Combine first 4 ingredients in a small bowl. Trim fat from steak. Place steak in an electric slow cooker; add chili sauce mixture, turning the steak to coat. Cover with lid, and cook on high-heat setting for 1 hour. Reduce heat setting to low; cook for 9 hours.
Combine the onions, cilantro, and jalapeño pepper in a food processor, and pulse 5 times or until finely chopped. Add 1 tablespoon lime juice, cumin, and cranberry-raspberry crushed fruit, and process until smooth. Spoon mixture into a bowl; cover and chill.
Remove steak from slow cooker, discarding the cooking liquid. Shred steak. Warm tortillas according to package directions. Spread about 1 1/2 tablespoons salsa over each tortilla. Spoon about 1/2 cup shredded steak down center of each tortilla; roll up.