Provision to start base::SimpleTestTickClock at initial ticks

media/cast/test/end2end_unittest.cc

Index: media/cast/test/end2end_unittest.cc
diff --git a/media/cast/test/end2end_unittest.cc b/media/cast/test/end2end_unittest.cc
index d7eb22dad2ea3d86ebb10488f086f37d4096d2d0..d86173a0af231a8988766b808c8a4da04ede5452 100644
--- a/media/cast/test/end2end_unittest.cc
+++ b/media/cast/test/end2end_unittest.cc
@@ -431,6 +431,8 @@ class End2EndTest : public ::testing::Test {
  protected:
   End2EndTest()
       : start_time_(),
+        testing_clock_(base::TimeTicks() +
+                       base::TimeDelta::FromMilliseconds(kStartMillisecond)),
         task_runner_(new test::FakeSingleThreadTaskRunner(&testing_clock_)),
         testing_clock_sender_(new test::SkewedTickClock(&testing_clock_)),
         task_runner_sender_(
@@ -452,8 +454,6 @@ class End2EndTest : public ::testing::Test {
         sender_to_receiver_(cast_environment_sender_),
         test_receiver_audio_callback_(new TestReceiverAudioCallback()),
         test_receiver_video_callback_(new TestReceiverVideoCallback()) {
-    testing_clock_.Advance(
-        base::TimeDelta::FromMilliseconds(kStartMillisecond));
     cast_environment_sender_->logger()->Subscribe(&event_subscriber_sender_);
   }