media: Make media mojo services a component

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 d64c06cdd9cc0a44d8e01df7f405b008e4245c47..010ce9a32e11342c98b05bff9c1e569b7e615c5c 100644
--- a/media/mojo/services/mojo_media_client.h
+++ b/media/mojo/services/mojo_media_client.h
@@ -13,6 +13,7 @@
 #include "media/base/media_log.h"
 #include "media/base/renderer_factory.h"
 #include "media/base/video_renderer_sink.h"
+#include "media/mojo/services/media_mojo_export.h"
 
 namespace base {
 class SingleThreadTaskRunner;
@@ -26,7 +27,7 @@ class InterfaceProvider;
 
 namespace media {
 
-class MojoMediaClient {
+class MEDIA_MOJO_EXPORT MojoMediaClient {
  public:
   virtual ~MojoMediaClient();