Perform ClientHello padding if the field trial is enabled

net/ssl/ssl_config_service.cc

 // Copyright (c) 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.
 
 #include "net/ssl/ssl_config_service.h"
 
 #include "base/lazy_instance.h"
 #include "base/synchronization/lock.h"
 #include "net/ssl/ssl_config_service_defaults.h"
 
@@ skipping 59 matching lines @@
 }
 
 void SSLConfigService::RemoveObserver(Observer* observer) {
   observer_list_.RemoveObserver(observer);
 }
 
 void SSLConfigService::NotifySSLConfigChange() {
   FOR_EACH_OBSERVER(Observer, observer_list_, OnSSLConfigChanged());
 }
 
+bool SSLConfigService::SupportsFastradioPadding(
+    const HostPortPair& host_and_port) {
+  return false;
+}
+
 SSLConfigService::~SSLConfigService() {
 }
 
 void SSLConfigService::ProcessConfigUpdate(const SSLConfig& orig_config,
                                            const SSLConfig& new_config) {
   bool config_changed =
       (orig_config.rev_checking_enabled != new_config.rev_checking_enabled) ||
       (orig_config.rev_checking_required_local_anchors !=
        new_config.rev_checking_required_local_anchors) ||
       (orig_config.version_min != new_config.version_min) ||
       (orig_config.version_max != new_config.version_max) ||
       (orig_config.disabled_cipher_suites !=
        new_config.disabled_cipher_suites) ||
       (orig_config.channel_id_enabled != new_config.channel_id_enabled) ||
       (orig_config.false_start_enabled != new_config.false_start_enabled) ||
       (orig_config.require_forward_secrecy !=
        new_config.require_forward_secrecy);
 
   if (config_changed)
     NotifySSLConfigChange();
 }
 
 }  // namespace net