[Autofill] Quality metric based on autocomplete attributes.

components/autofill/core/browser/autofill_metrics.cc

 // 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.
 
 #include "components/autofill/core/browser/autofill_metrics.h"
 
 #include <algorithm>
 
 #include "base/logging.h"
 #include "base/metrics/histogram_macros.h"
@@ skipping 196 matching lines @@
           base::TimeDelta::FromMilliseconds(1),
           base::TimeDelta::FromHours(1),
           50,
           base::HistogramBase::kUmaTargetedHistogramFlag);
   histogram->AddTime(duration);
 }
 
 // Logs a type quality metric.  The primary histogram name is constructed based
 // on |base_name|.  The field-specific histogram name also factors in the
 // |field_type|.  Logs a sample of |metric|, which should be in the range
-// [0, |num_possible_metrics|).
+// [0, |num_possible_metrics|). May log a suffixed version of the metric
+// depending on |metric_type|.
 void LogTypeQualityMetric(const std::string& base_name,
                           AutofillMetrics::FieldTypeQualityMetric metric,
                           ServerFieldType field_type,
-                          bool observed_submission) {
+                          AutofillMetrics::QualityMetricType metric_type) {
   DCHECK_LT(metric, AutofillMetrics::NUM_FIELD_TYPE_QUALITY_METRICS);
 
-  const std::string suffix(observed_submission ? "" : ".NoSubmission");
+  std::string suffix;
+  switch (metric_type) {
+    case AutofillMetrics::TYPE_SUBMISSION:
+      break;
+    case AutofillMetrics::TYPE_NO_SUBMISSION:
+      suffix = ".NoSubmission";
+      break;
+    case AutofillMetrics::TYPE_AUTOCOMPLETE_BASED:
+      suffix = ".BasedOnAutocomplete";
+      break;
+    default:
+      NOTREACHED();
+  }
   LogUMAHistogramEnumeration(base_name + suffix, metric,
                              AutofillMetrics::NUM_FIELD_TYPE_QUALITY_METRICS);
 
   int field_type_group_metric = GetFieldTypeGroupMetric(field_type, metric);
   int num_field_type_group_metrics =
       AutofillMetrics::NUM_FIELD_TYPE_QUALITY_METRICS *
       NUM_FIELD_TYPE_GROUPS_FOR_METRICS;
   LogUMAHistogramEnumeration(base_name + ".ByFieldType" + suffix,
                              field_type_group_metric,
                              num_field_type_group_metrics);
@@ skipping 166 matching lines @@
 
 // static
 void AutofillMetrics::LogDeveloperEngagementMetric(
     DeveloperEngagementMetric metric) {
   DCHECK_LT(metric, NUM_DEVELOPER_ENGAGEMENT_METRICS);
   UMA_HISTOGRAM_ENUMERATION("Autofill.DeveloperEngagement", metric,
                             NUM_DEVELOPER_ENGAGEMENT_METRICS);
 }
 
 // static
-void AutofillMetrics::LogHeuristicTypePrediction(FieldTypeQualityMetric metric,
-                                                 ServerFieldType field_type,
-                                                 bool observed_submission) {
+void AutofillMetrics::LogHeuristicTypePrediction(
+    FieldTypeQualityMetric metric,
+    ServerFieldType field_type,
+    QualityMetricType metric_type) {
   LogTypeQualityMetric("Autofill.Quality.HeuristicType", metric, field_type,
-                       observed_submission);
+                       metric_type);
 }
 
 // static
 void AutofillMetrics::LogOverallTypePrediction(FieldTypeQualityMetric metric,
                                                ServerFieldType field_type,
-                                               bool observed_submission) {
+                                               QualityMetricType metric_type) {
   LogTypeQualityMetric("Autofill.Quality.PredictedType", metric, field_type,
-                       observed_submission);
+                       metric_type);
 }
 
 // static
 void AutofillMetrics::LogServerTypePrediction(FieldTypeQualityMetric metric,
                                               ServerFieldType field_type,
-                                              bool observed_submission) {
+                                              QualityMetricType metric_type) {
   LogTypeQualityMetric("Autofill.Quality.ServerType", metric, field_type,
-                       observed_submission);
+                       metric_type);
 }
 
 // static
 void AutofillMetrics::LogServerQueryMetric(ServerQueryMetric metric) {
   DCHECK_LT(metric, NUM_SERVER_QUERY_METRICS);
   UMA_HISTOGRAM_ENUMERATION("Autofill.ServerQueryResponse", metric,
                             NUM_SERVER_QUERY_METRICS);
 }
 
 // static
@@ skipping 312 matching lines @@
   else if (is_server_data_available_ && !is_local_data_available_)
     name += ".WithOnlyServerData";
   else if (!is_server_data_available_ && is_local_data_available_)
     name += ".WithOnlyLocalData";
   else
     name += ".WithBothServerAndLocalData";
   LogUMAHistogramEnumeration(name, event, NUM_FORM_EVENTS);
 }
 
 }  // namespace autofill