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

content/shell/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/sanitizers/sanitizers.gni")
 import("//build/config/ui.gni")
 import("//build/config/win/console_app.gni")
 import("//build/config/win/manifest.gni")
 import("//media/media_options.gni")
@@ skipping 213 matching lines @@
     "//components/cdm/renderer",
     "//components/crash/content/app:app_breakpad_mac_win_to_be_deleted",
     "//components/keyed_service/content",
     "//components/plugins/renderer",
     "//components/url_formatter",
     "//components/web_cache/renderer",
     "//content:resources",
     "//content/app/resources",
     "//content/app/strings",
     "//content/gpu",
+    "//content/public/common:interfaces",
     "//content/public/common:service_names",
     "//content/shell/test_runner:test_runner",
     "//content/test:content_test_mojo_bindings",
     "//content/test:layouttest_support",
     "//content/test:test_support",
     "//device/bluetooth",
     "//device/bluetooth:fake_bluetooth",
     "//device/bluetooth:mocks",
     "//device/geolocation",
     "//device/sensors/public/cpp:full",
     "//gin",
     "//gpu",
     "//media",
     "//media/capture",
     "//mojo/edk/js",
     "//net",
     "//net:net_resources",
+    "//net:test_support",
     "//ppapi/features",
     "//sandbox",
     "//services/service_manager/public/cpp",
     "//skia",
     "//storage/browser",
     "//testing/gmock",
     "//testing/gtest",
     "//third_party/WebKit/public:blink",
     "//third_party/WebKit/public:features",
     "//third_party/WebKit/public:image_resources",
@@ skipping 547 matching lines @@
     data_deps += [
       "//breakpad:dump_syms",
       "//breakpad:microdump_stackwalk",
       "//breakpad:minidump_dump",
       "//breakpad:minidump_stackwalk",
       "//breakpad:symupload",
       "//tools/android/forwarder2",
     ]
   }
 }