[Autofill] Quality metric based on autocomplete attributes.

components/autofill/core/browser/form_structure.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_FORM_STRUCTURE_H_
 #define COMPONENTS_AUTOFILL_CORE_BROWSER_FORM_STRUCTURE_H_
 
 #include <stddef.h>
 
 #include <set>
@@ skipping 114 matching lines @@
   // indicates whether this method is called as a result of observing a
   // submission event (otherwise, it may be that an upload was triggered after
   // a form was unfocused or a navigation occurred).
   void LogQualityMetrics(const base::TimeTicks& load_time,
                          const base::TimeTicks& interaction_time,
                          const base::TimeTicks& submission_time,
                          rappor::RapporService* rappor_service,
                          bool did_show_suggestions,
                          bool observed_submission) const;
 
+  // Log the quality of the heuristics and server predictions for this form
+  // structure, if autocomplete attributes are present on the fields (they are
+  // used as golden truths).
+  void LogQualityMetricsBasedOnAutocomplete() const;
+
   // Classifies each field in |fields_| based upon its |autocomplete| attribute,
   // if the attribute is available.  The association is stored into the field's
   // |heuristic_type|.
   // Fills |has_author_specified_types_| with |true| if the attribute is
   // available and neither empty nor set to the special values "on" or "off" for
   // at least one field.
   // Fills |has_author_specified_sections_| with |true| if the attribute
   // specifies a section for at least one field.
   void ParseFieldTypesFromAutocompleteAttributes();
 
@@ skipping 165 matching lines @@
 
   // True if all form fields are password fields.
   bool all_fields_are_passwords_;
 
   DISALLOW_COPY_AND_ASSIGN(FormStructure);
 };
 
 }  // namespace autofill
 
 #endif  // COMPONENTS_AUTOFILL_CORE_BROWSER_FORM_STRUCTURE_H_