[Reland][Extensions Bindings] Add support for filtered events

extensions/renderer/resources/guest_view/guest_view_events.js

 // Copyright 2015 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.
 
 // Event management for GuestViewContainers.
 
 var EventBindings = require('event_bindings');
 var GuestViewInternalNatives = requireNative('guest_view_internal');
 var MessagingNatives = requireNative('messaging_natives');
 
 var EventBindings;
 var CreateEvent = function(name) {
+  if (bindingUtil) {
+    return bindingUtil.createCustomEvent(name, null,
+                                         true /* supportsFilters */);
+  }
   var eventOpts = {supportsListeners: true, supportsFilters: true};
-  if (bindingUtil)
-    return bindingUtil.createCustomEvent(name, null, eventOpts);
   if (!EventBindings)
     EventBindings = require('event_bindings');
   return new EventBindings.Event(name, undefined, eventOpts);
 };
 
 function GuestViewEvents(view) {
   view.events = this;
 
   this.view = view;
   this.on = {};
@@ skipping 154 matching lines @@
     return $Function.apply(func, view.events, $Array.slice(arguments));
   };
 };
 
 // Implemented by the derived event manager, if one exists.
 GuestViewEvents.prototype.getEvents = function() { return {}; };
 
 // Exports.
 exports.$set('GuestViewEvents', GuestViewEvents);
 exports.$set('CreateEvent', CreateEvent);