Add support for method selection in the Payment Request UI on iOS.

components/autofill/core/browser/autofill_data_util.cc

 // 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.
 
 #include "components/autofill/core/browser/autofill_data_util.h"
 
 #include <algorithm>
 #include <vector>
 
 #include "base/i18n/char_iterator.h"
@@ skipping 365 matching lines @@
   // LastFirst
   candidate = profile.GetRawInfo(autofill::NAME_LAST) +
               profile.GetRawInfo(autofill::NAME_FIRST);
   if (!full_name.compare(candidate)) {
     return true;
   }
 
   return false;
 }
 
+const PaymentRequestData& GetPaymentRequestData(const std::string& type) {
+  for (size_t i = 0; i < arraysize(kPaymentRequestData); ++i) {
+    if (type == kPaymentRequestData[i].card_type)
+      return kPaymentRequestData[i];
+  }
+  return kPaymentRequestData[0];
+}
+
+const char* GetCardTypeForBasicCardPaymentType(
+    const std::string& basic_card_payment_type) {
+  for (size_t i = 0; i < arraysize(kPaymentRequestData); ++i) {
+    if (basic_card_payment_type ==
+        kPaymentRequestData[i].basic_card_payment_type)
+      return kPaymentRequestData[i].card_type;
+  }
+  return kPaymentRequestData[0].card_type;
+}
+
 }  // namespace data_util
 }  // namespace autofill