From 16cd53bd8d53441cd0829298ddf43b15ba5fa3a8 Mon Sep 17 00:00:00 2001
From: Gaming4JC <g4jc@hyperbola.info>
Date: Fri, 3 Jan 2020 22:20:36 -0500
Subject: Bug 1351979 - Change CustomElementRegistry::Define code to properly
 propagate out JS exceptions;

Tag UXP Issue #1344
---
 dom/base/CustomElementRegistry.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'dom')

diff --git a/dom/base/CustomElementRegistry.cpp b/dom/base/CustomElementRegistry.cpp
index 1ab566e1d..d8ca7ade2 100644
--- a/dom/base/CustomElementRegistry.cpp
+++ b/dom/base/CustomElementRegistry.cpp
@@ -745,7 +745,7 @@ CustomElementRegistry::Define(const nsAString& aName,
       //       here.
       JS::RootedValue rootedv(cx, JS::ObjectValue(*constructorProtoUnwrapped));
       if (!JS_WrapValue(cx, &rootedv) || !callbacksHolder->Init(cx, rootedv)) {
-        aRv.Throw(NS_ERROR_FAILURE);
+        aRv.StealExceptionFromJSContext(cx);
         return;
       }
     } // Leave constructorProtoUnwrapped's compartment.
-- 
cgit v1.2.3