chromeos: Move device shutdown handling out of chrome into ash

chrome/browser/chromeos/settings/shutdown_policy_forwarder.h

+// Copyright 2016 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.
+
+#ifndef CHROME_BROWSER_CHROMEOS_SETTINGS_SHUTDOWN_POLICY_FORWARDER_H_
+#define CHROME_BROWSER_CHROMEOS_SETTINGS_SHUTDOWN_POLICY_FORWARDER_H_
+
+#include "base/macros.h"
+#include "chrome/browser/chromeos/settings/shutdown_policy_handler.h"
+
+namespace chromeos {
+
+// Forwards the current DeviceRebootOnShutdown policy to ash.
+class ShutdownPolicyForwarder : public ShutdownPolicyHandler::Delegate {
+ public:
+  ShutdownPolicyForwarder();
+  ~ShutdownPolicyForwarder() override;
+
+ private:
+  // ShutdownPolicyHandler::Delegate:
+  void OnShutdownPolicyChanged(bool reboot_on_shutdown) override;
+
+  ShutdownPolicyHandler shutdown_policy_handler_;
+
+  DISALLOW_COPY_AND_ASSIGN(ShutdownPolicyForwarder);
+};
+
+}  // namespace chromeos
+
+#endif  // CHROME_BROWSER_CHROMEOS_SETTINGS_SHUTDOWN_POLICY_FORWARDER_H_