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

ash/common/system/tiles/tray_tiles.h

Index: ash/common/system/tiles/tray_tiles.h
diff --git a/ash/system/tiles/tray_tiles.h b/ash/common/system/tiles/tray_tiles.h
similarity index 85%
rename from ash/system/tiles/tray_tiles.h
rename to ash/common/system/tiles/tray_tiles.h
index a1c1f629e69639867808440112c30106ffe47edc..be8bc8bfc96e62668cfd1837a41b42a89a01e30f 100644
--- a/ash/system/tiles/tray_tiles.h
+++ b/ash/common/system/tiles/tray_tiles.h
@@ -2,11 +2,11 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-#ifndef ASH_SYSTEM_TILES_TRAY_TILES_H_
-#define ASH_SYSTEM_TILES_TRAY_TILES_H_
+#ifndef ASH_COMMON_SYSTEM_TILES_TRAY_TILES_H_
+#define ASH_COMMON_SYSTEM_TILES_TRAY_TILES_H_
 
 #include "ash/ash_export.h"
-#include "ash/system/tray/system_tray_item.h"
+#include "ash/common/system/tray/system_tray_item.h"
 #include "base/macros.h"
 
 namespace ash {
@@ -41,4 +41,4 @@ class ASH_EXPORT TrayTiles : public SystemTrayItem {
 
 }  // namespace ash
 
-#endif  // ASH_SYSTEM_TILES_TRAY_TILES_H_
+#endif  // ASH_COMMON_SYSTEM_TILES_TRAY_TILES_H_