Add ash SessionStateDelegate

chrome/browser/ui/ash/session_state_delegate.h

+// 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.
+
+#ifndef CHROME_BROWSER_UI_ASH_SESSION_STATE_DELEGATE_H_
+#define CHROME_BROWSER_UI_ASH_SESSION_STATE_DELEGATE_H_
+
+#include "ash/session_state_delegate.h"
+#include "base/basictypes.h"
+#include "base/compiler_specific.h"
+
+class SessionStateDelegate : public ash::SessionStateDelegate {
+ public:
+  SessionStateDelegate();
+  virtual ~SessionStateDelegate();
+
+  // ash::SessionStateDelegate:
+  virtual bool HasActiveUser() const OVERRIDE;
+  virtual bool IsActiveUserSessionStarted() const OVERRIDE;
+  virtual bool CanLockScreen() const OVERRIDE;
+  virtual bool IsScreenLocked() const OVERRIDE;
+  virtual void LockScreen() OVERRIDE;
+  virtual void UnlockScreen() OVERRIDE;
+
+ private:
+  DISALLOW_COPY_AND_ASSIGN(SessionStateDelegate);
+};
+
+#endif  // CHROME_BROWSER_UI_ASH_SESSION_STATE_DELEGATE_H_