Add updater state for Mac.

components/update_client/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("//net/features.gni")
 
 static_library("update_client") {
   sources = [
     "background_downloader_win.cc",
     "background_downloader_win.h",
@@ skipping 29 matching lines @@
     "update_engine.cc",
     "update_engine.h",
     "update_query_params.cc",
     "update_query_params.h",
     "update_query_params_delegate.cc",
     "update_query_params_delegate.h",
     "update_response.cc",
     "update_response.h",
     "updater_state.cc",
     "updater_state.h",
+    "updater_state_mac.mm",
     "updater_state_win.cc",
     "url_fetcher_downloader.cc",
     "url_fetcher_downloader.h",
     "utils.cc",
     "utils.h",
   ]
 
   deps = [
     "//base",
     "//components/client_update_protocol",
     "//components/crx_file",
     "//components/data_use_measurement/core",
     "//components/prefs",
     "//components/version_info:version_info",
     "//courgette:courgette_lib",
     "//crypto",
     "//net",
     "//third_party/libxml",
     "//third_party/zlib:zip",
     "//url",
   ]
+  libs = []
+  if (is_mac) {
+    libs += [ "OpenDirectory.framework" ]
+  }
 }
 
 static_library("test_support") {
   testonly = true
   sources = [
     "test_configurator.cc",
     "test_configurator.h",
     "test_installer.cc",
     "test_installer.h",
     "url_request_post_interceptor.cc",
@@ skipping 64 matching lines @@
     "//components/prefs",
     "//components/prefs:test_support",
     "//components/version_info:version_info",
     "//courgette:courgette_lib",
     "//net:test_support",
     "//testing/gmock",
     "//testing/gtest",
     "//third_party/libxml",
   ]
 }