[Payment Request] Invalidates cached autofill profile after it is updated.

ios/chrome/browser/payments/payment_request.h

Index: ios/chrome/browser/payments/payment_request.h
diff --git a/ios/chrome/browser/payments/payment_request.h b/ios/chrome/browser/payments/payment_request.h
index 8bc25f60ba7fb68e31566c0a114ee33392b78fe8..bbbd8bb8132e13fddae9ea3c2612222e786f864e 100644
--- a/ios/chrome/browser/payments/payment_request.h
+++ b/ios/chrome/browser/payments/payment_request.h
@@ -31,7 +31,7 @@ class CurrencyFormatter;
 // |personal_data_manager| and manages shared resources and user selections for
 // the current PaymentRequest flow. It must be initialized with a non-null
 // instance of |personal_data_manager| that outlives this class.
-class PaymentRequest : payments::PaymentOptionsProvider {
+class PaymentRequest : public payments::PaymentOptionsProvider {
  public:
   // |personal_data_manager| should not be null and should outlive this object.
   PaymentRequest(const web::PaymentRequest& web_payment_request,
@@ -160,6 +160,8 @@ class PaymentRequest : payments::PaymentOptionsProvider {
     return selected_shipping_option_;
   }
 
+  virtual payments::PaymentsProfileComparator* profile_comparator();
+
   // Returns whether the current PaymentRequest can be used to make a payment.
   bool CanMakePayment() const;