ash : Decouple power button controller and session state controller.

chrome/browser/chromeos/power/session_state_controller_delegate_chromeos.h

+// 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.
+
+#ifndef CHROME_BROWSER_CHROMEOS_POWER_SESSION_STATE_CONTROLLER_DELEGATE_CHROMEOS_H_
+#define CHROME_BROWSER_CHROMEOS_POWER_SESSION_STATE_CONTROLLER_DELEGATE_CHROMEOS_H_
+
+#include "ash/wm/session_state_controller.h"
+#include "base/basictypes.h"
+#include "base/compiler_specific.h"
+
+namespace chromeos {
+
+class SessionStateControllerDelegateChromeos
+    : public ash::SessionStateControllerDelegate {
+ public:
+  SessionStateControllerDelegateChromeos() {}
+  virtual ~SessionStateControllerDelegateChromeos() {}
+
+ private:
+  // SessionStateControllerDelegate implementation.
+  virtual void RequestLockScreen() OVERRIDE;
+  virtual void RequestShutdown() OVERRIDE;
+
+  DISALLOW_COPY_AND_ASSIGN(SessionStateControllerDelegateChromeos);
+};
+
+}  // namespace chromeos
+
+#endif  // CHROME_BROWSER_CHROMEOS_POWER_SESSION_STATE_CONTROLLER_DELEGATE_CHROMEOS_H_