Replace chromeos::UserManager::Get() with chromeos::GetUserManager().

chrome/browser/chromeos/app_mode/kiosk_mode_idle_app_name_notification.cc

 // Copyright 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.
 
 #include "chrome/browser/chromeos/app_mode/kiosk_mode_idle_app_name_notification.h"
 
 #include "ash/shell.h"
 #include "base/bind.h"
 #include "base/command_line.h"
 #include "base/logging.h"
@@ skipping 50 matching lines @@
       ash::Shell::GetInstance()->user_activity_detector()->HasObserver(this)) {
     ash::Shell::GetInstance()->user_activity_detector()->RemoveObserver(this);
     // At this time the DBusThreadManager might already be gone.
     if (chromeos::DBusThreadManager::IsInitialized())
       chromeos::DBusThreadManager::Get()->GetPowerManagerClient(
           )->RemoveObserver(this);
   }
 }
 
 void KioskModeIdleAppNameNotification::Setup() {
-  DCHECK(UserManager::Get()->IsUserLoggedIn());
+  DCHECK(GetUserManager()->IsUserLoggedIn());
   Start();
 }
 
 void KioskModeIdleAppNameNotification::OnUserActivity(const ui::Event* event) {
   if (show_notification_upon_next_user_activity_) {
     CommandLine* command_line = CommandLine::ForCurrentProcess();
     const std::string app_id =
         command_line->GetSwitchValueASCII(::switches::kAppId);
     Profile* profile = ProfileManager::GetActiveUserProfile();
     notification_.reset(
@@ skipping 36 matching lines @@
         base::Bind(&KioskModeIdleAppNameNotification::OnTimeout,
                    base::Unretained(this)));
   }
 }
 
 void KioskModeIdleAppNameNotification::OnTimeout() {
   show_notification_upon_next_user_activity_ = true;
 }
 
 }  // namespace chromeos