[Autofill] Implement Autofill Assistant infobar for iOS

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 3a73533e5943c1c60c15d5acbad6f9c6f41adc49..db9712ab9b78b14f824fd589fe8bedebcedbe9d0 100644
--- a/components/autofill/core/browser/credit_card.h
+++ b/components/autofill/core/browser/credit_card.h
@@ -65,14 +65,8 @@ class CreditCard : public AutofillDataModel {
   // The user-visible type of the card, e.g. 'Mastercard'.
   static base::string16 TypeForDisplay(const std::string& type);
 
-// This method is not compiled on iOS because the resources are not used and
-// should not be shipped.
-// TODO(jdonnelly): Use credit card issuer images on iOS.
-// http://crbug.com/535784
-#if !defined(OS_IOS)
   // The ResourceBundle ID for the appropriate credit card image.
   static int IconResourceId(const std::string& type);
-#endif  // #if !defined(OS_IOS)
 
   // Returns the internal representation of credit card type corresponding to
   // the given |number|.  The credit card type is determined purely according to