Illustrate MakeUnique<...>(NULL, ...) issue

net/websockets/websocket_stream_test.cc

Index: net/websockets/websocket_stream_test.cc
diff --git a/net/websockets/websocket_stream_test.cc b/net/websockets/websocket_stream_test.cc
index d6d6202c87794ce49e319108b49b60f5e9eef261..68e54fb4b8e97436cf4825301378db1359ce4f57 100644
--- a/net/websockets/websocket_stream_test.cc
+++ b/net/websockets/websocket_stream_test.cc
@@ -62,7 +62,7 @@ std::unique_ptr<SequencedSocketData> BuildSocketData(
 // Builder for a SequencedSocketData that expects nothing. This does not
 // set the connect data, so the calling code must do that explicitly.
 std::unique_ptr<SequencedSocketData> BuildNullSocketData() {
-  return base::WrapUnique(new SequencedSocketData(NULL, 0, NULL, 0));
+  return base::MakeUnique<SequencedSocketData>(NULL, 0, NULL, 0);
 }
 
 class MockWeakTimer : public base::MockTimer,