[WIP] Proxy RtcVideoDecoder calls to a media::VideoDecoder.

media/mojo/services/mojo_video_decoder_service.h

Index: media/mojo/services/mojo_video_decoder_service.h
diff --git a/media/mojo/services/mojo_video_decoder_service.h b/media/mojo/services/mojo_video_decoder_service.h
index 89836b464ae8307b1ae2ec800c18d99da239cbcb..c6907dc0d76872671a28701361572e81236e0e4f 100644
--- a/media/mojo/services/mojo_video_decoder_service.h
+++ b/media/mojo/services/mojo_video_decoder_service.h
@@ -11,6 +11,7 @@
 #include "base/memory/weak_ptr.h"
 #include "media/base/decode_status.h"
 #include "media/mojo/interfaces/video_decoder.mojom.h"
+#include "media/mojo/services/media_mojo_export.h"
 
 namespace media {
 
@@ -21,7 +22,7 @@ class VideoFrame;
 
 // Implementation of a mojom::VideoDecoder which runs in the GPU process,
 // and wraps a media::VideoDecoder.
-class MojoVideoDecoderService : public mojom::VideoDecoder {
+class MEDIA_MOJO_EXPORT MojoVideoDecoderService : public mojom::VideoDecoder {
  public:
   explicit MojoVideoDecoderService(MojoMediaClient* mojo_media_client);
   ~MojoVideoDecoderService() final;