app/code/Magento/Braintree/etc/adminhtml/system.xml

app/code/Magento/Braintree/view/adminhtml/web/styles.css

...gento/Payment/view/frontend/web/js/view/payment/iframe.js

...Paypal/Block/Adminhtml/System/Config/Fieldset/Payment.php

app/code/Magento/Paypal/Model/Config.php

app/code/Magento/Paypal/Model/Express.php

app/code/Magento/Paypal/Model/Payflow/Transparent.php

app/code/Magento/Paypal/Test/Unit/Model/ExpressTest.php

...agento/Paypal/Test/Unit/Model/Payflow/TransparentTest.php

...Magento/Paypal/etc/adminhtml/system/paypal_payflowpro.xml

app/code/Magento/Paypal/view/adminhtml/web/styles.css

app/code/Magento/Vault/Model/Method/Vault.php

app/code/Magento/Vault/Test/Unit/Model/Method/VaultTest.php

.../Magento/Braintree/Test/Block/System/Config/Braintree.php

...pp/Magento/Paypal/Test/Block/System/Config/PayflowPro.php

...p/Magento/Paypal/Test/Block/System/Config/PaymentsPro.php

...agento/Paypal/Test/TestStep/CheckPayflowProConfigStep.php

...gento/Paypal/Test/TestStep/CheckPaymentsProConfigStep.php

.../Model/Config/Structure/Reader/_files/expected/config.xml