Allow to use the DefaultRendererFactory from a Utility Process

media/mojo/services/mojo_renderer_service.cc

Index: media/mojo/services/mojo_renderer_service.cc
diff --git a/media/mojo/services/mojo_renderer_service.cc b/media/mojo/services/mojo_renderer_service.cc
index 81661f8611636b86f0e2baab0cc844e820a9178d..8702398dd1a626509cd062904640280f8f5afb04 100644
--- a/media/mojo/services/mojo_renderer_service.cc
+++ b/media/mojo/services/mojo_renderer_service.cc
@@ -16,6 +16,7 @@
 #include "media/base/video_renderer_sink.h"
 #include "media/mojo/services/media_resource_shim.h"
 #include "media/mojo/services/mojo_cdm_service_context.h"
+#include "media/mojo/services/mojo_video_renderer_sink_adapter.h"
 
 namespace media {
 
@@ -78,6 +79,7 @@ MojoRendererService::~MojoRendererService() {}
 void MojoRendererService::Initialize(
     mojom::RendererClientAssociatedPtrInfo client,
     base::Optional<std::vector<mojom::DemuxerStreamPtr>> streams,
+    mojom::VideoRendererSinkPtr video_renderer_sink_ptr,
     const base::Optional<GURL>& media_url,
     const base::Optional<GURL>& first_party_for_cookies,
     const InitializeCallback& callback) {
@@ -87,6 +89,11 @@ void MojoRendererService::Initialize(
   client_.Bind(std::move(client));
   state_ = STATE_INITIALIZING;
 
+  if (video_renderer_sink_ptr) {
+    static_cast<MojoVideoRendererSinkAdapter*>(video_sink_.get())
+        ->Initialize(std::move(video_renderer_sink_ptr));
+  }
+
   if (media_url == base::nullopt) {
     DCHECK(streams.has_value());
     media_resource_.reset(new MediaResourceShim(