The secret to this chocolate chip pizza is the cake mix topping. It gives it that dough-like texture. It's topped with a generous sprinkle of sugar which gives it a crunchy top. You want to bake it until that sugar melts.
Preheat oven to 400 degrees and lightly spray a 15"x10" pan with cooking spray.
Press the pizza dough into the pan extending 1/2 inch up the sides. Prick with a fork to prevent bubbles.
Bake for 3-4 minutes.
While crust is baking mix granulated sugar and brown sugar in a small bowl. Set aside.
Remove crust from oven. Mix the butter and cake mix together and sprinkle over the crust leaving a 1/2 inch margin on the sides. Press together gently.
Sprinkle with chocolate chips and press chips into the cake mix gently.
Evenly distribute the sugar mixture on top being careful to not sprinkle it on the pizza dough edges.
Bake for 7-12 minutes on an upper level rack in the oven. You want the sugar on top to melt creating a crust without cooking the crust on the bottom too much.
Remove from the oven and let cool slightly before serving.