Convert //chrome/browser/chromeos from scoped_ptr to std::unique_ptr

chrome/browser/chromeos/login/supervised/supervised_user_creation_screen.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/login/supervised/supervised_user_creation_screen.h"
 
 #include "ash/desktop_background/desktop_background_controller.h"
 #include "ash/shell.h"
 #include "base/rand_util.h"
 #include "base/values.h"
@@ skipping 513 matching lines @@
 
 void SupervisedUserCreationScreen::OnCameraPresenceCheckDone(
     bool is_camera_present) {
   if (actor_)
     actor_->SetCameraPresent(is_camera_present);
 }
 
 void SupervisedUserCreationScreen::OnGetSupervisedUsers(
     const base::DictionaryValue* users) {
   // Copy for passing to WebUI, contains only id, name and avatar URL.
-  scoped_ptr<base::ListValue> ui_users(new base::ListValue());
+  std::unique_ptr<base::ListValue> ui_users(new base::ListValue());
   SupervisedUserManager* supervised_user_manager =
       ChromeUserManager::Get()->GetSupervisedUserManager();
 
   // Stored copy, contains all necessary information.
   existing_users_.reset(new base::DictionaryValue());
   for (base::DictionaryValue::Iterator it(*users); !it.IsAtEnd();
        it.Advance()) {
     // Copy that would be stored in this class.
     base::DictionaryValue* local_copy =
         static_cast<base::DictionaryValue*>(it.value().DeepCopy());
@@ skipping 88 matching lines @@
     selected_image_ = user_manager::User::USER_IMAGE_EXTERNAL;
   } else {
     NOTREACHED() << "Unexpected image type: " << image_type;
   }
 }
 
 void SupervisedUserCreationScreen::OnImageAccepted() {
 }
 
 }  // namespace chromeos