Add video-rendering to mojo media pipeline.

media/mojo/services/mojo_renderer_factory.cc

Index: media/mojo/services/mojo_renderer_factory.cc
diff --git a/media/mojo/services/mojo_renderer_factory.cc b/media/mojo/services/mojo_renderer_factory.cc
index a27b0f3a7b4242ebc83e2a54b5a6fadedbb4374f..e5fab5d0d4e8fc8c969b1e1b01817818abbad147 100644
--- a/media/mojo/services/mojo_renderer_factory.cc
+++ b/media/mojo/services/mojo_renderer_factory.cc
@@ -6,14 +6,18 @@
 
 #include "base/single_thread_task_runner.h"
 #include "media/mojo/services/mojo_renderer_impl.h"
+#include "media/renderers/video_overlay_factory.h"
 #include "services/shell/public/cpp/connect.h"
 #include "services/shell/public/interfaces/interface_provider.mojom.h"
 
 namespace media {
 
 MojoRendererFactory::MojoRendererFactory(
+    const GetGpuFactoriesCB& get_gpu_factories_cb,
     shell::mojom::InterfaceProvider* interface_provider)
-    : interface_provider_(interface_provider) {
+    : get_gpu_factories_cb_(get_gpu_factories_cb),
+      interface_provider_(interface_provider) {
+  DCHECK(!get_gpu_factories_cb_.is_null());
   DCHECK(interface_provider_);
 }
 
@@ -24,13 +28,17 @@ std::unique_ptr<Renderer> MojoRendererFactory::CreateRenderer(
     const scoped_refptr<base::SingleThreadTaskRunner>& media_task_runner,
     const scoped_refptr<base::TaskRunner>& /* worker_task_runner */,
     AudioRendererSink* /* audio_renderer_sink */,
-    VideoRendererSink* /* video_renderer_sink */,
+    VideoRendererSink* video_renderer_sink,
     const RequestSurfaceCB& /* request_surface_cb */) {
+  std::unique_ptr<VideoOverlayFactory> overlay_factory(
+      new VideoOverlayFactory(get_gpu_factories_cb_.Run()));
+
   mojom::RendererPtr renderer_ptr;
   shell::GetInterface<mojom::Renderer>(interface_provider_, &renderer_ptr);
 
   return std::unique_ptr<Renderer>(
-      new MojoRendererImpl(media_task_runner, std::move(renderer_ptr)));
+      new MojoRendererImpl(media_task_runner, std::move(overlay_factory),
+                           video_renderer_sink, std::move(renderer_ptr)));
 }
 
 }  // namespace media