Effective 2015, there will be new "nutrition guidelines" for advertisers of Disney's children's programming, including Disney Channel and Radio Disney. And yes, this also applies for ABC O&O's carrying the network Saturday morning children's programming block, which is outsourced to Litton.
http://www.broadcastingcable.com/article/485530-FTC_Chair_Praises_Disney_for_Food_Marketing_Move.php
http://www.broadcastingcable.com/article/485530-FTC_Chair_Praises_Disney_for_Food_Marketing_Move.php