chromeos: Move device shutdown handling out of chrome into ash

ash/common/shutdown_controller.cc

Index: ash/common/shutdown_controller.cc
diff --git a/ash/common/shutdown_controller.cc b/ash/common/shutdown_controller.cc
new file mode 100644
index 0000000000000000000000000000000000000000..3d72a75789709a1909738cfcef2cf0dd2a450ff1
--- /dev/null
+++ b/ash/common/shutdown_controller.cc
@@ -0,0 +1,48 @@
+// 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.
+
+#include "ash/common/shutdown_controller.h"
+
+#include "ash/common/shell_delegate.h"
+#include "ash/common/wm_shell.h"
+
+#if defined(OS_CHROMEOS)
+#include "base/sys_info.h"
+#include "chromeos/dbus/dbus_thread_manager.h"
+#include "chromeos/dbus/power_manager_client.h"
+#endif
+
+using chromeos::DBusThreadManager;
+
+namespace ash {
+
+ShutdownController::ShutdownController() {}
+
+ShutdownController::~ShutdownController() {}
+
+void ShutdownController::ShutdownOrReboot() {
+#if defined(OS_CHROMEOS)
+  if (base::SysInfo::IsRunningOnChromeOS()) {
+    // Power manager handles shutdown on Chrome OS hardware.
+    if (reboot_on_shutdown_)
+      DBusThreadManager::Get()->GetPowerManagerClient()->RequestRestart();
+    else
+      DBusThreadManager::Get()->GetPowerManagerClient()->RequestShutdown();
+    return;
+  }
+#endif  // defined(OS_CHROMEOS)
+
+  // On Windows and on Linux desktop just exit.
+  WmShell::Get()->delegate()->Exit();
+}
+
+void ShutdownController::SetRebootOnShutdown(bool reboot_on_shutdown) {
+  reboot_on_shutdown_ = reboot_on_shutdown;
+}
+
+void ShutdownController::BindRequest(mojom::ShutdownControllerRequest request) {
+  bindings_.AddBinding(this, std::move(request));
+}
+
+}  // namespace ash