Use SSLPrivateKey for testing client authentication

net/net.gyp

 # Copyright 2013 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,
     # Enables BidirectionalStream; Used in cronet, disabled by default.
     'enable_bidirectional_stream%': 0,
@@ skipping 246 matching lines @@
             'cert_net/nss_ocsp_unittest.cc',
           ],
         }],
         [ 'use_openssl==1', {
             'sources!': [
               'quic/test_tools/crypto_test_utils_nss.cc',
             ],
           }, {  # else !use_openssl: remove the unneeded files and pull in NSS.
             'sources!': [
               'quic/test_tools/crypto_test_utils_openssl.cc',
-              'socket/ssl_client_socket_openssl_unittest.cc',
               'ssl/ssl_client_session_cache_openssl_unittest.cc',
             ],
           },
         ],
         [ 'use_openssl_certs == 0', {
             'sources!': [
               'ssl/openssl_client_key_store_unittest.cc',
             ],
         }],
         [ 'enable_websockets != 1', {
@@ skipping 1441 matching lines @@
             '../build/isolate.gypi',
           ],
           'sources': [
             'net_unittests.isolate',
           ],
         },
       ],
     }],
   ],
 }