media: remove unused functions: Renderer::HasAudio()/HasVideo()

chromecast/media/service/cast_renderer.cc

Index: chromecast/media/service/cast_renderer.cc
diff --git a/chromecast/media/service/cast_renderer.cc b/chromecast/media/service/cast_renderer.cc
index 82dbe8e3f94f7117ad83c5597e0d6adf3034402b..aa3ae067644ddc8c5fcbbe77667e5a653c156fe4 100644
--- a/chromecast/media/service/cast_renderer.cc
+++ b/chromecast/media/service/cast_renderer.cc
@@ -209,16 +209,6 @@ base::TimeDelta CastRenderer::GetMediaTime() {
   return pipeline_->GetMediaTime();
 }
 
-bool CastRenderer::HasAudio() {
-  DCHECK(task_runner_->BelongsToCurrentThread());
-  return pipeline_->HasAudio();
-}
-
-bool CastRenderer::HasVideo() {
-  DCHECK(task_runner_->BelongsToCurrentThread());
-  return pipeline_->HasVideo();
-}
-
 void CastRenderer::OnVideoResolutionPolicyChanged() {
   DCHECK(task_runner_->BelongsToCurrentThread());
   if (!video_resolution_policy_)