Update from https://crrev.com/311346

net/tools/quic/test_tools/quic_test_client.cc

Index: net/tools/quic/test_tools/quic_test_client.cc
diff --git a/net/tools/quic/test_tools/quic_test_client.cc b/net/tools/quic/test_tools/quic_test_client.cc
index d8e23e7a5ccddf92b20045f3f1271140b1380b1b..97a06740842805c3d4742ac2cd083e00af84e1f6 100644
--- a/net/tools/quic/test_tools/quic_test_client.cc
+++ b/net/tools/quic/test_tools/quic_test_client.cc
@@ -107,7 +107,6 @@ MockableQuicClient::MockableQuicClient(
     : QuicClient(server_address,
                  server_id,
                  supported_versions,
-                 false,
                  epoll_server),
       override_connection_id_(0),
       test_writer_(nullptr) {}
@@ -121,7 +120,6 @@ MockableQuicClient::MockableQuicClient(
     : QuicClient(server_address,
                  server_id,
                  supported_versions,
-                 false,
                  config,
                  epoll_server),
       override_connection_id_(0),
@@ -265,9 +263,15 @@ ssize_t QuicTestClient::SendMessage(const HTTPMessage& message) {
 }
 
 ssize_t QuicTestClient::SendData(string data, bool last_data) {
+  return SendData(data, last_data, nullptr);
+}
+
+ssize_t QuicTestClient::SendData(string data,
+                                 bool last_data,
+                                 QuicAckNotifier::DelegateInterface* delegate) {
   QuicSpdyClientStream* stream = GetOrCreateStream();
   if (!stream) { return 0; }
-  GetOrCreateStream()->SendBody(data, last_data);
+  GetOrCreateStream()->SendBody(data, last_data, delegate);
   WaitForWriteToFlush();
   return data.length();
 }