Perform ClientHello padding if the field trial is enabled

net/net.gypi

 # Copyright 2014 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.
 
 # This file is shared between the regular GYP build, the NaCl GYP build, and
 # the GN build. For GN support, it must have no conditionals or anything like
 # that beyond the simple one-level-deep dictionary of values.
 {
   'variables': {
     # Subset of net source files that are compiled for NaCl (net_nacl target).
@@ skipping 146 matching lines @@
       'ssl/ssl_cipher_suite_names.h',
       'ssl/ssl_client_auth_cache.cc',
       'ssl/ssl_client_auth_cache.h',
       'ssl/ssl_client_cert_type.h',
       'ssl/ssl_config.cc',
       'ssl/ssl_config.h',
       'ssl/ssl_config_service.cc',
       'ssl/ssl_config_service.h',
       'ssl/ssl_info.cc',
       'ssl/ssl_info.h',
+      'ssl/ssl_socket_config_service.cc',
+      'ssl/ssl_socket_config_service.h',
     ],
     'net_non_nacl_sources': [
       'android/cert_verify_result_android.cc',
       'android/cert_verify_result_android.h',
       'android/cert_verify_status_android_list.h',
       'android/gurl_utils.cc',
       'android/gurl_utils.h',
       'android/android_private_key.cc',
       'android/android_private_key.h',
       'android/keystore.cc',
@@ skipping 1490 matching lines @@
       'ssl/client_cert_store_mac_unittest.cc',
       'ssl/client_cert_store_nss_unittest.cc',
       'ssl/client_cert_store_unittest-inl.h',
       'ssl/client_cert_store_win_unittest.cc',
       'ssl/default_channel_id_store_unittest.cc',
       'ssl/openssl_client_key_store_unittest.cc',
       'ssl/ssl_cipher_suite_names_unittest.cc',
       'ssl/ssl_client_auth_cache_unittest.cc',
       'ssl/ssl_config_service_unittest.cc',
       'ssl/ssl_connection_status_flags_unittest.cc',
+      'ssl/ssl_socket_config_service_unittest.cc',
       'test/gtest_util.h',
       'test/embedded_test_server/embedded_test_server_unittest.cc',
       'test/embedded_test_server/http_request_unittest.cc',
       'test/embedded_test_server/http_response_unittest.cc',
       'test/python_utils_unittest.cc',
       'test/run_all_unittests.cc',
       'test/scoped_disable_exit_on_dfatal.cc',
       'test/scoped_disable_exit_on_dfatal.h',
       'test/scoped_mock_log.cc',
       'test/scoped_mock_log.h',
@@ skipping 84 matching lines @@
     ],
     'net_base_mac_ios_sources': [
       'base/mac/url_conversions.h',
       'base/mac/url_conversions.mm',
     ],
     'net_base_test_mac_ios_sources': [
       'base/mac/url_conversions_unittest.mm',
     ],
   }
 }