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

ash/system/bluetooth/tray_bluetooth.h

Index: ash/system/bluetooth/tray_bluetooth.h
diff --git a/ash/common/system/chromeos/bluetooth/tray_bluetooth.h b/ash/system/bluetooth/tray_bluetooth.h
similarity index 78%
rename from ash/common/system/chromeos/bluetooth/tray_bluetooth.h
rename to ash/system/bluetooth/tray_bluetooth.h
index 379671c02018233daecbeb283a873baa33667f4f..223c7946d867b204e9f2d3a16cf9efde450fd178 100644
--- a/ash/common/system/chromeos/bluetooth/tray_bluetooth.h
+++ b/ash/system/bluetooth/tray_bluetooth.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_COMMON_SYSTEM_CHROMEOS_BLUETOOTH_TRAY_BLUETOOTH_H_
-#define ASH_COMMON_SYSTEM_CHROMEOS_BLUETOOTH_TRAY_BLUETOOTH_H_
+#ifndef ASH_SYSTEM_BLUETOOTH_TRAY_BLUETOOTH_H_
+#define ASH_SYSTEM_BLUETOOTH_TRAY_BLUETOOTH_H_
 
-#include "ash/common/system/chromeos/bluetooth/bluetooth_observer.h"
-#include "ash/common/system/tray/system_tray_item.h"
+#include "ash/system/bluetooth/bluetooth_observer.h"
+#include "ash/system/tray/system_tray_item.h"
 #include "base/macros.h"
 
 namespace ash {
@@ -42,4 +42,4 @@ class TrayBluetooth : public SystemTrayItem, public BluetoothObserver {
 
 }  // namespace ash
 
-#endif  // ASH_COMMON_SYSTEM_CHROMEOS_BLUETOOTH_TRAY_BLUETOOTH_H_
+#endif  // ASH_SYSTEM_BLUETOOTH_TRAY_BLUETOOTH_H_