Test network annotation tags added to unittests in net/.

net/nqe/network_quality_estimator_test_util.cc

Index: net/nqe/network_quality_estimator_test_util.cc
diff --git a/net/nqe/network_quality_estimator_test_util.cc b/net/nqe/network_quality_estimator_test_util.cc
index dc8e28b4513830b531f6489b4350f9af1fc5a988..735b27aef5ba91da8eeae59eaa30752c911d2ad2 100644
--- a/net/nqe/network_quality_estimator_test_util.cc
+++ b/net/nqe/network_quality_estimator_test_util.cc
@@ -12,6 +12,7 @@
 #include "net/log/test_net_log.h"
 #include "net/log/test_net_log_entry.h"
 #include "net/test/embedded_test_server/http_response.h"
+#include "net/traffic_annotation/network_traffic_annotation_test_helper.h"
 #include "net/url_request/url_request.h"
 #include "net/url_request/url_request_test_util.h"
 
@@ -73,7 +74,8 @@ void TestNetworkQualityEstimator::RunOneRequest() {
   context.set_network_quality_estimator(this);
   context.Init();
   std::unique_ptr<URLRequest> request(
-      context.CreateRequest(GetEchoURL(), DEFAULT_PRIORITY, &test_delegate));
+      context.CreateRequest(GetEchoURL(), DEFAULT_PRIORITY, &test_delegate,
+                            TRAFFIC_ANNOTATION_FOR_TESTS));
   request->SetLoadFlags(request->load_flags() | LOAD_MAIN_FRAME_DEPRECATED);
   request->Start();
   base::RunLoop().Run();