Shepherd and golden retriever perhaps. Or more than likely a mix of several breeds (shepherd, chow, retriever, husky, beagle, rottweiler).

Keep in mind a black spot doesn't necessarily mean chow or shar pei. Purebreds of all kinds can have black spots on their tongues. I've seen it in many different breeds. Its kinda like the white chest and feet that can show up on all breeds, because they all have the gene that creates this when it defaults, but makes people think they are mixed.