[Payments] Move PaymentMethodData to components/payments/core

components/payments/core/BUILD.gn

Index: components/payments/core/BUILD.gn
diff --git a/components/payments/core/BUILD.gn b/components/payments/core/BUILD.gn
index f6bf9239bea9137be2bae1cc02afb36a678c135c..5d7fa695acf0d8fef4aa821d2fbb2020111c77f5 100644
--- a/components/payments/core/BUILD.gn
+++ b/components/payments/core/BUILD.gn
@@ -18,6 +18,8 @@ static_library("core") {
     "payment_address.h",
     "payment_instrument.cc",
     "payment_instrument.h",
+    "payment_method_data.cc",
+    "payment_method_data.h",
     "payment_options_provider.h",
     "payment_request_data_util.cc",
     "payment_request_data_util.h",
@@ -41,6 +43,7 @@ source_set("unit_tests") {
     "basic_card_response_unittest.cc",
     "currency_formatter_unittest.cc",
     "payment_address_unittest.cc",
+    "payment_method_data_unittest.cc",
     "payment_request_data_util_unittest.cc",
   ]