Make default media::Renderer::playback_rate = 0.

chromecast/media/cma/pipeline/audio_video_pipeline_impl_unittest.cc

Index: chromecast/media/cma/pipeline/audio_video_pipeline_impl_unittest.cc
diff --git a/chromecast/media/cma/pipeline/audio_video_pipeline_impl_unittest.cc b/chromecast/media/cma/pipeline/audio_video_pipeline_impl_unittest.cc
index fce6a45a0d135ab9a4611a0926ddba3c01180c11..185a55f7f1cf263148af5b09518e05f049d9a9b9 100644
--- a/chromecast/media/cma/pipeline/audio_video_pipeline_impl_unittest.cc
+++ b/chromecast/media/cma/pipeline/audio_video_pipeline_impl_unittest.cc
@@ -134,6 +134,7 @@ class PipelineHelper {
     eos_[STREAM_VIDEO] = !media_pipeline_.HasVideo();
     base::TimeDelta start_time = base::TimeDelta::FromMilliseconds(0);
     media_pipeline_.StartPlayingFrom(start_time);
+    media_pipeline_.SetPlaybackRate(1.0);
   }
   void SetCdm() { media_pipeline_.SetCdm(cdm_context_.get()); }
   void Flush(const base::Closure& flush_cb) { media_pipeline_.Flush(flush_cb); }