Add support for autofilling radio buttons and checkboxes.

chrome/browser/autofill/field_types.h

Index: chrome/browser/autofill/field_types.h
diff --git a/chrome/browser/autofill/field_types.h b/chrome/browser/autofill/field_types.h
index 832b94a0cb0a47999026379aad85cdb66902e771..d45f1aacefd8b119fa0a5bc7fa4f686a1761cc7f 100644
--- a/chrome/browser/autofill/field_types.h
+++ b/chrome/browser/autofill/field_types.h
@@ -6,6 +6,7 @@
 #define CHROME_BROWSER_AUTOFILL_FIELD_TYPES_H_
 
 #include <set>
+#include <string>
 
 // NOTE: This list MUST not be modified.  The server aggregates and stores these
 // types over several versions, so we must remain fully compatible with the
@@ -77,9 +78,12 @@ enum AutofillFieldType {
 
   COMPANY_NAME = 60,
 
+  // Generic type whose default value is known.
+  FIELD_WITH_DEFAULT_VALUE = 61,
+
   // No new types can be added.
 
-  MAX_VALID_FIELD_TYPE = 61,
+  MAX_VALID_FIELD_TYPE = 62,
 };
 
 typedef std::set<AutofillFieldType> FieldTypeSet;