Refactor to create a new LossDetectionInterface used by the

net/quic/congestion_control/loss_detection_interface.cc

Index: net/quic/congestion_control/loss_detection_interface.cc
diff --git a/net/quic/congestion_control/loss_detection_interface.cc b/net/quic/congestion_control/loss_detection_interface.cc
new file mode 100644
index 0000000000000000000000000000000000000000..3c82d7ed4b8694733c50bcddcf2f1d860c1230aa
--- /dev/null
+++ b/net/quic/congestion_control/loss_detection_interface.cc
@@ -0,0 +1,16 @@
+// Copyright (c) 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.
+
+#include "net/quic/congestion_control/loss_detection_interface.h"
+
+#include "net/quic/congestion_control/tcp_loss_algorithm.h"
+
+namespace net {
+
+// Factory for loss detection algorithm.
+LossDetectionInterface* LossDetectionInterface::Create() {
+  return new TCPLossAlgorithm();
+}
+
+}  // namespace net