Spray 4- to 5-quart slow cooker with cooking spray. In cooker, mix broth, enchilada sauce and chiles. Place chicken into enchilada sauce mixture; spoon sauce over chicken.
Cover; cook on Low heat setting 7 to 8 hours.
Remove chicken from cooker with slotted spoon. Stir beans and corn into mixture in cooker. Increase heat setting to High. Cover; cook 5 to 10 minutes longer. Meanwhile, shred chicken by pulling apart with 2 forks; return to cooker. Cook until thoroughly heated.
If desired, top each serving with shredded Mexican cheese blend, chopped fresh cilantro and crushed tortilla chips.