chromeos: Move files in //ash/common to //ash, part 1

ash/system/tray/system_tray_item.h

Index: ash/system/tray/system_tray_item.h
diff --git a/ash/common/system/tray/system_tray_item.h b/ash/system/tray/system_tray_item.h
similarity index 97%
rename from ash/common/system/tray/system_tray_item.h
rename to ash/system/tray/system_tray_item.h
index cbf508f7417aae888696252011b353ca0f04dd54..087fb40b18a69cda406e9efc67e67050fec6010c 100644
--- a/ash/common/system/tray/system_tray_item.h
+++ b/ash/system/tray/system_tray_item.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_COMMON_SYSTEM_TRAY_SYSTEM_TRAY_ITEM_H_
-#define ASH_COMMON_SYSTEM_TRAY_SYSTEM_TRAY_ITEM_H_
+#ifndef ASH_SYSTEM_TRAY_SYSTEM_TRAY_ITEM_H_
+#define ASH_SYSTEM_TRAY_SYSTEM_TRAY_ITEM_H_
 
 #include <memory>
 
@@ -156,4 +156,4 @@ class ASH_EXPORT SystemTrayItem {
 
 }  // namespace ash
 
-#endif  // ASH_COMMON_SYSTEM_TRAY_SYSTEM_TRAY_ITEM_H_
+#endif  // ASH_SYSTEM_TRAY_SYSTEM_TRAY_ITEM_H_