Layered component for web payments

components/payments/content/payment_details_validation.cc

Index: components/payments/content/payment_details_validation.cc
diff --git a/components/payments/payment_details_validation.cc b/components/payments/content/payment_details_validation.cc
similarity index 96%
rename from components/payments/payment_details_validation.cc
rename to components/payments/content/payment_details_validation.cc
index 5fce52febfc8f32b98308cd7a6c3eae4601c19d2..3933c1c3337b9d0ef0239913cd2e8abffd476cee 100644
--- a/components/payments/payment_details_validation.cc
+++ b/components/payments/content/payment_details_validation.cc
@@ -2,14 +2,15 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-#include "components/payments/payment_details_validation.h"
+#include "components/payments/content/payment_details_validation.h"
 
 #include <set>
 #include <vector>
 
-#include "components/payments/payment_request.mojom.h"
-#include "components/payments/payments_validators.h"
+#include "components/payments/content/payment_request.mojom.h"
+#include "components/payments/content/payments_validators.h"
 
+namespace payments {
 namespace {
 
 // Validates ShippingOption or PaymentItem, which happen to have identical
@@ -139,8 +140,6 @@ bool validatePaymentDetailsModifiers(
 
 }  // namespace
 
-namespace payments {
-
 bool validatePaymentDetails(const mojom::PaymentDetailsPtr& details,
                             std::string* error_message) {
   if (details->total.is_null()) {