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

components/autofill/core/browser/autofill_download.h

 // Copyright 2013 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef COMPONENTS_AUTOFILL_CORE_BROWSER_AUTOFILL_DOWNLOAD_H_
 #define COMPONENTS_AUTOFILL_CORE_BROWSER_AUTOFILL_DOWNLOAD_H_
 
 #include <stddef.h>
 #include <list>
 #include <map>
@@ skipping 64 matching lines @@
 
   // Starts an upload request for the given |form|, unless throttled by the
   // server. The probability of the request going over the wire is
   // GetPositiveUploadRate() if |form_was_autofilled| is true, or
   // GetNegativeUploadRate() otherwise. The observer will be called even if
   // there was no actual trip over the wire.
   // |available_field_types| should contain the types for which we have data
   // stored on the local client.
   bool StartUploadRequest(const FormStructure& form,
                           bool form_was_autofilled,
-                          const FieldTypeSet& available_field_types);
+                          const ServerFieldTypeSet& available_field_types);
 
  private:
   friend class AutofillDownloadTest;
   FRIEND_TEST_ALL_PREFIXES(AutofillDownloadTest, QueryAndUploadTest);
 
   static std::string AutofillRequestTypeToString(const AutofillRequestType);
 
   struct FormRequestData;
   typedef std::list<std::pair<std::string, std::string> > QueryRequestCache;
 
@@ skipping 65 matching lines @@
   double positive_upload_rate_;
   double negative_upload_rate_;
 
   // Needed for unit-test.
   int fetcher_id_for_unittest_;
 };
 
 }  // namespace autofill
 
 #endif  // COMPONENTS_AUTOFILL_CORE_BROWSER_AUTOFILL_DOWNLOAD_H_