Bug 754044 - Pass stopAtOuter=false in GetWrappedNativeOfJSObject, because that's what we mean. r=mrbkap

js/xpconnect/src/XPCWrappedNative.cpp

@@ -1850,8 +1850,8 @@ return_tearoff:
 
         // Unwrap any wrapper wrappers.
         JSObject *unsafeObj = cx
-                              ? XPCWrapper::Unwrap(cx, cur)
-                              : XPCWrapper::UnsafeUnwrapSecurityWrapper(cur);
+                              ? XPCWrapper::Unwrap(cx, cur, /* stopAtOuter = */ false)
+                              : js::UnwrapObject(cur, /* stopAtOuter = */ false);
         if (unsafeObj) {
             obj = unsafeObj;
             goto restart;