Added the 'internal' flag for guestview event info.

extensions/renderer/resources/guest_view/web_view/web_view_events.js

 // Copyright 2014 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 WebView.
 
 var CreateEvent = require('guestViewEvents').CreateEvent;
 var DeclarativeWebRequestSchema =
     requireNative('schema_registry').GetSchema('declarativeWebRequest');
 var EventBindings = require('event_bindings');
@@ skipping 50 matching lines @@
       'searchText',
       'numberOfMatches',
       'activeMatchOrdinal',
       'selectionRect',
       'canceled',
       'finalUpdate'
     ]
   },
   'framenamechanged': {
     evt: CreateEvent('webViewInternal.onFrameNameChanged'),
-    handler: 'handleFrameNameChangedEvent'
+    handler: 'handleFrameNameChangedEvent',
+    internal: true
   },
   'loadabort': {
     cancelable: true,
     evt: CreateEvent('webViewInternal.onLoadAbort'),
     fields: ['url', 'isTopLevel', 'reason'],
     handler: 'handleLoadAbortEvent'
   },
   'loadcommit': {
     evt: CreateEvent('webViewInternal.onLoadCommit'),
     fields: ['url', 'isTopLevel'],
@@ skipping 189 matching lines @@
   WebRequestMessageEvent.addListener(function() {
     // Re-dispatch to subEvent's listeners.
     $Function.apply(this.dispatch, this, $Array.slice(arguments));
   }.bind(this), {instanceId: opt_webViewInstanceId || 0});
 }
 
 DeclarativeWebRequestEvent.prototype.__proto__ = EventBindings.Event.prototype;
 
 // Exports.
 exports.WebViewEvents = WebViewEvents;