Cast Extensions API: Major namespace and object renaming

chrome/renderer/resources/extensions/webrtc_cast_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.
-
-var binding = require('binding').Binding.create('webrtc.castUdpTransport');
-var webrtc = requireNative('webrtc_natives');
-
-binding.registerCustomHook(function(bindingsAPI, extensionId) {
-  var apiFunctions = bindingsAPI.apiFunctions;
-
-  apiFunctions.setHandleRequest('destroy', function(transportId) {
-    webrtc.DestroyCastUdpTransport(transportId);
-  });
-  apiFunctions.setHandleRequest('start',
-    function(transportId, remoteParams) {
-      webrtc.StartCastUdpTransport(transportId, remoteParams);
-  });
-});
-
-exports.binding = binding.generate();