[Ozone-DRM] Move vsync logic into DrmWindow

ui/ozone/platform/drm/gpu/drm_window.h

Index: ui/ozone/platform/drm/gpu/drm_window.h
diff --git a/ui/ozone/platform/drm/gpu/drm_window.h b/ui/ozone/platform/drm/gpu/drm_window.h
index c6fae3e48cd841a8a586ff71a9e165d27d0a9343..fd2788df8a4d44a287a66b356673b8636498429e 100644
--- a/ui/ozone/platform/drm/gpu/drm_window.h
+++ b/ui/ozone/platform/drm/gpu/drm_window.h
@@ -12,6 +12,7 @@
 #include "ui/gfx/geometry/rect.h"
 #include "ui/gfx/native_widget_types.h"
 #include "ui/gfx/swap_result.h"
+#include "ui/gfx/vsync_provider.h"
 #include "ui/ozone/ozone_export.h"
 #include "ui/ozone/platform/drm/gpu/overlay_plane.h"
 #include "ui/ozone/platform/drm/gpu/page_flip_request.h"
@@ -95,6 +96,9 @@ class OZONE_EXPORT DrmWindow {
   // Returns the last buffer associated with this window.
   const OverlayPlane* GetLastModesetBuffer();
 
+  void GetVSyncParameters(
+      const gfx::VSyncProvider::UpdateVSyncCallback& callback) const;
+
  private:
   // Draw the last set cursor & update the cursor plane.
   void ResetCursor(bool bitmap_only);