Add video-rendering to mojo media pipeline.

media/mojo/services/mojo_renderer_factory.h

Index: media/mojo/services/mojo_renderer_factory.h
diff --git a/media/mojo/services/mojo_renderer_factory.h b/media/mojo/services/mojo_renderer_factory.h
index a913e97ef2985d22e15d78669aff7ab82d7653fe..9ab993549c98345c43978e1c7d53b59894489a25 100644
--- a/media/mojo/services/mojo_renderer_factory.h
+++ b/media/mojo/services/mojo_renderer_factory.h
@@ -19,11 +19,15 @@ class InterfaceProvider;
 
 namespace media {
 
+class GpuVideoAcceleratorFactories;
+
 // The default factory class for creating MojoRendererImpl.
 class MojoRendererFactory : public RendererFactory {
  public:
-  explicit MojoRendererFactory(
-      shell::mojom::InterfaceProvider* interface_provider);
+  using GetGpuFactoriesCB = base::Callback<GpuVideoAcceleratorFactories*()>;
+
+  MojoRendererFactory(const GetGpuFactoriesCB& get_gpu_factories_cb,
+                      shell::mojom::InterfaceProvider* interface_provider);
   ~MojoRendererFactory() final;
 
   std::unique_ptr<Renderer> CreateRenderer(
@@ -34,6 +38,7 @@ class MojoRendererFactory : public RendererFactory {
       const RequestSurfaceCB& request_surface_cb) final;
 
  private:
+  GetGpuFactoriesCB get_gpu_factories_cb_;
   shell::mojom::InterfaceProvider* interface_provider_;
 
   DISALLOW_COPY_AND_ASSIGN(MojoRendererFactory);