Add counters for clicking on Form-Not-Secure warnings

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 645 matching lines @@
   // Log how many profiles were considered for the deduplication process.
   static void LogNumberOfProfilesConsideredForDedupe(size_t num_considered);
 
   // Log how many profiles were removed as part of the deduplication process.
   static void LogNumberOfProfilesRemovedDuringDedupe(size_t num_removed);
 
   // Log whether the Autofill query on a credit card form is made in a secure
   // context.
   static void LogIsQueriedCreditCardFormSecure(bool is_secure);
 
+  // This should be called when the user selects the Form-Not-Secure warning
+  // suggestion to show an explanation of the warning.
+  static void LogShowedHttpNotSecureExplanation();
+
   // Utility to autofill form events in the relevant histograms depending on
   // the presence of server and/or local data.
   class FormEventLogger {
    public:
     FormEventLogger(bool is_for_credit_card);
 
     inline void set_is_server_data_available(bool is_server_data_available) {
       is_server_data_available_ = is_server_data_available;
     }
 
@@ skipping 38 matching lines @@
     FormFieldData last_polled_field_;
   };
 
  private:
   DISALLOW_IMPLICIT_CONSTRUCTORS(AutofillMetrics);
 };
 
 }  // namespace autofill
 
 #endif  // COMPONENTS_AUTOFILL_CORE_BROWSER_AUTOFILL_METRICS_H_