From d3252e0eb11a40b1abeacca290934d0fc8baeb40 Mon Sep 17 00:00:00 2001
From: Ryohei Ikegami <iofg2100@gmail.com>
Date: Tue, 21 Mar 2017 16:09:53 +0900
Subject: [PATCH] Reuse existing event

---
 lib/browser/guest-window-manager.js | 13 ++++---------
 1 file changed, 4 insertions(+), 9 deletions(-)

diff --git a/lib/browser/guest-window-manager.js b/lib/browser/guest-window-manager.js
index c75e33882395..a9c9e20a36f7 100644
--- a/lib/browser/guest-window-manager.js
+++ b/lib/browser/guest-window-manager.js
@@ -242,18 +242,13 @@ ipcMain.on('ELECTRON_GUEST_WINDOW_MANAGER_INTERNAL_WINDOW_OPEN', function (event
                                                                   disposition, options,
                                                                   additionalFeatures, postData) {
   options = mergeBrowserWindowOptions(event.sender, options)
-  const newWindowEvent = {
-    preventDefault: function () {
-      this.defaultPrevented = true
-    }
-  }
-  event.sender.emit('new-window', newWindowEvent, url, frameName, disposition, options, additionalFeatures)
-  const newGuest = newWindowEvent.newGuest
-  if ((event.sender.isGuest() && !event.sender.allowPopups) || newWindowEvent.defaultPrevented) {
+  event.sender.emit('new-window', event, url, frameName, disposition, options, additionalFeatures)
+  const newGuest = event.newGuest
+  if ((event.sender.isGuest() && !event.sender.allowPopups) || event.defaultPrevented) {
     if (newGuest !== undefined && newGuest !== null) {
+      event.defaultPrevented = false
       event.returnValue = setupGuest(event.sender, frameName, newGuest, options)
     } else {
-      event.preventDefault()
       event.returnValue = null
     }
   } else {