[Extensions Bindings] Remove some modules with native bindings

chrome/renderer/resources/extensions/cast_streaming_session_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 Cast Streaming Session API.
 
-var binding = require('binding').Binding.create('cast.streaming.session');
+var binding = apiBridge ||
+              require('binding').Binding.create('cast.streaming.session');
 var natives = requireNative('cast_streaming_natives');
 
 binding.registerCustomHook(function(bindingsAPI, extensionId) {
   var apiFunctions = bindingsAPI.apiFunctions;
   apiFunctions.setHandleRequest('create',
       function(audioTrack, videoTrack, callback) {
         natives.CreateSession(audioTrack, videoTrack, callback);
   });
 });
 
-exports.$set('binding', binding.generate());
+if (!apiBridge)
+  exports.$set('binding', binding.generate());