Merge 53276 - AutoFill Empty profiles should not be saved from AutoFillDialog...

chrome/browser/autofill/credit_card.cc

Index: chrome/browser/autofill/credit_card.cc
===================================================================
--- chrome/browser/autofill/credit_card.cc	(revision 54215)
+++ chrome/browser/autofill/credit_card.cc	(working copy)
@@ -306,6 +306,7 @@
 }
 
 // Use the Luhn formula to validate the number.
+// static
 bool CreditCard::IsCreditCardNumber(const string16& text) {
   string16 number;
   RemoveChars(text, kCreditCardSeparators.c_str(), &number);
@@ -330,6 +331,13 @@
   return (sum % 10) == 0;
 }
 
+bool CreditCard::IsEmpty() const {
+  FieldTypeSet types;
+  GetAvailableFieldTypes(&types);
+  return types.empty() && billing_address().empty();
+}
+
+
 string16 CreditCard::ExpirationMonthAsString() const {
   if (expiration_month_ == 0)
     return string16();