Change NativeBufferOzone to be an object and move the overlay calls to the surface object.

ui/ozone/public/surface_factory_ozone.cc

Index: ui/ozone/public/surface_factory_ozone.cc
diff --git a/ui/ozone/public/surface_factory_ozone.cc b/ui/ozone/public/surface_factory_ozone.cc
index 9d33be43524b2952e1a518660a89edd7485f9985..bbbc8b532d1a5854f05e6f2582dfda5a1f6dc463 100644
--- a/ui/ozone/public/surface_factory_ozone.cc
+++ b/ui/ozone/public/surface_factory_ozone.cc
@@ -56,20 +56,13 @@ ui::OverlayCandidatesOzone* SurfaceFactoryOzone::GetOverlayCandidates(
   return NULL;
 }
 
-void SurfaceFactoryOzone::ScheduleOverlayPlane(
-    gfx::AcceleratedWidget w,
-    int plane_z_order,
-    gfx::OverlayTransform plane_transform,
-    ui::NativeBufferOzone buffer,
-    const gfx::Rect& display_bounds,
-    gfx::RectF crop_rect) {
-  NOTREACHED();
-}
-
-ui::NativeBufferOzone SurfaceFactoryOzone::CreateNativeBuffer(
+scoped_refptr<ui::NativePixmap> SurfaceFactoryOzone::CreateNativeBuffer(
     gfx::Size size,
     BufferFormat format) {
-  return 0;
+  return NULL;
 }
 
+bool SurfaceFactoryOzone::CanShowPrimaryPlaneAsOverlay() {
+  return false;
+}
 }  // namespace ui