[Extensions Bindings] Don't allow `event` module with native bindings

extensions/renderer/resources/app_runtime_custom_bindings.js

Index: extensions/renderer/resources/app_runtime_custom_bindings.js
diff --git a/extensions/renderer/resources/app_runtime_custom_bindings.js b/extensions/renderer/resources/app_runtime_custom_bindings.js
index f40f44df7df2c7837981a1bd0bda8f4b69f2acea..751a55a8749833af4790c632400b1d67609003dc 100644
--- a/extensions/renderer/resources/app_runtime_custom_bindings.js
+++ b/extensions/renderer/resources/app_runtime_custom_bindings.js
@@ -10,13 +10,15 @@ var AppViewGuestInternal =
     getInternalApi ?
         getInternalApi('appViewGuestInternal') :
         require('binding').Binding.create('appViewGuestInternal').generate();
-var eventBindings = require('event_bindings');
+var registerArgumentMassager = bindingUtil ?
+    bindingUtil.registerEventArgumentMassager.bind(bindingUtil) :

[jbroman, 2017/06/12 15:09:49]

Do we need to use $Function.bind here?

[Devlin, 2017/06/12 20:30:14]

Done.

+    require('event_bindings').registerArgumentMassager;
 var fileSystemHelpers = requireNative('file_system_natives');
 var GetIsolatedFileSystem = fileSystemHelpers.GetIsolatedFileSystem;
 var entryIdManager = require('entryIdManager');
 
-eventBindings.registerArgumentMassager('app.runtime.onEmbedRequested',
-    function(args, dispatch) {
+registerArgumentMassager('app.runtime.onEmbedRequested',
+                         function(args, dispatch) {
   var appEmbeddingRequest = args[0];
   var id = appEmbeddingRequest.guestInstanceId;
   delete appEmbeddingRequest.guestInstanceId;
@@ -31,8 +33,7 @@ eventBindings.registerArgumentMassager('app.runtime.onEmbedRequested',
   dispatch([appEmbeddingRequest]);
 });
 
-eventBindings.registerArgumentMassager('app.runtime.onLaunched',
-    function(args, dispatch) {
+registerArgumentMassager('app.runtime.onLaunched', function(args, dispatch) {
   var launchData = args[0];
   if (launchData.items) {
     // An onLaunched corresponding to file_handlers in the app's manifest.