Example MojoVideoDecoder decoder using the command buffer.

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 c6020662013bf40fa2b02c12d4854d299b32c934..fd40627307be4be2e2c137e73e94c20685665448 100644
--- a/media/mojo/services/mojo_media_client.h
+++ b/media/mojo/services/mojo_media_client.h
@@ -6,9 +6,13 @@
 #define MEDIA_MOJO_SERVICES_MOJO_MEDIA_CLIENT_H_
 
 #include <memory>
+#include <stdint.h>
 #include <string>
 
 #include "base/memory/ref_counted.h"
+#include "base/optional.h"
+#include "base/unguessable_token.h"
+#include "media/mojo/interfaces/video_decoder.mojom.h"
 #include "media/mojo/services/media_mojo_export.h"
 
 namespace base {
@@ -45,7 +49,8 @@ class MEDIA_MOJO_EXPORT MojoMediaClient {
       scoped_refptr<base::SingleThreadTaskRunner> task_runner);
 
   virtual std::unique_ptr<VideoDecoder> CreateVideoDecoder(
-      scoped_refptr<base::SingleThreadTaskRunner> task_runner);
+      scoped_refptr<base::SingleThreadTaskRunner> task_runner,
+      mojom::CommandBufferIdPtr command_buffer_id);
 
   // Returns the output sink used for rendering audio on |audio_device_id|.
   // May be null if the RendererFactory doesn't need an audio sink.