Autofill: Set requirements for number of recognized fields in an autofillable form

components/autofill/core/browser/autofill_manager.h

Index: components/autofill/core/browser/autofill_manager.h
diff --git a/components/autofill/core/browser/autofill_manager.h b/components/autofill/core/browser/autofill_manager.h
index ec9286c4ac8296614ee7a6c364fc60614cee0747..a7b252b50626ce2b12cd907bc9aaff81418571bb 100644
--- a/components/autofill/core/browser/autofill_manager.h
+++ b/components/autofill/core/browser/autofill_manager.h
@@ -140,6 +140,7 @@ class AutofillManager : public AutofillDownloadManager::Observer,
   void SetTestDelegate(AutofillManagerTestDelegate* delegate);
 
   void OnFormsSeen(const std::vector<FormData>& forms,
+                   size_t unowned_form_index,
                    const base::TimeTicks& timestamp);
 
   // Processes the submitted |form|, saving any new Autofill data and uploading
@@ -295,7 +296,8 @@ class AutofillManager : public AutofillDownloadManager::Observer,
       const AutofillType& type) const;
 
   // Parses the forms using heuristic matching and querying the Autofill server.
-  void ParseForms(const std::vector<FormData>& forms);
+  void ParseForms(const std::vector<FormData>& forms,
+                  size_t unowned_form_index);
 
   // Imports the form data, submitted by the user, into |personal_data_|.
   void ImportFormData(const FormStructure& submitted_form);