From 9a4b847b7e8f97c64808b3fa09d74b90af7b5704 Mon Sep 17 00:00:00 2001
From: wolfbeast <mcwerewolf@wolfbeast.com>
Date: Thu, 18 Jul 2019 18:39:06 +0200
Subject: [PATCH] Consider domain when deciding on inner window reuse.

---
 dom/base/nsGlobalWindow.cpp | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/dom/base/nsGlobalWindow.cpp b/dom/base/nsGlobalWindow.cpp
index f9126f4da7..7895ce6131 100644
--- a/dom/base/nsGlobalWindow.cpp
+++ b/dom/base/nsGlobalWindow.cpp
@@ -2504,8 +2504,7 @@ nsGlobalWindow::WouldReuseInnerWindow(nsIDocument* aNewDocument)
   }
 
   bool equal;
-  if (NS_SUCCEEDED(mDoc->NodePrincipal()->Equals(aNewDocument->NodePrincipal(),
-                                                 &equal)) &&
+  if (NS_SUCCEEDED(mDoc->NodePrincipal()->EqualsConsideringDomain(aNewDocument->NodePrincipal(), &equal)) &&
       equal) {
     // The origin is the same.
     return true;