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

chromecast/media/service/cast_renderer.cc

 // Copyright 2016 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "chromecast/media/service/cast_renderer.h"
 
 #include "base/bind.h"
 #include "base/single_thread_task_runner.h"
 #include "chromecast/base/task_runner_impl.h"
 #include "chromecast/media/base/video_resolution_policy.h"
@@ skipping 191 matching lines @@
 void CastRenderer::SetVolume(float volume) {
   DCHECK(task_runner_->BelongsToCurrentThread());
   pipeline_->SetVolume(volume);
 }
 
 base::TimeDelta CastRenderer::GetMediaTime() {
   DCHECK(task_runner_->BelongsToCurrentThread());
   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_)
     return;
 
   if (video_resolution_policy_->ShouldBlock(video_res_))
     OnError(::media::PIPELINE_ERROR_DECODE);
 }
 
 void CastRenderer::OnError(::media::PipelineStatus status) {
@@ skipping 36 matching lines @@
 }
 
 void CastRenderer::OnVideoOpacityChange(bool opaque) {
   DCHECK(task_runner_->BelongsToCurrentThread());
   DCHECK(opaque);
   client_->OnVideoOpacityChange(opaque);
 }
 
 }  // namespace media
 }  // namespace chromecast