[Extensions] Convert APIs to use movable types [12]

extensions/common/api/mime_handler_private.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.
 
 // Mime handler API.
-[nodoc] namespace mimeHandlerPrivate {
+[nodoc, use_movable_types=true] namespace mimeHandlerPrivate {
   dictionary StreamInfo {
     // The MIME type of the intercepted URL request.
     DOMString mimeType;
 
     // The original URL that was intercepted.
     DOMString originalUrl;
 
     // The URL that the stream can be read from.
     DOMString streamUrl;
 
@@ skipping 15 matching lines @@
   callback GetStreamDetailsCallback = void (StreamInfo streamInfo);
 
   interface Functions {
     // Returns the StreamInfo for the stream for this context if there is one.
     [nocompile] static void getStreamInfo(GetStreamDetailsCallback callback);
 
     // Aborts the stream for this context if there is one.
     [nocompile] static void abortStream(optional AbortCallback callback);
   };
 };