Revert of Adding status to swap complete

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

Index: ui/ozone/platform/drm/gpu/drm_surface.cc
diff --git a/ui/ozone/platform/drm/gpu/drm_surface.cc b/ui/ozone/platform/drm/gpu/drm_surface.cc
index 6528dbf9b10d0eac24d6dedf51981dd22b14ada7..ccf0ce78392409dde22a19453cfbb76609d276f3 100644
--- a/ui/ozone/platform/drm/gpu/drm_surface.cc
+++ b/ui/ozone/platform/drm/gpu/drm_surface.cc
@@ -20,8 +20,6 @@
 namespace ui {
 
 namespace {
-void EmptyPageFlipCallback(gfx::SwapResult result) {
-}
 
 scoped_refptr<DrmBuffer> AllocateBuffer(const scoped_refptr<DrmDevice>& drm,
                                         const gfx::Size& size) {
@@ -73,7 +71,7 @@
 
   UpdateNativeSurface(damage);
   window_delegate_->SchedulePageFlip(true /* is_sync */,
-                                     base::Bind(&EmptyPageFlipCallback));
+                                     base::Bind(&base::DoNothing));
 
   // Update our front buffer pointer.
   front_buffer_ ^= 1;