Provision to start base::SimpleTestTickClock at initial ticks

media/base/wall_clock_time_source_unittest.cc

Index: media/base/wall_clock_time_source_unittest.cc
diff --git a/media/base/wall_clock_time_source_unittest.cc b/media/base/wall_clock_time_source_unittest.cc
index dee7aff51d13272ea3f66236fa6f0e969f48defb..f86cea77c54f20294124fea72e2a8153c4f99b99 100644
--- a/media/base/wall_clock_time_source_unittest.cc
+++ b/media/base/wall_clock_time_source_unittest.cc
@@ -11,9 +11,10 @@ namespace media {
 
 class WallClockTimeSourceTest : public testing::Test {
  public:
-  WallClockTimeSourceTest() : tick_clock_(new base::SimpleTestTickClock()) {
+  WallClockTimeSourceTest()
+      : tick_clock_(new base::SimpleTestTickClock(
+            base::TimeTicks() + base::TimeDelta::FromSeconds(1))) {
     time_source_.set_tick_clock_for_testing(tick_clock_.get());
-    AdvanceTimeInSeconds(1);
   }
   ~WallClockTimeSourceTest() override {}