ash: Constantify user methods of SystemTrayDelegate.

chrome/browser/chromeos/system/ash_system_tray_delegate.cc

 // Copyright (c) 2012 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/system/ash_system_tray_delegate.h"
 
 #include "ash/shell.h"
 #include "ash/system/audio/audio_controller.h"
 #include "ash/system/brightness/brightness_controller.h"
 #include "ash/system/power/power_status_controller.h"
@@ skipping 31 matching lines @@
                    content::NotificationService::AllSources());
   }
 
   virtual ~SystemTrayDelegate() {
     AudioHandler* audiohandler = AudioHandler::GetInstance();
     if (audiohandler)
       audiohandler->RemoveVolumeObserver(this);
     DBusThreadManager::Get()->GetPowerManagerClient()->RemoveObserver(this);
   }
 
-  // Overridden from ash::SystemTrayDelegate.
-  virtual const std::string GetUserDisplayName() OVERRIDE {
+  // Overridden from ash::SystemTrayDelegate:
+  virtual const std::string GetUserDisplayName() const OVERRIDE {
     return UserManager::Get()->logged_in_user().GetDisplayName();
   }
 
-  virtual const std::string GetUserEmail() OVERRIDE {
+  virtual const std::string GetUserEmail() const OVERRIDE {
     return UserManager::Get()->logged_in_user().email();
   }
 
-  virtual const SkBitmap& GetUserImage() OVERRIDE {
+  virtual const SkBitmap& GetUserImage() const OVERRIDE {
     return UserManager::Get()->logged_in_user().image();
   }
 
-  virtual ash::user::LoginStatus GetUserLoginStatus() OVERRIDE {
+  virtual ash::user::LoginStatus GetUserLoginStatus() const OVERRIDE {
     UserManager* manager = UserManager::Get();
     if (!manager->user_is_logged_in())
       return ash::user::LOGGED_IN_NONE;
     if (manager->current_user_is_owner())
       return ash::user::LOGGED_IN_OWNER;
     if (manager->IsLoggedInAsGuest())
       return ash::user::LOGGED_IN_GUEST;
     return ash::user::LOGGED_IN_USER;
   }
 
@@ skipping 76 matching lines @@
   DISALLOW_COPY_AND_ASSIGN(SystemTrayDelegate);
 };
 
 }  // namespace
 
 ash::SystemTrayDelegate* CreateSystemTrayDelegate(ash::SystemTray* tray) {
   return new chromeos::SystemTrayDelegate(tray);
 }
 
 }  // namespace chromeos