[WebPayments] Add the Payment Method section in the Payment Sheet

components/autofill/core/browser/credit_card.h

Index: components/autofill/core/browser/credit_card.h
diff --git a/components/autofill/core/browser/credit_card.h b/components/autofill/core/browser/credit_card.h
index d0a8a6eee7ee8b3b720d6e44035359baee0be127..48d5e871413a4236de8d376724559d9367a0b4ef 100644
--- a/components/autofill/core/browser/credit_card.h
+++ b/components/autofill/core/browser/credit_card.h
@@ -65,6 +65,10 @@ class CreditCard : public AutofillDataModel {
   // The ResourceBundle ID for the appropriate credit card image.
   static int IconResourceId(const std::string& type);
 
+  // The ResourceBundle ID for the appropriate credit card image in
+  // PaymentRequest.
+  static int PaymentRequestIconResourceId(const std::string& type);
+
   // Returns the internal representation of credit card type corresponding to
   // the given |number|.  The credit card type is determined purely according to
   // the Issuer Identification Number (IIN), a.k.a. the "Bank Identification