// to never pass an empty creation context.
v8::Handle<v8::Context> context = creationContext.IsEmpty() ? isolate->GetCurrentContext() : creationContext->CreationContext();
- if (!element->isUpgradedCustomElement() || DOMWrapperWorld::isolatedWorld(context))
+ if (!element->isUpgradedCustomElement() || DOMWrapperWorld::world(context)->isIsolatedWorld())
return createUpgradeCandidateWrapper(element.get(), creationContext, isolate, createSpecificWrapper);
V8PerContextData* perContextData = V8PerContextData::from(context);