Fix link error when building component build on OS X with OpenSSL.

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,
     'use_tracing_cache_backend%': 0,
@@ skipping 190 matching lines @@
               'third_party/mozilla_security_manager/nsPKCS12Blob.cpp',
               'third_party/mozilla_security_manager/nsPKCS12Blob.h',
             ],
             'dependencies': [
               '../third_party/openssl/openssl.gyp:openssl',
             ],
           },
           {  # else !use_openssl: remove the unneeded files
             'sources!': [
               'base/crypto_module_openssl.cc',
-              'base/keygen_handler_openssl.cc',
               'cert/ct_log_verifier_openssl.cc',
               'cert/ct_objects_extractor_openssl.cc',
               'cert/jwk_serializer_openssl.cc',
               'cert/x509_util_openssl.cc',
               'cert/x509_util_openssl.h',
               'quic/crypto/aead_base_decrypter_openssl.cc',
               'quic/crypto/aead_base_encrypter_openssl.cc',
               'quic/crypto/aes_128_gcm_12_decrypter_openssl.cc',
               'quic/crypto/aes_128_gcm_12_encrypter_openssl.cc',
               'quic/crypto/chacha20_poly1305_decrypter_openssl.cc',
               'quic/crypto/chacha20_poly1305_encrypter_openssl.cc',
               'quic/crypto/channel_id_openssl.cc',
               'quic/crypto/p256_key_exchange_openssl.cc',
               'quic/crypto/scoped_evp_aead_ctx.cc',
               'quic/crypto/scoped_evp_aead_ctx.h',
               'socket/ssl_client_socket_openssl.cc',
               'socket/ssl_client_socket_openssl.h',
               'socket/ssl_server_socket_openssl.cc',
               'socket/ssl_session_cache_openssl.cc',
               'socket/ssl_session_cache_openssl.h',
             ],
           },
         ],
         [ 'use_openssl_certs == 0', {
             'sources!': [
+              'base/keygen_handler_openssl.cc',
               'base/openssl_private_key_store.h',
               'base/openssl_private_key_store_android.cc',
               'base/openssl_private_key_store_memory.cc',
               'cert/cert_database_openssl.cc',
               'cert/cert_verify_proc_openssl.cc',
               'cert/cert_verify_proc_openssl.h',
               'cert/test_root_certs_openssl.cc',
               'cert/x509_certificate_openssl.cc',
               'ssl/openssl_client_key_store.cc',
               'ssl/openssl_client_key_store.h',
@@ skipping 1320 matching lines @@
             'net_unittests.isolate',
           ],
           'sources': [
             'net_unittests.isolate',
           ],
         },
       ],
     }],
   ],
 }