Add "save credit card info?" infobar for Autofill....

chrome/browser/autofill/personal_data_manager.cc

Index: chrome/browser/autofill/personal_data_manager.cc
===================================================================
--- chrome/browser/autofill/personal_data_manager.cc	(revision 51878)
+++ chrome/browser/autofill/personal_data_manager.cc	(working copy)
@@ -212,6 +212,9 @@
 
     // We always save imported profiles.
     SaveImportedProfile();
+
+    // We never save an imported credit card at this point. If there was one we
+    // found, we'll be asked to save it later once the user gives their OK.
   }
 
   return true;
@@ -645,3 +648,7 @@
 
   SetProfiles(&profiles);
 }
+
+void PersonalDataManager::SaveImportedCreditCard() {
+  // http://crbug.com/47428
+}