ABANDONED: mash: Move shell delegate interfaces to ash/common

ash/common/session/session_types.h

Index: ash/common/session/session_types.h
diff --git a/ash/session/session_types.h b/ash/common/session/session_types.h
similarity index 72%
rename from ash/session/session_types.h
rename to ash/common/session/session_types.h
index c04a0109be338fffc2017da8eaf80204ab039aa9..22604d12735f7efca9914304bce787b9925cb989 100644
--- a/ash/session/session_types.h
+++ b/ash/common/session/session_types.h
@@ -2,8 +2,8 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-#ifndef ASH_SESSION_SESSION_TYPES_H_
-#define ASH_SESSION_SESSION_TYPES_H_
+#ifndef ASH_COMMON_SESSION_SESSION_TYPES_H_
+#define ASH_COMMON_SESSION_SESSION_TYPES_H_
 
 namespace ash {
 
@@ -13,4 +13,4 @@ using UserIndex = int;
 
 }  // namespace ash
 
-#endif  // ASH_SESSION_SESSION_TYPES_H_
+#endif  // ASH_COMMON_SESSION_SESSION_TYPES_H_