SurfaceFactoryOzone: expose scanout supported GpuMemoryBufferAttribs

ui/ozone/platform/drm/gpu/gbm_surface_factory.cc

Index: ui/ozone/platform/drm/gpu/gbm_surface_factory.cc
diff --git a/ui/ozone/platform/drm/gpu/gbm_surface_factory.cc b/ui/ozone/platform/drm/gpu/gbm_surface_factory.cc
index 5de359df17bd332362167d3a102680ba44e9ca5b..60844f1d91d9d6c90df3a7952bbe0640fdbc5ea2 100644
--- a/ui/ozone/platform/drm/gpu/gbm_surface_factory.cc
+++ b/ui/ozone/platform/drm/gpu/gbm_surface_factory.cc
@@ -137,6 +137,15 @@ std::vector<gfx::BufferFormat> GbmSurfaceFactory::GetScanoutFormats(
   return scanout_formats;
 }
 
+gfx::GpuMemoryBufferAttribVector
+GbmSurfaceFactory::GetScanoutFormatsWithModifiers(
+    gfx::AcceleratedWidget widget) {
+  gfx::GpuMemoryBufferAttribVector scanout_combinations;
+  drm_thread_proxy_->GetScanoutFormatsWithModifiers(widget,
+                                                    &scanout_combinations);
+  return scanout_combinations;
+}
+
 scoped_refptr<gfx::NativePixmap> GbmSurfaceFactory::CreateNativePixmap(
     gfx::AcceleratedWidget widget,
     gfx::Size size,