Remove the last of the TLS fallback code.

components/error_page/common/localized_error.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/error_page/common/localized_error.h"
 
 #include <stddef.h>
 
 #include <utility>
 
@@ skipping 269 matching lines @@
    IDS_ERRORPAGES_SUMMARY_BLOCKED_BY_ADMINISTRATOR,
    SUGGEST_CONTACT_ADMINISTRATOR,
    SHOW_NO_BUTTONS,
   },
   {net::ERR_BLOCKED_ENROLLMENT_CHECK_PENDING,
    IDS_ERRORPAGES_HEADING_INTERNET_DISCONNECTED,
    IDS_ERRORPAGES_SUMMARY_BLOCKED_ENROLLMENT_CHECK_PENDING,
    SUGGEST_COMPLETE_SETUP,
    SHOW_NO_BUTTONS,
   },
-  {net::ERR_SSL_FALLBACK_BEYOND_MINIMUM_VERSION,
-   IDS_ERRORPAGES_HEADING_INSECURE_CONNECTION,
-   IDS_ERRORPAGES_SUMMARY_INVALID_RESPONSE,
-   SUGGEST_NONE,
-   SHOW_NO_BUTTONS,
-  },
   {net::ERR_SSL_VERSION_OR_CIPHER_MISMATCH,
    IDS_ERRORPAGES_HEADING_INSECURE_CONNECTION,
    IDS_ERRORPAGES_SUMMARY_SSL_VERSION_OR_CIPHER_MISMATCH,
    SUGGEST_UNSUPPORTED_CIPHER,
    SHOW_NO_BUTTONS,
   },
   {net::ERR_SSL_OBSOLETE_CIPHER,
    IDS_ERRORPAGES_HEADING_INSECURE_CONNECTION,
    IDS_ERRORPAGES_SUMMARY_SSL_VERSION_OR_CIPHER_MISMATCH,
    SUGGEST_UNSUPPORTED_CIPHER,
@@ skipping 711 matching lines @@
 
 bool LocalizedError::HasStrings(const std::string& error_domain,
                                 int error_code) {
   // Whether or not the there are strings for an error does not depend on
   // whether or not the page was be generated by a POST, so just claim it was
   // not.
   return LookupErrorMap(error_domain, error_code, /*is_post=*/false) != nullptr;
 }
 
 }  // namespace error_page