Finish plumbing MojoVideoDecoder.

media/mojo/services/mojo_media_client.h

Index: media/mojo/services/mojo_media_client.h
diff --git a/media/mojo/services/mojo_media_client.h b/media/mojo/services/mojo_media_client.h
index 010ce9a32e11342c98b05bff9c1e569b7e615c5c..3e3e284f41f9db3f6b2476b1ac9800bd5410c7b0 100644
--- a/media/mojo/services/mojo_media_client.h
+++ b/media/mojo/services/mojo_media_client.h
@@ -7,12 +7,7 @@
 
 #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"
 #include "media/mojo/services/media_mojo_export.h"
 
 namespace base {
@@ -27,12 +22,21 @@ class InterfaceProvider;
 
 namespace media {
 
+class AudioDecoder;
+class AudioRendererSink;
+class CdmFactory;
+class MediaLog;
+class RendererFactory;
+class VideoDecoder;
+class VideoRendererSink;
+
 class MEDIA_MOJO_EXPORT 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.
@@ -41,6 +45,9 @@ class MEDIA_MOJO_EXPORT MojoMediaClient {
   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