MDUserManager: respect policy-controlled toggles for adding a profile and browsing as guest

chrome/browser/ui/webui/signin/user_manager_screen_handler.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 "chrome/browser/ui/webui/signin/user_manager_screen_handler.h"
 
 #include <stddef.h>
 
 #include <utility>
 #include <vector>
@@ skipping 122 matching lines @@
   base::FilePath path =
       profiles::GetPathOfProfileWithEmail(g_browser_process->profile_manager(),
                                           email);
   Profile* profile = g_browser_process->profile_manager()
       ->GetProfileByPath(path);
   return extensions::ScreenlockPrivateEventRouter::GetFactoryInstance()->Get(
       profile);
 }
 
 bool IsGuestModeEnabled() {
-  if (switches::IsMaterialDesignUserManager())
-    return true;
   PrefService* service = g_browser_process->local_state();
   DCHECK(service);
   return service->GetBoolean(prefs::kBrowserGuestModeEnabled);
 }
 
 bool IsAddPersonEnabled() {
-  if (switches::IsMaterialDesignUserManager())
-    return true;
   PrefService* service = g_browser_process->local_state();
   DCHECK(service);
   return service->GetBoolean(prefs::kBrowserAddPersonEnabled);
 }
 
 // Executes the action specified by the URL's Hash parameter, if any. Deletes
 // itself after the action would be performed.
 class UrlHashHelper : public chrome::BrowserListObserver {
  public:
   UrlHashHelper(Browser* browser, const std::string& hash);
@@ skipping 856 matching lines @@
     Profile* profile, Profile::CreateStatus profile_create_status) {
   Browser* browser = chrome::FindAnyBrowser(profile, false);
   if (browser && browser->window()) {
     OnBrowserWindowReady(browser);
   } else {
     registrar_.Add(this,
                    chrome::NOTIFICATION_BROWSER_WINDOW_READY,
                    content::NotificationService::AllSources());
   }
 }