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

ash/system/settings/tray_settings.h

Index: ash/system/settings/tray_settings.h
diff --git a/ash/common/system/chromeos/settings/tray_settings.h b/ash/system/settings/tray_settings.h
similarity index 81%
rename from ash/common/system/chromeos/settings/tray_settings.h
rename to ash/system/settings/tray_settings.h
index 974856c3eb91642fb7c02c7727d849a33a218530..8d016567cb46d03ff11b8e89bf0403f4a6a03eff 100644
--- a/ash/common/system/chromeos/settings/tray_settings.h
+++ b/ash/system/settings/tray_settings.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_COMMON_SYSTEM_CHROMEOS_SETTINGS_TRAY_SETTINGS_H_
-#define ASH_COMMON_SYSTEM_CHROMEOS_SETTINGS_TRAY_SETTINGS_H_
+#ifndef ASH_SYSTEM_SETTINGS_TRAY_SETTINGS_H_
+#define ASH_SYSTEM_SETTINGS_TRAY_SETTINGS_H_
 
-#include "ash/common/system/tray/system_tray_item.h"
+#include "ash/system/tray/system_tray_item.h"
 #include "base/macros.h"
 
 namespace ash {
@@ -37,4 +37,4 @@ class TraySettings : public SystemTrayItem {
 
 }  // namespace ash
 
-#endif  // ASH_COMMON_SYSTEM_CHROMEOS_SETTINGS_TRAY_SETTINGS_H_
+#endif  // ASH_SYSTEM_SETTINGS_TRAY_SETTINGS_H_