Add ArcAuthService to handle IPC request from ARC

chrome/browser/chromeos/chrome_browser_main_chromeos.cc

Index: chrome/browser/chromeos/chrome_browser_main_chromeos.cc
diff --git a/chrome/browser/chromeos/chrome_browser_main_chromeos.cc b/chrome/browser/chromeos/chrome_browser_main_chromeos.cc
index 33f04e40579d200af13601afef5a76be035a70e6..af051c753f403b7fd194ba09ef00c7b95619a009 100644
--- a/chrome/browser/chromeos/chrome_browser_main_chromeos.cc
+++ b/chrome/browser/chromeos/chrome_browser_main_chromeos.cc
@@ -110,6 +110,7 @@
 #include "chromeos/network/portal_detector/network_portal_detector_stub.h"
 #include "chromeos/system/statistics_provider.h"
 #include "chromeos/tpm/tpm_token_loader.h"
+#include "components/arc/arc_auth_service.h"
 #include "components/arc/arc_bridge_service.h"
 #include "components/arc/arc_service_manager.h"
 #include "components/arc/settings/arc_settings_bridge.h"
@@ -392,7 +393,8 @@ void ChromeBrowserMainPartsChromeos::PreMainMessageLoopRun() {
   wake_on_wifi_manager_.reset(new WakeOnWifiManager());
 
   arc_service_manager_.reset(new arc::ArcServiceManager(
-      make_scoped_ptr(new arc::ArcSettingsBridgeImpl())));
+      make_scoped_ptr(new arc::ArcSettingsBridgeImpl()),
+      make_scoped_ptr(new arc::ArcAuthService())));
   arc_service_manager_->arc_bridge_service()->DetectAvailability();
 
   chromeos::ResourceReporter::GetInstance()->StartMonitoring();