Mac: implement <keygen> support, including adding generated cert to the Keychain.

chrome/chrome_browser.gypi

 # Copyright (c) 2010 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.
 
 {
   'targets': [
     {
       'target_name': 'browser',
       'type': '<(library)',
       'msvs_guid': '5BF908A7-68FB-4A4B-99E3-8C749F1FE4EA',
@@ skipping 1714 matching lines @@
         'browser/shell_integration_mac.mm',
         'browser/shell_integration_linux.cc',
         'browser/shell_integration_win.cc',
         'browser/spellcheck_host.cc',
         'browser/spellcheck_host.h',
         'browser/spellchecker_common.h',
         'browser/spellchecker_linux.cc',
         'browser/spellchecker_mac.mm',
         'browser/spellchecker_platform_engine.h',
         'browser/spellchecker_win.cc',
+        'browser/ssl/ssl_add_cert_handler.cc',
+        'browser/ssl/ssl_add_cert_handler.h',
+        'browser/ssl/ssl_add_cert_handler_mac.mm',
         'browser/ssl/ssl_blocking_page.cc',
         'browser/ssl/ssl_blocking_page.h',
         'browser/ssl/ssl_cert_error_handler.cc',
         'browser/ssl/ssl_cert_error_handler.h',
         'browser/ssl/ssl_client_auth_handler.cc',
         'browser/ssl/ssl_client_auth_handler_mac.mm',
         'browser/ssl/ssl_client_auth_handler_win.cc',
         'browser/ssl/ssl_client_auth_handler_gtk.cc',
         'browser/ssl/ssl_client_auth_handler.h',
         'browser/ssl/ssl_error_handler.cc',
@@ skipping 1073 matching lines @@
       ],
     },
   ],
 }
 
 # Local Variables:
 # tab-width:2
 # indent-tabs-mode:nil
 # End:
 # vim: set expandtab tabstop=2 shiftwidth=2: