Cast Extensions API: Major namespace and object renaming

chrome/renderer/resources/extensions/cast_streaming_udp_transport_custom_bindings.js

 // 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.
 
-// Custom binding for the webrtc custom transport API.
+// Custom binding for the Cast Streaming UdpTransport API.
 
-var binding = require('binding').Binding.create('webrtc.castUdpTransport');
-var webrtc = requireNative('webrtc_natives');
+var binding = require('binding').Binding.create('cast.streaming.udpTransport');
+var natives = requireNative('cast_streaming_natives');
 
 binding.registerCustomHook(function(bindingsAPI, extensionId) {
   var apiFunctions = bindingsAPI.apiFunctions;
 
   apiFunctions.setHandleRequest('destroy', function(transportId) {
-    webrtc.DestroyCastUdpTransport(transportId);
+    natives.DestroyCastUdpTransport(transportId);
   });
   apiFunctions.setHandleRequest('start',
     function(transportId, remoteParams) {
-      webrtc.StartCastUdpTransport(transportId, remoteParams);
+      natives.StartCastUdpTransport(transportId, remoteParams);
   });
 });
 
 exports.binding = binding.generate();