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

media/remoting/remote_renderer_impl.h

 // 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.
 
 #ifndef MEDIA_REMOTING_REMOTE_RENDERER_IMPL_H_
 #define MEDIA_REMOTING_REMOTE_RENDERER_IMPL_H_
 
 #include <stdint.h>
 
 #include <memory>
@@ skipping 60 matching lines @@
   void Initialize(DemuxerStreamProvider* demuxer_stream_provider,
                   media::RendererClient* client,
                   const PipelineStatusCB& init_cb) final;
   void SetCdm(CdmContext* cdm_context,
               const CdmAttachedCB& cdm_attached_cb) final;
   void Flush(const base::Closure& flush_cb) final;
   void StartPlayingFrom(base::TimeDelta time) final;
   void SetPlaybackRate(double playback_rate) final;
   void SetVolume(float volume) final;
   base::TimeDelta GetMediaTime() final;
-  bool HasAudio() final;
-  bool HasVideo() final;
 
  private:
   friend class RemoteRendererImplTest;
 
   enum State {
     STATE_UNINITIALIZED,
     STATE_CREATE_PIPE,
     STATE_ACQUIRING,
     STATE_INITIALIZING,
     STATE_FLUSHING,
@@ skipping 69 matching lines @@
   RemotingInterstitialUI interstitial_ui_;
 
   base::WeakPtrFactory<RemoteRendererImpl> weak_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(RemoteRendererImpl);
 };
 
 }  // namespace media
 
 #endif  // MEDIA_REMOTING_REMOTE_RENDERER_IMPL_H_