[CrOS Tether] Fill out the Initializer class. Tether will now initialize fully once the flag is ena…

chrome/browser/chromeos/login/session/user_session_manager.cc

Index: chrome/browser/chromeos/login/session/user_session_manager.cc
diff --git a/chrome/browser/chromeos/login/session/user_session_manager.cc b/chrome/browser/chromeos/login/session/user_session_manager.cc
index 68980b751c0277c7786b41141bbc1412dfd3c77f..bfcb65c741fbe0fa31db12092ed98865b0d9d58f 100644
--- a/chrome/browser/chromeos/login/session/user_session_manager.cc
+++ b/chrome/browser/chromeos/login/session/user_session_manager.cc
@@ -57,6 +57,7 @@
 #include "chrome/browser/chromeos/login/users/chrome_user_manager.h"
 #include "chrome/browser/chromeos/login/users/supervised_user_manager.h"
 #include "chrome/browser/chromeos/login/wizard_controller.h"
+#include "chrome/browser/chromeos/net/tether_notification_presenter.h"
 #include "chrome/browser/chromeos/policy/browser_policy_connector_chromeos.h"
 #include "chrome/browser/chromeos/profiles/profile_helper.h"
 #include "chrome/browser/chromeos/settings/cros_settings.h"
@@ -1255,7 +1256,8 @@ void UserSessionManager::FinalizePrepareProfile(Profile* profile) {
     if (base::CommandLine::ForCurrentProcess()->HasSwitch(
             chromeos::switches::kEnableTether)) {
       chromeos::tether::Initializer::Initialize(
-          ChromeCryptAuthServiceFactory::GetForBrowserContext(profile));
+          ChromeCryptAuthServiceFactory::GetForBrowserContext(profile),
+          base::MakeUnique<TetherNotificationPresenter>(), profile->GetPrefs());
     }
   }