media: Support MojoRendererService in the browser process.

media/mojo/services/mojo_renderer_service.h

Index: media/mojo/services/mojo_renderer_service.h
diff --git a/media/mojo/services/mojo_renderer_service.h b/media/mojo/services/mojo_renderer_service.h
index dc0183ab6613c3febf829d4cb8fa295dff18a8c1..28cf6574a54b3392fe9a84643d1833a8b4abdca7 100644
--- a/media/mojo/services/mojo_renderer_service.h
+++ b/media/mojo/services/mojo_renderer_service.h
@@ -12,6 +12,7 @@
 #include "base/timer/timer.h"
 #include "media/base/audio_decoder_config.h"
 #include "media/base/buffering_state.h"
+#include "media/base/media_export.h"
 #include "media/base/pipeline_status.h"
 #include "media/mojo/interfaces/media_renderer.mojom.h"
 #include "mojo/public/cpp/bindings/interface_impl.h"
@@ -29,7 +30,8 @@ class Renderer;
 
 // A mojo::MediaRenderer implementation that uses media::AudioRenderer to
 // decode and render audio to a sink obtained from the ApplicationConnection.
-class MojoRendererService : public mojo::InterfaceImpl<mojo::MediaRenderer> {
+class MEDIA_EXPORT MojoRendererService
+    : public mojo::InterfaceImpl<mojo::MediaRenderer> {
  public:
   MojoRendererService();
   ~MojoRendererService() override;