Add custom interstitial for captive portals.

chrome/chrome_browser.gypi

 # Copyright 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.
 
 {
   'variables': {
     # All .cc, .h, .m, and .mm files under browser except for:
     # * tests and mocks.
     # * code below browser/chromeos
     # * code below browser/extensions
@@ skipping 1171 matching lines @@
       'browser/speech/tts_mac.mm',
       'browser/speech/tts_platform.cc',
       'browser/speech/tts_platform.h',
       'browser/speech/tts_message_filter.cc',
       'browser/speech/tts_message_filter.h',
       'browser/speech/tts_win.cc',
       'browser/ssl/chrome_ssl_host_state_delegate.cc',
       'browser/ssl/chrome_ssl_host_state_delegate.h',
       'browser/ssl/chrome_ssl_host_state_delegate_factory.cc',
       'browser/ssl/chrome_ssl_host_state_delegate_factory.h',
+      'browser/ssl/captive_portal_blocking_page.cc',
+      'browser/ssl/captive_portal_blocking_page.h',
       'browser/ssl/ssl_blocking_page.cc',
       'browser/ssl/ssl_blocking_page.h',
       'browser/ssl/ssl_client_certificate_selector.h',
       'browser/ssl/ssl_error_info.cc',
       'browser/ssl/ssl_error_info.h',
       'browser/ssl/ssl_error_classification.cc',
       'browser/ssl/ssl_error_classification.h',
+      'browser/ssl/ssl_error_handler.cc',
+      'browser/ssl/ssl_error_handler.h',
       'browser/status_icons/status_icon.cc',
       'browser/status_icons/status_icon.h',
       'browser/status_icons/status_icon_menu_model.cc',
       'browser/status_icons/status_icon_menu_model.h',
       'browser/status_icons/status_icon_observer.h',
       'browser/status_icons/status_tray.cc',
       'browser/status_icons/status_tray.h',
       'browser/sync/about_sync_util.cc',
       'browser/sync/about_sync_util.h',
       'browser/sync/backend_migrator.cc',
@@ skipping 2408 matching lines @@
           'variables': {
             'proto_in_dir': 'browser/sync_file_system/drive_backend',
             'proto_out_dir': 'chrome/browser/sync_file_system/drive_backend',
           },
           'includes': [ '../build/protoc.gypi' ]
         },
       ],
     },],
   ],
 }