Add a counter for clicking on Form-Not-Secure warnings

components/password_manager/core/browser/password_manager_metrics_util.cc

 // Copyright 2014 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/password_manager/core/browser/password_manager_metrics_util.h"
 
 #include "base/macros.h"
 #include "base/metrics/histogram_macros.h"
+#include "base/metrics/user_metrics.h"
 #include "base/numerics/safe_conversions.h"
 #include "base/rand_util.h"
 #include "base/strings/string_number_conversions.h"
 #include "base/strings/string_util.h"
 #include "base/time/time.h"
 #include "base/values.h"
 #include "components/password_manager/core/common/password_manager_pref_names.h"
 #include "components/prefs/pref_service.h"
 #include "components/prefs/scoped_user_pref_update.h"
 #include "url/gurl.h"
@@ skipping 123 matching lines @@
   UMA_HISTOGRAM_COUNTS_1000("PasswordManager.PasswordReuse.TotalPasswords",
                             saved_passwords);
   UMA_HISTOGRAM_COUNTS_1000("PasswordManager.PasswordReuse.NumberOfMatches",
                             number_matches);
   UMA_HISTOGRAM_ENUMERATION(
       "PasswordManager.PasswordReuse.PasswordFieldDetected",
       password_field_detected ? HAS_PASSWORD_FIELD : NO_PASSWORD_FIELD,
       PASSWORD_REUSE_PASSWORD_FIELD_DETECTED_COUNT);
 }
 
+void LogShowedHttpNotSecureExplanation() {
+  base::RecordAction(base::UserMetricsAction(
+      "PasswordManager_ShowedHttpNotSecureExplanation"));
+}
+
 }  // namespace metrics_util
 
 }  // namespace password_manager