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Bug 1450688. r=bz, a=RyanVM

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MozReview-Commit-ID: 4KHNpxiziWd

--HG--
extra : source : 008cc230b68fa2bf349923159b4a6e07768e56e5
extra : intermediate-source : 983ff6a90aae872383d52d5189396a47f3db7d17
This commit is contained in:
Kris Maglione 2018-05-15 16:01:36 -07:00 • committed by Roy Tam
commit 537b363cbc
1 changed files with 11 additions and 1 deletions
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12
dom/xbl/nsXBLBinding.cpp
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@ -1014,7 +1014,17 @@ nsXBLBinding::DoInitJSClass(JSContext *cx,
NS_ENSURE_TRUE(xblScope, NS_ERROR_UNEXPECTED);
JS::Rooted<JSObject*> parent_proto(cx);
if (!JS_GetPrototype(cx, obj, &parent_proto)) {
{
JS::RootedObject wrapped(cx, obj);
JSAutoCompartment ac(cx, xblScope);
if (!JS_WrapObject(cx, &wrapped)) {
return NS_ERROR_FAILURE;
}
if (!JS_GetPrototype(cx, wrapped, &parent_proto)) {
return NS_ERROR_FAILURE;
}
}
if (!JS_WrapObject(cx, &parent_proto)) {
return NS_ERROR_FAILURE;
}