determineRevalidationPolicy  622 Source/core/fetch/ResourceFetcher.cpp     const RevalidationPolicy policy = determineRevalidationPolicy(type, request.mutableResourceRequest(), request.forPreload(), resource.get(), request.defer(), request.options());
determineRevalidationPolicy  174 Source/core/fetch/ResourceFetcher.h     RevalidationPolicy determineRevalidationPolicy(Resource::Type, ResourceRequest&, bool forPreload, Resource* existingResource, FetchRequest::DeferOption, const ResourceLoaderOptions&) const;