French Silk Pie Bars

1 cup all-purpose flour
1/2 cup unsalted butter, melted
1/4 cup granulated sugar
1/4 teaspoon salt
1 cup semisweet chocolate chips
1/2 cup unsalted butter, softened
3/4 cup granulated sugar
1 teaspoon vanilla extract
3 large eggs
1 cup heavy whipping cream
2 tablespoons powdered sugar