[Payments] Return a basic card response

components/payments/core/autofill_payment_instrument.cc

+// Copyright 2017 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.
+
+#include "components/payments/core/autofill_payment_instrument.h"
+
+#include "base/json/json_writer.h"
+#include "base/strings/utf_string_conversions.h"
+#include "base/values.h"
+#include "components/autofill/core/browser/autofill_data_util.h"
+#include "components/payments/core/basic_card_response.h"
+#include "components/payments/core/payment_request_data_util.h"
+
+namespace payments {
+
+AutofillPaymentInstrument::AutofillPaymentInstrument(
+    const std::string& method_name,
+    const autofill::CreditCard& credit_card,
+    const std::vector<autofill::AutofillProfile*>& billing_profiles,
+    const std::string& app_locale)
+    : PaymentInstrument(method_name),
+      credit_card_(credit_card),
+      billing_profiles_(billing_profiles),
+      app_locale_(app_locale) {}
+AutofillPaymentInstrument::~AutofillPaymentInstrument() {}
+
+void AutofillPaymentInstrument::InvokePaymentApp(
+    PaymentInstrument::Delegate* delegate) {
+  DCHECK(delegate);
+  std::string stringified_details;
+  // TODO(mathp): Show the CVC dialog and use the data instead of the
+  // placeholder string.

[please use gerrit instead, 2017/03/08 14:46:09]

FYI, this can be accomplished via FullCardRequest class.

+  std::unique_ptr<base::DictionaryValue> response_value =
+      payments::data_util::GetBasicCardResponseFromAutofillCreditCard(
+          credit_card_, base::ASCIIToUTF16("123"), billing_profiles_,
+          app_locale_)
+          .ToDictionaryValue();
+  base::JSONWriter::Write(*response_value, &stringified_details);
+  delegate->OnInstrumentDetailsReady(method_name(), stringified_details);
+}
+
+}  // namespace payments