Provision to start base::SimpleTestTickClock at initial ticks

media/cast/sender/video_sender_unittest.cc

Index: media/cast/sender/video_sender_unittest.cc
diff --git a/media/cast/sender/video_sender_unittest.cc b/media/cast/sender/video_sender_unittest.cc
index 47076602ac0752de96721db9bb5f54f30be9b7af..39aa9b766105a7d354ede7061a3197ff169ac3c6 100644
--- a/media/cast/sender/video_sender_unittest.cc
+++ b/media/cast/sender/video_sender_unittest.cc
@@ -143,7 +143,7 @@ scoped_refptr<VideoFrame> CreateFakeFrame(const gfx::Size& resolution,
 class VideoSenderTest : public ::testing::Test {
  protected:
   VideoSenderTest()
-      : testing_clock_(new base::SimpleTestTickClock()),
+      : testing_clock_(new base::SimpleTestTickClock(base::TimeTicks::Now())),
         task_runner_(new test::FakeSingleThreadTaskRunner(testing_clock_)),
         cast_environment_(
             new CastEnvironment(scoped_ptr<base::TickClock>(testing_clock_),
@@ -152,7 +152,6 @@ class VideoSenderTest : public ::testing::Test {
                                 task_runner_)),
         operational_status_(STATUS_UNINITIALIZED),
         vea_factory_(task_runner_) {
-    testing_clock_->Advance(base::TimeTicks::Now() - base::TimeTicks());
     vea_factory_.SetAutoRespond(true);
     last_pixel_value_ = kPixelValue;
     net::IPEndPoint dummy_endpoint;