I don't even know why this is even up for debate. Both the Prequel Trilogy and the Clone Wars TV series have always done their own thing. They may borrow ideas from the EU and throw in a reference or two, but neither ever let their storytelling be dictated by EU canon. I don't expect the Sequel Trilogy to be any different. Some stories are going to survive. Others are going to get trashed. It will be no different to before. And a dead Chewbacca is one of the first things I expect to get trashed.