Use mojo for cursor control in ozone drm

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

Index: ui/ozone/platform/drm/gpu/drm_thread_proxy.h
diff --git a/ui/ozone/platform/drm/gpu/drm_thread_proxy.h b/ui/ozone/platform/drm/gpu/drm_thread_proxy.h
index 707509ae0dae2d34af1f0988e54d17254fcc0c78..5dd073b06459fedff56578e92c24fe1201a9faf1 100644
--- a/ui/ozone/platform/drm/gpu/drm_thread_proxy.h
+++ b/ui/ozone/platform/drm/gpu/drm_thread_proxy.h
@@ -10,6 +10,11 @@
 #include "base/macros.h"
 #include "base/memory/ref_counted.h"
 #include "ui/ozone/platform/drm/gpu/drm_thread.h"
+#include "ui/ozone/public/interfaces/device_cursor.mojom.h"
+
+namespace shell {
+class Connection;
+}
 
 namespace ui {
 
@@ -43,6 +48,9 @@ class DrmThreadProxy {
   void GetScanoutFormats(gfx::AcceleratedWidget widget,
                          std::vector<gfx::BufferFormat>* scanout_formats);
 
+  void AddBinding(shell::Connection* connection,
+                  ozone::mojom::DeviceCursorRequest request);
+
  private:
   DrmThread drm_thread_;