Implement disabling and enabling media tracks

media/mojo/services/mojo_renderer_service.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_SERVICES_MOJO_RENDERER_SERVICE_H_
 #define MEDIA_MOJO_SERVICES_MOJO_RENDERER_SERVICE_H_
 
 #include <stdint.h>
 
 #include <memory>
@@ skipping 27 matching lines @@
       mojo::InterfaceRequest<mojom::Renderer> request);
   ~MojoRendererService() final;
 
   // mojom::Renderer implementation.
   void Initialize(mojom::RendererClientPtr client,
                   mojom::DemuxerStreamPtr audio,
                   mojom::DemuxerStreamPtr video,
                   const mojo::Callback<void(bool)>& callback) final;
   void Flush(const mojo::Closure& callback) final;
   void StartPlayingFrom(int64_t time_delta_usec) final;
+  void RestartStreamPlayback(bool video_stream, int64_t time_delta_usec) final;
   void SetPlaybackRate(double playback_rate) final;
   void SetVolume(float volume) final;
   void SetCdm(int32_t cdm_id, const mojo::Callback<void(bool)>& callback) final;
 
  private:
   enum State {
     STATE_UNINITIALIZED,
     STATE_INITIALIZING,
     STATE_FLUSHING,
     STATE_PLAYING,
@@ skipping 56 matching lines @@
 
   base::WeakPtr<MojoRendererService> weak_this_;
   base::WeakPtrFactory<MojoRendererService> weak_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(MojoRendererService);
 };
 
 }  // namespace media
 
 #endif  // MEDIA_MOJO_SERVICES_MOJO_RENDERER_SERVICE_H_