[Autofill] Add user type metrics.

components/autofill/browser/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 "components/autofill/browser/autofill_metrics.h"
 
 #include "base/logging.h"
 #include "base/metrics/histogram.h"
 #include "base/time.h"
 #include "components/autofill/browser/autofill_type.h"
@@ skipping 278 matching lines @@
   UMA_HISTOGRAM_ENUMERATION("Autocheckout.Bubble", metric, NUM_BUBBLE_METRICS);
 }
 
 void AutofillMetrics::LogCreditCardInfoBarMetric(InfoBarMetric metric) const {
   DCHECK_LT(metric, NUM_INFO_BAR_METRICS);
 
   UMA_HISTOGRAM_ENUMERATION("Autofill.CreditCardInfoBar", metric,
                             NUM_INFO_BAR_METRICS);
 }
 
+void AutofillMetrics::LogDialogInitialUserState(
+    autofill::DialogType dialog_type,
+    DialogInitialUserStateMetric user_type) const {

[Dan Beam, 2013/03/12 14:59:32]

DCHECK_NE(UNKNOWN_TYPE, user_type);

[Ilya Sherman, 2013/03/12 20:51:27]

This DCHECK wouldn't be valid, since it's possible that none of the Wallet
requests succeeded.

+  std::string name = GetPrefixForDialogType(dialog_type) + ".InitialUserState";
+  LogUMAHistogramEnumeration(
+      name, user_type, NUM_DIALOG_INITIAL_USER_STATE_METRICS);
+}
+
 void AutofillMetrics::LogDialogSecurityMetric(
     autofill::DialogType dialog_type,
     DialogSecurityMetric metric) const {
   std::string name = GetPrefixForDialogType(dialog_type) + ".Security";
   LogUMAHistogramEnumeration(name, metric, NUM_DIALOG_SECURITY_METRICS);
 }
 
 void AutofillMetrics::LogDialogUiDuration(
     const base::TimeDelta& duration,
     autofill::DialogType dialog_type,
@@ skipping 149 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);
 }