Add support to send optimal format as part of ScheduleOverlayPlane

ui/ozone/platform/headless/headless_surface_factory.cc

Index: ui/ozone/platform/headless/headless_surface_factory.cc
diff --git a/ui/ozone/platform/headless/headless_surface_factory.cc b/ui/ozone/platform/headless/headless_surface_factory.cc
index 2d223ad01e28352df5f3e1f33f9750a4bb5dc2eb..3a776c94d5de652eb3e41cfdbf83006a75320592 100644
--- a/ui/ozone/platform/headless/headless_surface_factory.cc
+++ b/ui/ozone/platform/headless/headless_surface_factory.cc
@@ -76,8 +76,10 @@ class TestPixmap : public ui::NativePixmap {
   bool ScheduleOverlayPlane(gfx::AcceleratedWidget widget,
                             int plane_z_order,
                             gfx::OverlayTransform plane_transform,
+                            gfx::BufferFormat storage_format,
                             const gfx::Rect& display_bounds,
-                            const gfx::RectF& crop_rect) override {
+                            const gfx::RectF& crop_rect,
+                            bool handle_scaling) override {
     return true;
   }
   void SetProcessingCallback(