Heat oil in a large skillet over medium-high heat. Add pineapple and onion; sauté 10 minutes or until lightly browned. Add tomato and garlic; sauté 1 minute. Stir in pineapple juice, brown sugar, vinegar, chiles, and adobo sauce. Cook 6 minutes, stirring occasionally. Stir in cilantro, fresh lime juice, and salt. Cool.