Provision to start base::SimpleTestTickClock at initial ticks

media/cast/sender/video_encoder_unittest.cc

Index: media/cast/sender/video_encoder_unittest.cc
diff --git a/media/cast/sender/video_encoder_unittest.cc b/media/cast/sender/video_encoder_unittest.cc
index 9624e43f3e28b31dc43aad15bc89907e127fda84..b02b3ba7788c19dea513d797015f7ddb9cfde726 100644
--- a/media/cast/sender/video_encoder_unittest.cc
+++ b/media/cast/sender/video_encoder_unittest.cc
@@ -34,7 +34,7 @@ class VideoEncoderTest
     : public ::testing::TestWithParam<std::pair<Codec, bool>> {
  protected:
   VideoEncoderTest()
-      : 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_),
@@ -44,7 +44,6 @@ class VideoEncoderTest
         video_config_(GetDefaultVideoSenderConfig()),
         operational_status_(STATUS_UNINITIALIZED),
         count_frames_delivered_(0) {
-    testing_clock_->Advance(base::TimeTicks::Now() - base::TimeTicks());
     first_frame_time_ = testing_clock_->NowTicks();
   }