group("fuzzers") {
   deps = [
     "//content/test/fuzzer",
   ]
 }