- Revision 3570342: /woocommerce-payments/trunk/includes/express-checkout

• ..
• class-wc-payments-express-checkout-ajax-handler.php
• class-wc-payments-express-checkout-button-display-handler.php
• class-wc-payments-express-checkout-button-handler.php
• class-wc-payments-express-checkout-button-helper.php