Layered component for web payments

components/payments/payment_details_validation.h

Index: components/payments/payment_details_validation.h
diff --git a/components/payments/payment_details_validation.h b/components/payments/payment_details_validation.h
deleted file mode 100644
index 804602c0134c217c54af5c0f8a01f2e6a4edf903..0000000000000000000000000000000000000000
--- a/components/payments/payment_details_validation.h
+++ /dev/null
@@ -1,19 +0,0 @@
-// Copyright 2016 The Chromium Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-#ifndef COMPONENTS_PAYMENTS_PAYMENT_DETAILS_VALIDATION_H_
-#define COMPONENTS_PAYMENTS_PAYMENT_DETAILS_VALIDATION_H_
-
-#include <string>
-
-#include "components/payments/payment_request.mojom.h"
-
-namespace payments {
-
-bool validatePaymentDetails(const mojom::PaymentDetailsPtr& details,
-                            std::string* error_message);
-
-}  // namespace payments
-
-#endif  // COMPONENTS_PAYMENTS_PAYMENT_DETAILS_VALIDATION_H_