Http Bad: Add "Learn more" sublabel to warning message and make it clickable

components/autofill/core/browser/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/autofill/core/browser/autofill_manager.h"
 
 #include <stddef.h>
 #include <stdint.h>
 
 #include <algorithm>
@@ skipping 172 matching lines @@
          type == CREDIT_CARD_EXP_DATE_4_DIGIT_YEAR;
 }
 
 // Create http bad warning message at the top of autofill popup list showing
 // "Payment not secure" when users are on http sites or broken https sites.
 Suggestion CreateHttpWarningMessageSuggestionItem(const GURL& source_url) {
   Suggestion cc_field_http_warning_suggestion(
       l10n_util::GetStringUTF16(IDS_AUTOFILL_CREDIT_CARD_HTTP_WARNING_MESSAGE));
   cc_field_http_warning_suggestion.frontend_id =
       POPUP_ITEM_ID_HTTP_NOT_SECURE_WARNING_MESSAGE;
+  cc_field_http_warning_suggestion.label =
+      l10n_util::GetStringUTF16(IDS_AUTOFILL_HTTP_WARNING_LEARN_MORE);
   cc_field_http_warning_suggestion.icon =
       (source_url.is_valid() && source_url.SchemeIs("http"))
           ? base::ASCIIToUTF16("httpWarning")
           : base::ASCIIToUTF16("httpsInvalid");
 
   return cc_field_http_warning_suggestion;
 }
 
 }  // namespace
 
@@ skipping 1913 matching lines @@
     if (i > 0)
       fputs("Next oldest form:\n", file);
   }
   fputs("\n", file);
 
   fclose(file);
 }
 #endif  // ENABLE_FORM_DEBUG_DUMP
 
 }  // namespace autofill