[Autofill] Parse forms that have autocomplete attributes.

components/autofill/core/browser/autofill_type.cc

Index: components/autofill/core/browser/autofill_type.cc
diff --git a/components/autofill/core/browser/autofill_type.cc b/components/autofill/core/browser/autofill_type.cc
index c0266ec44b2371782199ae22e737a66f93ed7232..71d49558bc902404652a1743e157f1ffd61b0782 100644
--- a/components/autofill/core/browser/autofill_type.cc
+++ b/components/autofill/core/browser/autofill_type.cc
@@ -9,8 +9,7 @@
 namespace autofill {
 
 AutofillType::AutofillType(ServerFieldType field_type)
-    : html_type_(HTML_TYPE_UNKNOWN),
-      html_mode_(HTML_MODE_NONE) {
+    : html_type_(HTML_TYPE_UNSPECIFIED), html_mode_(HTML_MODE_NONE) {
   if ((field_type < NO_SERVER_DATA || field_type >= MAX_VALID_FIELD_TYPE) ||
       (field_type >= 15 && field_type <= 19) ||
       (field_type >= 25 && field_type <= 29) ||
@@ -201,7 +200,8 @@ FieldTypeGroup AutofillType::group() const {
     case HTML_TYPE_EMAIL:
       return EMAIL;
 
-    case HTML_TYPE_UNKNOWN:
+    case HTML_TYPE_UNSPECIFIED:
+    case HTML_TYPE_UNRECOGNIZED:
       break;
   }
 
@@ -209,7 +209,8 @@ FieldTypeGroup AutofillType::group() const {
 }
 
 bool AutofillType::IsUnknown() const {
-  return server_type_ == UNKNOWN_TYPE && html_type_ == HTML_TYPE_UNKNOWN;
+  return server_type_ == UNKNOWN_TYPE && (html_type_ == HTML_TYPE_UNSPECIFIED ||
+                                          html_type_ == HTML_TYPE_UNRECOGNIZED);
 }
 
 ServerFieldType AutofillType::GetStorableType() const {
@@ -289,7 +290,7 @@ ServerFieldType AutofillType::GetStorableType() const {
   }
 
   switch (html_type_) {
-    case HTML_TYPE_UNKNOWN:
+    case HTML_TYPE_UNSPECIFIED:
       return UNKNOWN_TYPE;
 
     case HTML_TYPE_NAME:
@@ -399,6 +400,9 @@ ServerFieldType AutofillType::GetStorableType() const {
     case HTML_TYPE_TRANSACTION_AMOUNT:
     case HTML_TYPE_TRANSACTION_CURRENCY:
       return UNKNOWN_TYPE;
+
+    case HTML_TYPE_UNRECOGNIZED:
+      return UNKNOWN_TYPE;
   }
 
   NOTREACHED();
@@ -636,7 +640,7 @@ std::string AutofillType::ToString() const {
   }
 
   switch (html_type_) {
-    case HTML_TYPE_UNKNOWN:
+    case HTML_TYPE_UNSPECIFIED:
       NOTREACHED();
       break;
     case HTML_TYPE_NAME:
@@ -715,6 +719,8 @@ std::string AutofillType::ToString() const {
       return "HTML_TRANSACTION_AMOUNT";
     case HTML_TYPE_TRANSACTION_CURRENCY:
       return "HTML_TRANSACTION_CURRENCY";
+    case HTML_TYPE_UNRECOGNIZED:
+      return "HTML_TYPE_UNRECOGNIZED";
   }
 
   NOTREACHED();