Implemented screen notifying users about malformed HWID.

chrome/browser/chromeos/login/wrong_hwid_screen.cc

Index: chrome/browser/chromeos/login/wrong_hwid_screen.cc
diff --git a/chrome/browser/chromeos/login/wrong_hwid_screen.cc b/chrome/browser/chromeos/login/wrong_hwid_screen.cc
new file mode 100644
index 0000000000000000000000000000000000000000..44a240febf12d034142651b085de37391f6ad78a
--- /dev/null
+++ b/chrome/browser/chromeos/login/wrong_hwid_screen.cc
@@ -0,0 +1,54 @@
+// 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/chromeos/login/wrong_hwid_screen.h"
+
+#include "chrome/browser/chromeos/login/screen_observer.h"
+#include "chrome/browser/chromeos/login/wizard_controller.h"
+
+namespace chromeos {
+
+WrongHWIDScreen::WrongHWIDScreen(ScreenObserver* observer,
+                                 WrongHWIDScreenActor* actor)
+    : WizardScreen(observer), actor_(actor) {
+  DCHECK(actor_);
+  if (actor_)
+    actor_->SetDelegate(this);
+}
+
+WrongHWIDScreen::~WrongHWIDScreen() {
+  if (actor_)
+    actor_->SetDelegate(NULL);
+}
+
+void WrongHWIDScreen::PrepareToShow() {
+  if (actor_)
+    actor_->PrepareToShow();
+}
+
+void WrongHWIDScreen::Show() {
+  if (actor_)
+    actor_->Show();
+}
+
+void WrongHWIDScreen::Hide() {
+  if (actor_)
+    actor_->Hide();
+}
+
+std::string WrongHWIDScreen::GetName() const {
+  return WizardController::kWrongHWIDScreenName;
+}
+
+void WrongHWIDScreen::OnExit() {
+  get_screen_observer()->OnExit(ScreenObserver::WRONG_HWID_WARNING_SKIPPED);
+}
+
+void WrongHWIDScreen::OnActorDestroyed(WrongHWIDScreenActor* actor) {
+  if (actor_ == actor)
+    actor_ = NULL;
+}
+
+}  // namespace chromeos
+