Delete unused tutorial code from profile switcher/user manager.

chrome/browser/ui/user_manager.h

 // Copyright (c) 2014 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_UI_USER_MANAGER_H_
 #define CHROME_BROWSER_UI_USER_MANAGER_H_
 
 #include "base/callback_forward.h"
 #include "base/macros.h"
 #include "chrome/browser/profiles/profile_window.h"
 #include "components/signin/core/browser/signin_metrics.h"
 #include "content/public/browser/web_contents_delegate.h"
 
 namespace base {
 class FilePath;
 }
 
 // Cross-platform methods for displaying the user manager.
 class UserManager {
  public:
   // TODO(noms): Figure out if this size can be computed dynamically or adjusted
   // for smaller screens.
   static constexpr int kWindowWidth = 800;
   static constexpr int kWindowHeight = 600;
 
   // Shows the User Manager or re-activates an existing one, focusing the
   // profile given by |profile_path_to_focus|; passing an empty base::FilePath
-  // focuses no user pod. Based on the value of |tutorial_mode|, a tutorial
-  // could be shown, in which case |profile_path_to_focus| is ignored. Depending
-  // on the value of |user_manager_action|, executes an action once the user
-  // manager displays or after a profile is opened.
+  // focuses no user pod. Depending on the value of |user_manager_action|,
+  // executes an action once the user manager displays or after a profile is
+  // opened.
   static void Show(const base::FilePath& profile_path_to_focus,
-                   profiles::UserManagerTutorialMode tutorial_mode,
                    profiles::UserManagerAction user_manager_action);
 
   // Hides the User Manager.
   static void Hide();
 
   // Returns whether the User Manager is showing and active.
   // TODO(zmin): Rename the function to something less confusing.
   // https://crbug.com/649380.
   static bool IsShowing();
 
@@ skipping 64 matching lines @@
     virtual void CloseDialog() = 0;
 
     // WebContents of the embedded WebView.
     content::WebContents* guest_web_contents_;
 
     DISALLOW_COPY_AND_ASSIGN(BaseDialogDelegate);
   };
 };
 
 #endif  // CHROME_BROWSER_UI_USER_MANAGER_H_