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

chrome/browser/ui/webui/chromeos/login/update_screen_handler.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/ui/webui/chromeos/login/update_screen_handler.h"
 
-#include "base/memory/scoped_ptr.h"
+#include <memory>
+
 #include "base/values.h"
 #include "chrome/browser/chromeos/login/screens/update_model.h"
 #include "chrome/browser/ui/webui/chromeos/login/oobe_screen.h"
 #include "chrome/grit/chromium_strings.h"
 #include "chrome/grit/generated_resources.h"
 #include "components/login/localized_values_builder.h"
 #include "ui/base/l10n/l10n_util.h"
 
 namespace {
 
@@ skipping 62 matching lines @@
   model_ = &model;
   BaseScreenHandler::SetBaseScreen(model_);
 }
 
 void UpdateScreenHandler::Unbind() {
   model_ = nullptr;
   BaseScreenHandler::SetBaseScreen(nullptr);
 }
 
 }  // namespace chromeos