Ensure X509Certificate::OSCertHandles are safe to be used on both UI and IO threads on Win

net/net.gyp

 # Copyright (c) 2011 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': {
     'chromium_code': 1,
 
     'linux_link_kerberos%': 0,
     'conditions': [
@@ skipping 177 matching lines @@
         'base/pem_tokenizer.cc',
         'base/pem_tokenizer.h',
         'base/platform_mime_util.h',
         # TODO(tc): gnome-vfs? xdgmime? /etc/mime.types?
         'base/platform_mime_util_linux.cc',
         'base/platform_mime_util_mac.cc',
         'base/platform_mime_util_win.cc',
         'base/rand_callback.h',
         'base/registry_controlled_domain.cc',
         'base/registry_controlled_domain.h',
-        'base/scoped_cert_chain_context.h',
         'base/sdch_filter.cc',
         'base/sdch_filter.h',
         'base/sdch_manager.cc',
         'base/sdch_manager.h',
         'base/single_request_host_resolver.cc',
         'base/single_request_host_resolver.h',
         'base/ssl_cert_request_info.cc',
         'base/ssl_cert_request_info.h',
         'base/ssl_cipher_suite_names.cc',
         'base/ssl_cipher_suite_names.h',
@@ skipping 1416 matching lines @@
             'tools/dump_cache/url_to_filename_encoder.cc',
             'tools/dump_cache/url_to_filename_encoder.h',
             'tools/dump_cache/url_utilities.h',
             'tools/dump_cache/url_utilities.cc',
           ],
         },
       ],
     }],
   ],
 }