Remove support for the keygen tag

chrome/browser/ui/crypto_module_password_dialog.h

 // 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.
 
 #ifndef CHROME_BROWSER_UI_CRYPTO_MODULE_PASSWORD_DIALOG_H_
 #define CHROME_BROWSER_UI_CRYPTO_MODULE_PASSWORD_DIALOG_H_
 
 #include <string>
 
 #include "base/callback.h"
 #include "ui/gfx/native_widget_types.h"
 
 namespace chrome {
 
 // An enum to describe the reason for the password request.
 enum CryptoModulePasswordReason {
-  kCryptoModulePasswordKeygen,
   kCryptoModulePasswordCertEnrollment,
   kCryptoModulePasswordClientAuth,
   kCryptoModulePasswordListCerts,
   kCryptoModulePasswordCertImport,
   kCryptoModulePasswordCertExport,
 };
 
 typedef base::Callback<void(const std::string&)> CryptoModulePasswordCallback;
 
 // Display a dialog, prompting the user to authenticate to unlock
 // |module|. |reason| describes the purpose of the authentication and
 // affects the message displayed in the dialog. |hostname| is the hostname
 // of the server which requested the access.
 void ShowCryptoModulePasswordDialog(
     const std::string& module_name,
     bool retry,
     CryptoModulePasswordReason reason,
     const std::string& hostname,
     gfx::NativeWindow parent,
     const CryptoModulePasswordCallback& callback);
 
 }  // namespace chrome
 
 #endif  // CHROME_BROWSER_UI_CRYPTO_MODULE_PASSWORD_DIALOG_H_