[Extensions] Convert APIs to use movable types [3]

chrome/common/extensions/api/cast_streaming_udp_transport.idl

 // Copyright 2013 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.
 
 // The <code>chrome.webrtc.castUdpTransport</code> API represents a UDP
 // transport for Cast RTP streams. This API is not useful when standalone
 // since it does not have send and receive methods.
 // It is used to configure the UDP transport used in Cast session.
 //
 // Valid transport IDs are positive and non-zero.
-namespace cast.streaming.udpTransport {
+[use_movable_types=true]namespace cast.streaming.udpTransport {
   // The UDP socket address and port.
   dictionary IPEndPoint {
     DOMString address;
     long port;
   };
 
   interface Functions {
     // Destroys a UDP transport.
     // |transportId| : The transport ID.
     [nocompile] static void destroy(long transportId);
@@ skipping 11 matching lines @@
     // experimentation. Must be called before setDestination.
     // |transportId| : The transport ID that is created by
     // chrome.cast.streaming.session.create().
     // |options| : A dictionary of key-value pairs of options.
     // See media/cast/net/cast_transport_sender_impl.h for supported
     // options.
     [nocompile] static void setOptions(long transportId,
                                        object options);
   };
 };