[Extensions] Convert APIs to use movable types [5]

chrome/common/extensions/api/file_system.idl

 // Copyright (c) 2012 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.fileSystem</code> API to create, read, navigate,
 // and write to the user's local file system. With this API, Chrome Apps can
 // read and write to a user-selected location. For example, a text editor app
 // can use the API to read and write local documents. All failures are notified
 // via chrome.runtime.lastError.
-namespace fileSystem {
+[use_movable_types=true] namespace fileSystem {
   dictionary AcceptOption {
     // This is the optional text description for this option. If not present,
     // a description will be automatically generated; typically containing an
     // expanded list of valid extensions (e.g. "text/html" may expand to
     // "*.html, *.htm").
     DOMString? description;
 
     // Mime-types to accept, e.g. "image/jpeg" or "audio/*". One of mimeTypes or
     // extensions must contain at least one valid element.
     DOMString[]? mimeTypes;
@@ skipping 204 matching lines @@
     // Called when a list of available volumes is changed.
     static void onVolumeListChanged(VolumeListChangedEvent event);
 
     // Called when an observed entry is changed.
     [nodoc] static void onEntryChanged(EntryChangedEvent event);
 
     // Called when an observed entry is removed.
     [nodoc] static void onEntryRemoved(EntryRemovedEvent event);
   };
 };