diff options
| -rw-r--r-- | dom/xbl/nsXBLBinding.cpp | 12 |
1 files changed, 11 insertions, 1 deletions
diff --git a/dom/xbl/nsXBLBinding.cpp b/dom/xbl/nsXBLBinding.cpp index 6ae17c4c0..d9a2aacc5 100644 --- a/dom/xbl/nsXBLBinding.cpp +++ b/dom/xbl/nsXBLBinding.cpp @@ -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; } |