NQE: Plumb RTT and throughput estimates to the UI thread

chrome/browser/net/nqe/ui_network_quality_estimator_service_test_util.h

Index: chrome/browser/net/nqe/ui_network_quality_estimator_service_test_util.h
diff --git a/chrome/browser/net/nqe/ui_network_quality_estimator_service_test_util.h b/chrome/browser/net/nqe/ui_network_quality_estimator_service_test_util.h
index d59914d584275d84b80cc5935a802f901e037ea2..35943ce937a7645465ff60b37022c4612263f4c9 100644
--- a/chrome/browser/net/nqe/ui_network_quality_estimator_service_test_util.h
+++ b/chrome/browser/net/nqe/ui_network_quality_estimator_service_test_util.h
@@ -5,6 +5,7 @@
 #ifndef CHROME_BROWSER_NET_NQE_UI_NETWORK_QUALITY_ESTIMATOR_SERVICE_TEST_UTIL_H_
 #define CHROME_BROWSER_NET_NQE_UI_NETWORK_QUALITY_ESTIMATOR_SERVICE_TEST_UTIL_H_
 
+#include "base/time/time.h"
 #include "net/nqe/effective_connection_type.h"
 
 namespace nqe_test_util {
@@ -15,6 +16,12 @@ namespace nqe_test_util {
 // replies.
 void OverrideEffectiveConnectionTypeAndWait(net::EffectiveConnectionType type);
 
+// Forces NetworkQualityEstimator to report |rtt| to all its
+// RTTAndThroughputEstimatesObservers.
+// This blocks execution on the calling thread until the IO task runs and
+// replies.
+void OverrideRTTsAndWait(base::TimeDelta rtt);
+
 }  // namespace nqe_test_util
 
 #endif  // CHROME_BROWSER_NET_NQE_UI_NETWORK_QUALITY_ESTIMATOR_SERVICE_TEST_UTIL_H_