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

media/mojo/clients/mojo_renderer.h

 // Copyright 2014 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_MOJO_CLIENTS_MOJO_RENDERER_H_
 #define MEDIA_MOJO_CLIENTS_MOJO_RENDERER_H_
 
 #include <stdint.h>
 
 #include "base/macros.h"
@@ skipping 38 matching lines @@
   void Initialize(DemuxerStreamProvider* demuxer_stream_provider,
                   media::RendererClient* client,
                   const PipelineStatusCB& init_cb) override;
   void SetCdm(CdmContext* cdm_context,
               const CdmAttachedCB& cdm_attached_cb) override;
   void Flush(const base::Closure& flush_cb) override;
   void StartPlayingFrom(base::TimeDelta time) override;
   void SetPlaybackRate(double playback_rate) override;
   void SetVolume(float volume) override;
   base::TimeDelta GetMediaTime() override;
-  bool HasAudio() override;
-  bool HasVideo() override;
 
   using ReceiveSurfaceRequestTokenCB =
       base::Callback<void(const base::UnguessableToken&)>;
 
   // Asks |remote_renderer_| to register a request in the browser's
   // ScopedSurfaceRequestManager, and returns the request's token.
   void InitiateScopedSurfaceRequest(
       const ReceiveSurfaceRequestTokenCB& receive_request_token_cb);
 
  private:
@@ skipping 86 matching lines @@
   mutable base::Lock lock_;
   base::DefaultTickClock media_clock_;
   media::TimeDeltaInterpolator media_time_interpolator_;
 
   DISALLOW_COPY_AND_ASSIGN(MojoRenderer);
 };
 
 }  // namespace media
 
 #endif  // MEDIA_MOJO_CLIENTS_MOJO_RENDERER_H_