mash: Convert system tray logout button to wm common types

ash/common/system/chromeos/session/tray_session_length_limit.h

 // Copyright 2014 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 ASH_SYSTEM_CHROMEOS_SESSION_SESSION_LENGTH_LIMIT_H_
-#define ASH_SYSTEM_CHROMEOS_SESSION_SESSION_LENGTH_LIMIT_H_
+#ifndef ASH_COMMON_SYSTEM_CHROMEOS_SESSION_TRAY_SESSION_LENGTH_LIMIT_H_
+#define ASH_COMMON_SYSTEM_CHROMEOS_SESSION_TRAY_SESSION_LENGTH_LIMIT_H_
 
 #include <memory>
 
 #include "ash/common/system/chromeos/session/session_length_limit_observer.h"
 #include "ash/common/system/tray/system_tray_item.h"
 #include "base/macros.h"
 #include "base/strings/string16.h"
 #include "base/time/time.h"
 #include "base/timer/timer.h"
 
@@ skipping 48 matching lines @@
   LimitState last_limit_state_;  // State of last notification update.
 
   LabelTrayView* tray_bubble_view_;
   std::unique_ptr<base::RepeatingTimer> timer_;
 
   DISALLOW_COPY_AND_ASSIGN(TraySessionLengthLimit);
 };
 
 }  // namespace ash
 
-#endif  // ASH_SYSTEM_CHROMEOS_SESSION_SESSION_LENGTH_LIMIT_H_
+#endif  // ASH_COMMON_SYSTEM_CHROMEOS_SESSION_TRAY_SESSION_LENGTH_LIMIT_H_