Implement utility-side host resolver Mojo client.

net/BUILD.gn

 # Copyright (c) 2013 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/crypto.gni")
 import("//build/config/features.gni")
 import("//build/config/ui.gni")
 import("//build/module_args/v8.gni")
 import("//url/config.gni")
 import("//testing/test.gni")
@@ skipping 639 matching lines @@
     "test/ct_test_util.cc",
     "test/ct_test_util.h",
     "test/embedded_test_server/embedded_test_server.cc",
     "test/embedded_test_server/embedded_test_server.h",
     "test/embedded_test_server/http_connection.cc",
     "test/embedded_test_server/http_connection.h",
     "test/embedded_test_server/http_request.cc",
     "test/embedded_test_server/http_request.h",
     "test/embedded_test_server/http_response.cc",
     "test/embedded_test_server/http_response.h",
+    "test/event_waiter.h",
     "test/net_test_suite.cc",
     "test/net_test_suite.h",
     "test/python_utils.cc",
     "test/python_utils.h",
     "test/spawned_test_server/base_test_server.cc",
     "test/spawned_test_server/base_test_server.h",
     "test/spawned_test_server/local_test_server.cc",
     "test/spawned_test_server/local_test_server.h",
     "test/spawned_test_server/local_test_server_posix.cc",
     "test/spawned_test_server/local_test_server_win.cc",
@@ skipping 144 matching lines @@
 
     public_deps = [
       ":net",
       "//net/interfaces",
       "//third_party/mojo/src/mojo/public/cpp/bindings",
     ]
   }
 
   source_set("net_utility_services") {
     sources = [
+      "dns/host_resolver_mojo.cc",
+      "dns/host_resolver_mojo.h",
       "proxy/mojo_proxy_resolver_impl.cc",
       "proxy/mojo_proxy_resolver_impl.h",
     ]
 
     public_deps = [
       ":mojo_type_converters",
       ":net",
       "//mojo/common",
       "//net/interfaces",
       "//third_party/mojo/src/mojo/public/cpp/bindings",
@@ skipping 551 matching lines @@
 
     if (use_v8_in_net && !is_android) {
       deps += [
         ":net_browser_services",
         ":net_utility_services",
         "//mojo/environment:chromium",
         "//third_party/mojo/src/mojo/edk/system",
       ]
     } else {
       sources -= [
+        "dns/host_resolver_mojo_unittest.cc",
         "dns/mojo_host_resolver_impl_unittest.cc",
         "proxy/mojo_proxy_resolver_impl_unittest.cc",
       ]
     }
 
     if (!enable_mdns) {
       sources -= [
         "dns/mdns_cache_unittest.cc",
         "dns/mdns_client_unittest.cc",
         "dns/record_parsed_unittest.cc",
@@ skipping 80 matching lines @@
       "quic/quic_server_bin.cc",
     ]
     deps = [
       ":quic_tools",
       ":net",
       "//base",
       "//third_party/boringssl",
     ]
   }
 }  # !is_android && !is_win && !is_mac