Add a "native_support" service.

services/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.
 
 group("services") {
   testonly = true
 
   deps = [
     ":tests",
     "//services/asset_bundle",
     "//services/authenticating_url_loader_interceptor",
     "//services/authentication",
     "//services/clipboard",
     "//services/dart",
     "//services/debugger",
     "//services/fake_surfaces",
     "//services/gles2:lib",
     "//services/http_server",
     "//services/icu_data",
     "//services/keyboard_native",
+    "//services/native_support",
     "//services/prediction",
     "//services/reaper",
     "//services/test_service:bindings",
     "//services/tracing",
   ]
 
   if (is_android) {
     deps += [
       "//services/android:java_handler",
       "//services/camera_roll",
@@ skipping 35 matching lines @@
 
 group("tests") {
   testonly = true
 
   deps = [
     "//services/asset_bundle:apptests",
     "//services/authenticating_url_loader_interceptor:apptests",
     "//services/clipboard:apptests",
     "//services/dart/dart_apptests",
     "//services/http_server:apptests",
+    "//services/native_support:apptests",
     "//services/prediction:apptests",
     "//services/reaper:tests",
   ]
 
   if (is_linux && !is_fnl) {
     deps += [ "//services/python:python_apptests" ]
   }
 
   if (is_android) {
     deps += [ "//services/notifications:apptests" ]
@@ skipping 15 matching lines @@
   if (is_android || is_linux) {
     deps += [
       "//services/files:apptests",
       "//services/url_response_disk_cache:tests",
       "//services/view_manager:mojo_view_manager_client_apptests",
       "//services/view_manager:view_manager_service_apptests",
       "//services/view_manager:view_manager_service_unittests",
     ]
   }
 }