Validate saved credit card number in interactive autocomplete

components/autofill/core/browser/credit_card.cc

Index: components/autofill/core/browser/credit_card.cc
diff --git a/components/autofill/core/browser/credit_card.cc b/components/autofill/core/browser/credit_card.cc
index b63d627c4f4dc943f036cc5088db3f56f07b9354..125879443da737254df5c713e93840c26ce31806 100644
--- a/components/autofill/core/browser/credit_card.cc
+++ b/components/autofill/core/browser/credit_card.cc
@@ -17,6 +17,7 @@
 #include "base/strings/string_split.h"
 #include "base/strings/string_util.h"
 #include "base/strings/utf_string_conversions.h"
+#include "base/time.h"
 #include "components/autofill/core/browser/autofill_field.h"
 #include "components/autofill/core/browser/autofill_regexes.h"
 #include "components/autofill/core/browser/autofill_type.h"
@@ -586,6 +587,12 @@ bool CreditCard::IsComplete() const {
       expiration_year_ != 0;
 }
 
+bool CreditCard::IsValid() const {
+  return autofill::IsValidCreditCardNumber(number_) &&
+         autofill::IsValidCreditCardExpirationDate(
+             expiration_year_, expiration_month_, base::Time::Now());
+}
+
 void CreditCard::GetSupportedTypes(FieldTypeSet* supported_types) const {
   supported_types->insert(CREDIT_CARD_NAME);
   supported_types->insert(CREDIT_CARD_NUMBER);