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

chrome/browser/ui/browser_dialogs.h

Index: chrome/browser/ui/browser_dialogs.h
diff --git a/chrome/browser/ui/browser_dialogs.h b/chrome/browser/ui/browser_dialogs.h
index 98c55145adee35154e66601b38441ac78349cb99..cff9e769a9b4d6a6a4e477ff8f8f006ba3c975b0 100644
--- a/chrome/browser/ui/browser_dialogs.h
+++ b/chrome/browser/ui/browser_dialogs.h
@@ -6,6 +6,7 @@
 #define CHROME_BROWSER_UI_BROWSER_DIALOGS_H_
 
 #include "base/callback.h"
+#include "chrome/browser/profiles/profile_window.h"
 #include "content/public/common/signed_certificate_timestamp_id_and_status.h"
 #include "ipc/ipc_message.h"  // For IPC_MESSAGE_LOG_ENABLED.
 #include "third_party/skia/include/core/SkColor.h"
@@ -101,6 +102,9 @@ void ShowProfileSigninConfirmationDialog(
 // Shows the Desktop User Manager with the |profile_path_to_focus| user focused.
 void ShowUserManager(const base::FilePath& profile_path_to_focus);
 
+// Shows the Desktop User Manager with a specific |tutorial|.
+void ShowUserManagerWithTutorial(profiles::UserManagerTutorialMode tutorial);
+
 // Hides the User Manager.
 void HideUserManager();