[Mac, Win] Show a user manager tutorial once per profile.

chrome/browser/ui/gtk/user_manager_gtk.cc

 // Copyright 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.
 
 #include <gtk/gtk.h>
 
 #include "chrome/browser/ui/browser_dialogs.h"
 
 namespace chrome {
 
 // Declared in browser_dialogs.h so others don't have to depend on this header.
 // TODO(noms): Add implementation when the User Manager dialog is implemented.
 void ShowUserManager(const base::FilePath& profile_path_to_focus) {
   NOTIMPLEMENTED();
 }
 
+void ShowUserManagerWithTutorial(profiles::UserManagerTutorialMode tutorial) {
+  NOTIMPLEMENTED();
+}
+
 void HideUserManager() {
   NOTIMPLEMENTED();
 }
 
 }  // namespace chrome