[Autofill] Add user type metrics.

chrome/browser/autofill/autofill_metrics.cc

 // Copyright (c) 2012 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 "chrome/browser/autofill/autofill_metrics.h"
 
 #include "base/logging.h"
 #include "base/metrics/histogram.h"
 #include "base/time.h"
 #include "chrome/browser/autofill/autofill_type.h"
@@ skipping 307 matching lines @@
 
     case DIALOG_CANCELED:
       suffix = "Cancel";
       break;
   }
 
   LogUMAHistogramLongTimes(prefix + ".UiDuration", duration);
   LogUMAHistogramLongTimes(prefix + ".UiDuration." + suffix, duration);
 }
 
+void AutofillMetrics::LogDialogInitialUserState(
+    autofill::DialogType dialog_type,
+    DialogInitialUserStateMetric user_type) const {
+  std::string name = GetPrefixForDialogType(dialog_type) + ".InitialUserState";
+  LogUMAHistogramEnumeration(
+      name, user_type, NUM_DIALOG_INITIAL_USER_STATE_METRICS);
+}
+
 void AutofillMetrics::LogWalletErrorMetric(autofill::DialogType dialog_type,
                                            WalletErrorMetric metric) const {
   std::string name = GetPrefixForDialogType(dialog_type) + ".WalletErrors";
   LogUMAHistogramEnumeration(name, metric, NUM_WALLET_ERROR_METRICS);
 }
 
 void AutofillMetrics::LogWalletRequiredAction(
       autofill::DialogType dialog_type,
       WalletRequiredAction required_action) const {
   std::string name =
@@ skipping 136 matching lines @@
 
 void AutofillMetrics::LogServerExperimentIdForQuery(
     const std::string& experiment_id) const {
   LogServerExperimentId("Autofill.ServerExperimentId.Query", experiment_id);
 }
 
 void AutofillMetrics::LogServerExperimentIdForUpload(
     const std::string& experiment_id) const {
   LogServerExperimentId("Autofill.ServerExperimentId.Upload", experiment_id);
 }