Provision to start base::SimpleTestTickClock at initial ticks

media/renderers/audio_renderer_impl_unittest.cc

Index: media/renderers/audio_renderer_impl_unittest.cc
diff --git a/media/renderers/audio_renderer_impl_unittest.cc b/media/renderers/audio_renderer_impl_unittest.cc
index 23f36e39cfcd1bd64fe639928f161db1e67f9839..20fb2bda5e8d037623a0dd74a596fb224db75787 100644
--- a/media/renderers/audio_renderer_impl_unittest.cc
+++ b/media/renderers/audio_renderer_impl_unittest.cc
@@ -66,7 +66,8 @@ class AudioRendererImplTest : public ::testing::Test {
   // Give the decoder some non-garbage media properties.
   AudioRendererImplTest()
       : hardware_config_(AudioParameters(), AudioParameters()),
-        tick_clock_(new base::SimpleTestTickClock()),
+        tick_clock_(new base::SimpleTestTickClock(
+            base::TimeTicks() + base::TimeDelta::FromSeconds(1))),
         demuxer_stream_(DemuxerStream::AUDIO),
         decoder_(new MockAudioDecoder()),
         ended_(false) {
@@ -103,7 +104,6 @@ class AudioRendererImplTest : public ::testing::Test {
                                           sink_.get(), std::move(decoders),
                                           hardware_config_, new MediaLog()));
     renderer_->tick_clock_.reset(tick_clock_);
-    tick_clock_->Advance(base::TimeDelta::FromSeconds(1));
   }
 
   virtual ~AudioRendererImplTest() {