[Autofill] Distinguish between native field types and potentially HTML field types.

components/autofill/core/browser/email_field.cc

Index: components/autofill/core/browser/email_field.cc
diff --git a/components/autofill/core/browser/email_field.cc b/components/autofill/core/browser/email_field.cc
index 7162c901a5884ce83f47c4dfef79716126e46a8c..053ecec3c832af58f8f5250bbcbeeaa9accdb157 100644
--- a/components/autofill/core/browser/email_field.cc
+++ b/components/autofill/core/browser/email_field.cc
@@ -25,7 +25,7 @@ FormField* EmailField::Parse(AutofillScanner* scanner) {
 EmailField::EmailField(const AutofillField* field) : field_(field) {
 }
 
-bool EmailField::ClassifyField(FieldTypeMap* map) const {
+bool EmailField::ClassifyField(ServerFieldTypeMap* map) const {
   return AddClassification(field_, EMAIL_ADDRESS, map);
 }