Factory reset screen is added

chrome/browser/chromeos/login/reset_screen.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/login/reset_screen.h"
+
+#include "base/logging.h"
+#include "chrome/browser/chromeos/cros/cros_library.h"
+#include "chrome/browser/chromeos/cros/cryptohome_library.h"
+#include "chrome/browser/chromeos/customization_document.h"
+#include "chrome/browser/chromeos/login/screen_observer.h"
+#include "chrome/browser/chromeos/login/wizard_controller.h"
+
+namespace chromeos {
+
+ResetScreen::ResetScreen(ScreenObserver* observer, ResetScreenActor* actor)
+    : WizardScreen(observer), actor_(actor) {
+  DCHECK(actor_);
+  if (actor_)
+    actor_->SetDelegate(this);
+}
+
+ResetScreen::~ResetScreen() {
+  if (actor_)
+    actor_->SetDelegate(NULL);
+}
+
+void ResetScreen::PrepareToShow() {
+  if (actor_)
+    actor_->PrepareToShow();
+}
+
+void ResetScreen::Show() {
+  if (actor_)
+    actor_->Show();
+}
+
+void ResetScreen::Hide() {
+  if (actor_)
+    actor_->Hide();
+}
+
+std::string ResetScreen::GetName() const {
+  return WizardController::kResetScreenName;
+}
+
+void ResetScreen::OnExit() {
+  get_screen_observer()->OnExit(ScreenObserver::RESET_CANCELED);
+}
+
+void ResetScreen::OnActorDestroyed(ResetScreenActor* actor) {
+  if (actor_ == actor)
+    actor_ = NULL;
+}
+
+}  // namespace chromeos