chromeos: Implement power button animations for Aura.

chrome/browser/chromeos/power/power_button_controller_delegate_chromeos.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/power/power_button_controller_delegate_chromeos.h"
+
+#include "base/logging.h"
+#include "chrome/browser/chromeos/dbus/dbus_thread_manager.h"
+#include "chrome/browser/chromeos/dbus/power_manager_client.h"
+
+namespace chromeos {
+
+void PowerButtonControllerDelegateChromeos::RequestLockScreen() {
+  DBusThreadManager::Get()->GetPowerManagerClient()->
+      NotifyScreenLockRequested();
+}
+
+void PowerButtonControllerDelegateChromeos::RequestShutdown() {
+  DBusThreadManager::Get()->GetPowerManagerClient()->RequestShutdown();
+}
+
+}  // namespace chromeos