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

chrome/browser/profiles/profile_window.h

 // 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.
 
 #ifndef CHROME_BROWSER_PROFILES_PROFILE_WINDOW_H_
 #define CHROME_BROWSER_PROFILES_PROFILE_WINDOW_H_
 
 #include "base/callback_forward.h"
 #include "chrome/browser/profiles/profile_metrics.h"
 #include "chrome/browser/ui/host_desktop.h"
 #include "chrome/browser/ui/startup/startup_types.h"
 
 class Profile;
 namespace base { class FilePath; }
 
 namespace profiles {
 
 // Callback to be used when switching to a new profile is completed.
 typedef base::Callback<void()> ProfileSwitchingDoneCallback;
 
+// Different tutorials that can be displayed in the user manager.
+enum UserManagerTutorialMode {
+  USER_MANAGER_NO_TUTORIAL,        // Does not display a tutorial.
+  USER_MANAGER_TUTORIAL_OVERVIEW,  // Basic overview of new features.
+  USER_MANAGER_TUTORIAL_LOCK       // TODO(noms): To be implemented.

[msw, 2014/03/20 18:51:26]

nit: include a comma after the terminal enum value.

[noms (inactive), 2014/03/20 20:28:20]

Done.

+};
+
 // Activates a window for |profile| on the desktop specified by
 // |desktop_type|. If no such window yet exists, or if |always_create| is
 // true, this first creates a new window, then activates
 // that. If activating an exiting window and multiple windows exists then the
 // window that was most recently active is activated. This is used for
 // creation of a window from the multi-profile dropdown menu.
 void FindOrCreateNewWindowForProfile(
     Profile* profile,
     chrome::startup::IsProcessStartup process_startup,
     chrome::startup::IsFirstRun is_first_run,
@@ skipping 21 matching lines @@
 void CreateAndSwitchToNewProfile(chrome::HostDesktopType desktop_type,
                                  ProfileSwitchingDoneCallback callback,
                                  ProfileMetrics::ProfileAdd metric);
 
 // Closes all browser windows that belong to the guest profile.
 void CloseGuestProfileWindows();
 
 // Closes all the browser windows for |profile| and opens the user manager.
 void LockProfile(Profile* profile);
 
+// Creates or reuses the guest profile needed by the user manager. Based on
+// the value of |tutorial_mode|, the user manager can show a specific
+// tutorial, or no tutorial at all. If a tutorial is not shown, then
+// |profile_path_to_focus| could be used to specify which user should be
+// focused. |callback| is run with the custom url to be displayed, as well as
+// a pointer to the guest profile.
+void CreateGuestProfileForUserManager(
+    const base::FilePath& profile_path_to_focus,
+    profiles::UserManagerTutorialMode tutorial_mode,
+    const base::Callback<void(Profile*, const std::string&)>& callback);
+
+// Based on the |profile| preferences, determines whether a user manager
+// tutorial needs to be shown, and displays the user manager with or without
+// the tutorial.
+void ShowUserManagerMaybeWithTutorial(Profile* profile);
+
 }  // namespace profiles
 
 #endif  // CHROME_BROWSER_PROFILES_PROFILE_WINDOW_H_