Perform ClientHello padding if the field trial is enabled

net/ssl/ssl_config_service.cc

Index: net/ssl/ssl_config_service.cc
diff --git a/net/ssl/ssl_config_service.cc b/net/ssl/ssl_config_service.cc
index 4661930dc51a66b6bd73e9955b1323ead940f709..6b6284935c19744e2f0749bf95b4dcb0ede20783 100644
--- a/net/ssl/ssl_config_service.cc
+++ b/net/ssl/ssl_config_service.cc
@@ -77,6 +77,11 @@ void SSLConfigService::NotifySSLConfigChange() {
   FOR_EACH_OBSERVER(Observer, observer_list_, OnSSLConfigChanged());
 }
 
+bool SSLConfigService::SupportsFastradioPadding(
+    const HostPortPair& host_and_port) {
+  return false;
+}
+
 SSLConfigService::~SSLConfigService() {
 }