Provision to start base::SimpleTestTickClock at initial ticks

media/cast/test/simulator.cc

Index: media/cast/test/simulator.cc
diff --git a/media/cast/test/simulator.cc b/media/cast/test/simulator.cc
index a2aa6e45b91b7e84d153ceba5cf4a5e4753660df..53fdfd90bb7a9708c0b5d7348c2b2b0a26aeee79 100644
--- a/media/cast/test/simulator.cc
+++ b/media/cast/test/simulator.cc
@@ -293,8 +293,8 @@ void RunSimulation(const base::FilePath& source_path,
                    const std::string& extra_data,
                    const NetworkSimulationModel& model) {
   // Fake clock. Make sure start time is non zero.
-  base::SimpleTestTickClock testing_clock;
-  testing_clock.Advance(base::TimeDelta::FromSeconds(1));
+  base::SimpleTestTickClock testing_clock(base::TimeTicks() +
+                                          base::TimeDelta::FromSeconds(1));
 
   // Task runner.
   scoped_refptr<test::FakeSingleThreadTaskRunner> task_runner =