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

content/renderer/media/android/media_player_renderer_client.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 "content/renderer/media/android/media_player_renderer_client.h"
 
 #include "base/callback_helpers.h"
 
 namespace content {
 
@@ skipping 86 matching lines @@
 }
 
 void MediaPlayerRendererClient::SetVolume(float volume) {
   mojo_renderer_->SetVolume(volume);
 }
 
 base::TimeDelta MediaPlayerRendererClient::GetMediaTime() {
   return mojo_renderer_->GetMediaTime();
 }
 
-bool MediaPlayerRendererClient::HasAudio() {
-  // We do not know whether or not the media has Audio before starting playback.
-  // Conservatively assume we do.
-  // TODO(tguilbert): Consider using MIME types to determine presence of audio.
-  // Alternatively, consider piping the HasAudio() from the MediaPlayerRenderer
-  // through the mojo::Renderer interface.
-  return true;
-}
-
-bool MediaPlayerRendererClient::HasVideo() {
-  // We do not know whether or not the media has Video before starting playback.
-  // Conservatively assume we do.
-  // TODO(tguilbert): Consider using MIME types to determine presence of video.
-  // Alternatively, consider piping the HasVideo() from the MediaPlayerRenderer
-  // through the mojo::Renderer interface.
-  return true;
-}
-
 void MediaPlayerRendererClient::OnFrameAvailable() {
   DCHECK(compositor_task_runner_->BelongsToCurrentThread());
   sink_->PaintSingleFrame(stream_texture_wrapper_->GetCurrentFrame(), true);
 }
 
 void MediaPlayerRendererClient::OnError(media::PipelineStatus status) {
   client_->OnError(status);
 }
 
 void MediaPlayerRendererClient::OnEnded() {
@@ skipping 22 matching lines @@
 
 void MediaPlayerRendererClient::OnVideoOpacityChange(bool opaque) {
   client_->OnVideoOpacityChange(opaque);
 }
 
 void MediaPlayerRendererClient::OnDurationChange(base::TimeDelta duration) {
   client_->OnDurationChange(duration);
 }
 
 }  // namespace content