void JSCSSValueOwner::finalize(JSC::Handle<JSC::Unknown> handle, void* context)
{
    JSCSSValue* jsCSSValue = jsCast<JSCSSValue*>(handle.get().asCell());
    DOMWrapperWorld* world = static_cast<DOMWrapperWorld*>(context);
    world->m_cssValueRoots.remove(jsCSSValue->impl());
    uncacheWrapper(world, jsCSSValue->impl(), jsCSSValue);
    jsCSSValue->releaseImpl();
}