Finish plumbing MojoVideoDecoder.

media/mojo/services/mojo_media_client.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_MEDIA_CLIENT_H_
 #define MEDIA_MOJO_SERVICES_MOJO_MEDIA_CLIENT_H_
 
 #include <memory>
 
-#include "media/base/audio_decoder.h"
-#include "media/base/audio_renderer_sink.h"
-#include "media/base/cdm_factory.h"
-#include "media/base/media_log.h"
-#include "media/base/renderer_factory.h"
-#include "media/base/video_renderer_sink.h"
+#include "base/memory/ref_counted.h"
 
 namespace base {
 class SingleThreadTaskRunner;
 }
 
 namespace shell {
 namespace mojom {
 class InterfaceProvider;
 }
 }
 
 namespace media {
 
+class AudioDecoder;
+class AudioRendererSink;
+class CdmFactory;
+class MediaLog;
+class RendererFactory;
+class VideoDecoder;
+class VideoRendererSink;
+
 class MojoMediaClient {
  public:
   virtual ~MojoMediaClient();
 
   // Called exactly once before any other method.
   virtual void Initialize();
+
   // Called before the host application is scheduled to quit.
   // The application message loop is still valid at this point, so all clean
   // up tasks requiring the message loop must be completed before returning.
   virtual void WillQuit();
 
   virtual std::unique_ptr<AudioDecoder> CreateAudioDecoder(
       scoped_refptr<base::SingleThreadTaskRunner> task_runner);
 
+  virtual std::unique_ptr<VideoDecoder> CreateVideoDecoder(
+      scoped_refptr<base::SingleThreadTaskRunner> task_runner);
+
   // TODO(xhwang): Consider creating Renderer and CDM directly in the client
   // instead of creating factories. See http://crbug.com/586211
 
   // Returns the RendererFactory to be used by MojoRendererService.
   virtual std::unique_ptr<RendererFactory> CreateRendererFactory(
       const scoped_refptr<MediaLog>& media_log);
 
   // The output sink used for rendering audio or video respectively. They will
   // be used in the CreateRenderer() call on the RendererFactory returned by
   // CreateRendererFactory(). May be null if the RendererFactory doesn't need an
   // audio or video sink. If not null, the sink must be owned by the client.
   virtual AudioRendererSink* CreateAudioRendererSink();
   virtual VideoRendererSink* CreateVideoRendererSink(
       const scoped_refptr<base::SingleThreadTaskRunner>& task_runner);
 
   // Returns the CdmFactory to be used by MojoCdmService.
   virtual std::unique_ptr<CdmFactory> CreateCdmFactory(
       shell::mojom::InterfaceProvider* interface_provider);
 
  protected:
   MojoMediaClient();
 };
 
 }  // namespace media
 
 #endif  // MEDIA_MOJO_SERVICES_MOJO_MEDIA_CLIENT_H_