[Cleanup] Const-correct the profile() method for the EasyUnlockService

chrome/browser/ui/webui/options/chromeos/change_picture_options_handler.cc

 // Copyright (c) 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/options/chromeos/change_picture_options_handler.h"
 
 #include "ash/audio/sounds.h"
 #include "base/bind.h"
 #include "base/bind_helpers.h"
 #include "base/command_line.h"
@@ skipping 453 matching lines @@
   image_decoder_ = NULL;
   user_photo_ = gfx::ImageSkia::CreateFrom1xBitmap(decoded_image);
   SetImageFromCamera(user_photo_);
 }
 
 void ChangePictureOptionsHandler::OnDecodeImageFailed(
     const ImageDecoder* decoder) {
   NOTREACHED() << "Failed to decode PNG image from WebUI";
 }
 
-user_manager::User* ChangePictureOptionsHandler::GetUser() const {
+const user_manager::User* ChangePictureOptionsHandler::GetUser() const {
   Profile* profile = Profile::FromWebUI(web_ui());
-  user_manager::User* user = ProfileHelper::Get()->GetUserByProfile(profile);
+  const user_manager::User* user =
+      ProfileHelper::Get()->GetUserByProfile(profile);
   if (!user)
     return user_manager::UserManager::Get()->GetActiveUser();
   return user;
 }
 
 }  // namespace options
 }  // namespace chromeos