Add LogoutConfirmationController to show LogoutConfirmationDialogs

ash/system/session/tray_session_length_limit.h

Index: ash/system/session/tray_session_length_limit.h
diff --git a/ash/system/session_length_limit/tray_session_length_limit.h b/ash/system/session/tray_session_length_limit.h
similarity index 86%
rename from ash/system/session_length_limit/tray_session_length_limit.h
rename to ash/system/session/tray_session_length_limit.h
index 6fcd76ef45a9720fab291d5b45b64a73f1d5e33b..d44cfd31db02d5e943012b2737ecb5c711f16b6e 100644
--- a/ash/system/session_length_limit/tray_session_length_limit.h
+++ b/ash/system/session/tray_session_length_limit.h
@@ -2,10 +2,10 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-#ifndef ASH_SYSTEM_SESSION_LENGTH_LIMIT_TRAY_SESSION_LENGTH_LIMIT_H_
-#define ASH_SYSTEM_SESSION_LENGTH_LIMIT_TRAY_SESSION_LENGTH_LIMIT_H_
+#ifndef ASH_SYSTEM_SESSION_SESSION_LENGTH_LIMIT_H_
+#define ASH_SYSTEM_SESSION_SESSION_LENGTH_LIMIT_H_
 
-#include "ash/system/session_length_limit/session_length_limit_observer.h"
+#include "ash/system/session/session_length_limit_observer.h"
 #include "ash/system/tray/system_tray_item.h"
 #include "base/basictypes.h"
 #include "base/compiler_specific.h"
@@ -74,4 +74,4 @@ class ASH_EXPORT TraySessionLengthLimit : public SystemTrayItem,
 }  // namespace internal
 }  // namespace ash
 
-#endif  // ASH_SYSTEM_SESSION_LENGTH_LIMIT_TRAY_SESSION_LENGTH_LIMIT_H_
+#endif  // ASH_SYSTEM_SESSION_TRAY_SESSION_LENGTH_LIMIT_H_