[Autofill] Add credit card first and last name heuristics predictions.

components/autofill/core/browser/field_types.h

Index: components/autofill/core/browser/field_types.h
diff --git a/components/autofill/core/browser/field_types.h b/components/autofill/core/browser/field_types.h
index a3787e076ec2d8d8a6e97b1ac360494775a7164a..63cf7901eecd4c732f5b631c7d319f44f212bbbe 100644
--- a/components/autofill/core/browser/field_types.h
+++ b/components/autofill/core/browser/field_types.h
@@ -149,10 +149,14 @@ enum ServerFieldType {
   PROBABLY_NEW_PASSWORD = 89,
   NOT_NEW_PASSWORD = 90,
 
+  // Additional field types for credit card fields.
+  CREDIT_CARD_NAME_FIRST = 91,
+  CREDIT_CARD_NAME_LAST = 92,
+
   // No new types can be added without a corresponding change to the Autofill

[Mathieu, 2016/02/12 20:53:30]

Please investigate what it would need on the server side.

[sebsg, 2016/02/24 18:49:44]

The CL on the server side has been submitted. In the CL the new types are not
uploaded. I added a TODO but there is another TODO blocking it.

   // server.
 
-  MAX_VALID_FIELD_TYPE = 91,
+  MAX_VALID_FIELD_TYPE = 93,
 };
 
 // The list of all HTML autocomplete field type hints supported by Chrome.