[Autofill] Quality metric based on autocomplete attributes.

components/autofill/core/browser/autofill_metrics.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_METRICS_H_
 #define COMPONENTS_AUTOFILL_CORE_BROWSER_AUTOFILL_METRICS_H_
 
 #include <stddef.h>
 #include <string>
 
@@ skipping 241 matching lines @@
   // metrics are logged for each fillable field in a submitted form: for
   // the heuristic prediction, for the crowd-sourced prediction, and for the
   // overall prediction.
   enum FieldTypeQualityMetric {
     TYPE_UNKNOWN = 0,  // Offered no prediction.
     TYPE_MATCH,        // Predicted correctly.
     TYPE_MISMATCH,     // Predicted incorrectly.
     NUM_FIELD_TYPE_QUALITY_METRICS,
   };
 
+  enum QualityMetricType {
+    TYPE_SUBMISSION = 0,      // Logged based on user's submitted data.
+    TYPE_NO_SUBMISSION,       // Logged based on user's entered data.
+    TYPE_AUTOCOMPLETE_BASED,  // Logged based on the value of autocomplete attr.
+    NUM_QUALITY_METRIC_TYPES,
+  };
+
   // Each of these is logged at most once per query to the server, which in turn
   // occurs at most once per page load.
   enum ServerQueryMetric {
     QUERY_SENT = 0,           // Sent a query to the server.
     QUERY_RESPONSE_RECEIVED,  // Received a response.
     QUERY_RESPONSE_PARSED,    // Successfully parsed the server response.
 
     // The response was parseable, but provided no improvements relative to our
     // heuristics.
     QUERY_RESPONSE_MATCHED_LOCAL_HEURISTICS,
@@ skipping 242 matching lines @@
   // the time elapsed between launching the credit card scanner and getting back
   // the result. |completed| should be true if a credit card was scanned, false
   // if the scan was cancelled.
   static void LogScanCreditCardCompleted(const base::TimeDelta& duration,
                                          bool completed);
 
   static void LogDeveloperEngagementMetric(DeveloperEngagementMetric metric);
 
   static void LogHeuristicTypePrediction(FieldTypeQualityMetric metric,
                                          ServerFieldType field_type,
-                                         bool observed_submission);
+                                         QualityMetricType metric_type);
   static void LogOverallTypePrediction(FieldTypeQualityMetric metric,
                                        ServerFieldType field_type,
-                                       bool observed_submission);
+                                       QualityMetricType metric_type);
   static void LogServerTypePrediction(FieldTypeQualityMetric metric,
                                       ServerFieldType field_type,
-                                      bool observed_submission);
+                                      QualityMetricType metric_type);
 
   static void LogServerQueryMetric(ServerQueryMetric metric);
 
   static void LogUserHappinessMetric(UserHappinessMetric metric);
 
   // Logs |event| to the unmask prompt events histogram.
   static void LogUnmaskPromptEvent(UnmaskPromptEvent event);
 
   // Logs the time elapsed between the unmask prompt being shown and it
   // being closed.
@@ skipping 139 matching lines @@
     bool logged_suggestion_filled_was_masked_server_card_;
   };
 
  private:
   DISALLOW_IMPLICIT_CONSTRUCTORS(AutofillMetrics);
 };
 
 }  // namespace autofill
 
 #endif  // COMPONENTS_AUTOFILL_CORE_BROWSER_AUTOFILL_METRICS_H_