Adding status to swap complete

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

Index: ui/ozone/platform/drm/gpu/gbm_surfaceless.cc
diff --git a/ui/ozone/platform/drm/gpu/gbm_surfaceless.cc b/ui/ozone/platform/drm/gpu/gbm_surfaceless.cc
index 138d207fdf78953297953866148eb3b979140155..b53dd04de9a3a0488af39c5c5547b172ce030812 100644
--- a/ui/ozone/platform/drm/gpu/gbm_surfaceless.cc
+++ b/ui/ozone/platform/drm/gpu/gbm_surfaceless.cc
@@ -38,15 +38,14 @@ bool GbmSurfaceless::OnSwapBuffers() {
   if (!controller)
     return true;
 
-  return controller->SchedulePageFlip(true /* is_sync */,
-                                      base::Bind(&base::DoNothing));
+  return controller->SchedulePageFlipWithoutCallback(true /* is_sync */);
 }
 
 bool GbmSurfaceless::OnSwapBuffersAsync(
     const SwapCompletionCallback& callback) {
   HardwareDisplayController* controller = window_delegate_->GetController();
   if (!controller) {
-    callback.Run();
+    callback.Run(gfx::SwapAck);
     return true;
   }