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

components/autofill/core/browser/autofill_data_util.h

 // 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_AUTOFILL_CORE_BROWSER_AUTOFILL_DATA_UTIL_H_
 #define COMPONENTS_AUTOFILL_CORE_BROWSER_AUTOFILL_DATA_UTIL_H_
 
 #include "base/strings/string16.h"
 #include "components/autofill/core/browser/autofill_profile.h"
+#include "grit/components_scaled_resources.h"
 
 namespace autofill {
 namespace data_util {
 
 struct NameParts {
   base::string16 given;
   base::string16 middle;
   base::string16 family;
 };
 
+// Mapping from Chrome card types to Payment Request API basic card payment spec
+// types and icons. Note that "generic" is not in the spec.
+// https://w3c.github.io/webpayments-methods-card/#method-id
+const struct PaymentRequestData {
+  const char* card_type;
+  const char* basic_card_payment_type;
+  const int icon_resource_id;
+} kPaymentRequestData[]{

[Evan Stade, 2016/08/29 20:34:06]

seems like this should be in the .cc file rather than .h

[Justin Donnelly, 2016/08/30 15:21:25]

Done.

+    {"genericCC", "generic", IDR_AUTOFILL_PR_GENERIC},
+

[Evan Stade, 2016/08/29 20:34:06]

is this blank line intentional? seems weird

[Justin Donnelly, 2016/08/30 15:21:25]

Removed (it made sense to me that it separated the special generic value, but I
removed that value).

+    {"americanExpressCC", "amex", IDR_AUTOFILL_PR_AMEX},
+    {"dinersCC", "diners", IDR_AUTOFILL_PR_DINERS},
+    {"discoverCC", "discover", IDR_AUTOFILL_PR_DISCOVER},
+    {"jcbCC", "jcb", IDR_AUTOFILL_PR_JCB},
+    {"masterCardCC", "mastercard", IDR_AUTOFILL_PR_MASTERCARD},
+    {"unionPayCC", "unionpay", IDR_AUTOFILL_PR_UNIONPAY},
+    {"visaCC", "visa", IDR_AUTOFILL_PR_VISA},
+};
+
 // Returns true if |name| looks like a CJK name (or some kind of mish-mash of
 // the three, at least).
 bool IsCJKName(const base::string16& name);
 
 // TODO(crbug.com/586510): Investigate the use of app_locale to do better name
 // splitting.
 // Returns the different name parts (given, middle and family names) of the full
 // |name| passed as a parameter.
 NameParts SplitName(const base::string16& name);
 
 // Concatenates the name parts together in the correct order (based on script),
 // and returns the result.
 base::string16 JoinNameParts(const base::string16& given,
                              const base::string16& middle,
                              const base::string16& family);
 
 // Returns true iff |full_name| is a concatenation of some combination of the
 // first/middle/last (incl. middle initial) in |profile|.
 bool ProfileMatchesFullName(const base::string16 full_name,
                             const autofill::AutofillProfile& profile);
 
+// Returns the Payment Request API basic card payment spec data for the provided
+// autofill credit card |type|.  Will set the type and the icon to "generic" for
+// any unrecognized type.
+const PaymentRequestData& GetPaymentRequestData(const std::string& type);
+
+// Returns the autofill credit card type string for the provided Payment Request
+// API basic card payment spec |type|.
+const char* GetCardTypeForBasicCardPaymentType(const std::string& type);
+
 }  // namespace data_util
 }  // namespace autofill
 
 #endif  // COMPONENTS_AUTOFILL_CORE_BROWSER_AUTOFILL_DATA_UTIL_H_