From bbbae3ba323c19a1ed0275def129e64914e313e3 Mon Sep 17 00:00:00 2001
From: janekptacijarabaci <janekptacijarabaci@seznam.cz>
Date: Sat, 5 Aug 2017 11:18:00 +0200
Subject: [PATCH] [minor fix] Throws an information in the Browser Console

---
 dom/base/WindowNamedPropertiesHandler.cpp | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/dom/base/WindowNamedPropertiesHandler.cpp b/dom/base/WindowNamedPropertiesHandler.cpp
index ac9b0025b2..a2402e9dd6 100644
--- a/dom/base/WindowNamedPropertiesHandler.cpp
+++ b/dom/base/WindowNamedPropertiesHandler.cpp
@@ -96,6 +96,10 @@ WindowNamedPropertiesHandler::getOwnPropDescriptor(JSContext* aCx,
     return false;
   }
 
+  if (str.IsEmpty()) {
+    return true;
+  }
+
   // Grab the DOM window.
   JS::Rooted<JSObject*> global(aCx, JS_GetGlobalForObject(aCx, aProxy));
   nsGlobalWindow* win = xpc::WindowOrNull(global);