Use SingleThreadedTaskQueue in DirectTransport

webrtc/call/rampup_tests.cc

Index: webrtc/call/rampup_tests.cc
diff --git a/webrtc/call/rampup_tests.cc b/webrtc/call/rampup_tests.cc
index a50abee66b87cacc87a22f96c1840b564e1c253c..cfb511755fa1b2f46c4c52fb9359c1f9fe08e50e 100644
--- a/webrtc/call/rampup_tests.cc
+++ b/webrtc/call/rampup_tests.cc
@@ -90,9 +90,11 @@ void RampUpTester::OnVideoStreamsCreated(
   send_stream_ = send_stream;
 }
 
-test::PacketTransport* RampUpTester::CreateSendTransport(Call* sender_call) {
+test::PacketTransport* RampUpTester::CreateSendTransport(
+    test::SingleThreadedTaskQueueForTesting* task_queue,
+    Call* sender_call) {
   send_transport_ = new test::PacketTransport(
-      sender_call, this, test::PacketTransport::kSender,
+      task_queue, sender_call, this, test::PacketTransport::kSender,
       test::CallTest::payload_type_map_, forward_transport_config_);
   return send_transport_;
 }