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

components/password_manager/core/browser/password_autofill_manager.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/password_manager/core/browser/password_autofill_manager.h"
 
 #include <stddef.h>
 
 #include <algorithm>
 #include <vector>
@@ skipping 274 matching lines @@
     return;
   bool success =
       PreviewSuggestion(form_data_key_, GetUsernameFromSuggestion(value));
   DCHECK(success);
 }
 
 void PasswordAutofillManager::DidAcceptSuggestion(const base::string16& value,
                                                   int identifier,
                                                   int position) {
   if (identifier == autofill::POPUP_ITEM_ID_HTTP_NOT_SECURE_WARNING_MESSAGE) {
+    metrics_util::LogShowedHttpNotSecureExplanation();
     autofill_client_->ShowHttpNotSecureExplanation();
   } else {
     bool success =
         FillSuggestion(form_data_key_, GetUsernameFromSuggestion(value));
     DCHECK(success);
   }
   autofill_client_->HideAutofillPopup();
 }
 
 bool PasswordAutofillManager::GetDeletionConfirmationText(
@@ skipping 68 matching lines @@
     autofill::PasswordFormFillData* found_password) {
   LoginToPasswordInfoMap::iterator iter = login_to_password_info_.find(key);
   if (iter == login_to_password_info_.end())
     return false;
 
   *found_password = iter->second;
   return true;
 }
 
 }  //  namespace password_manager