[Extensions] Convert APIs to use movable types [4]

chrome/common/extensions/api/enterprise_device_attributes.idl

 // Copyright 2015 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 // Use the <code>chrome.enterprise.deviceAttributes</code> API to read device
 // attributes.
-namespace enterprise.deviceAttributes {
+[use_movable_types=true] namespace enterprise.deviceAttributes {
   callback GetDirectoryDeviceIdCallback = void (DOMString deviceId);
 
   interface Functions {
     // Fetches the value of
     // <a href="https://developers.google.com/admin-sdk/directory/v1/guides/manage-chrome-devices">the device identifier of the directory API</a>,
     // that is generated by the server and identifies the cloud record of the
     // device for querying in the cloud directory API.
     // |callback| : Called with the device identifier of the directory API when
     // received.
     void getDirectoryDeviceId(GetDirectoryDeviceIdCallback callback);
   };
 
 };