pub unsafe fn cross_origin_get_own_property_helper(
    cx: JSContext,
    proxy: HandleObject,
    cross_origin_properties: &'static CrossOriginProperties,
    id: HandleId,
    desc: MutableHandle<PropertyDescriptor>,
    is_none: &mut bool,
) -> bool
Expand description

Implementation of CrossOriginGetOwnPropertyHelper.

cx and proxy are expected to be different-Realm here. proxy is a proxy for a maybe-cross-origin object.