Refactor ozone drm cursor code for mojo

ui/ozone/platform/drm/host/drm_gpu_platform_support_host.cc

Index: ui/ozone/platform/drm/host/drm_gpu_platform_support_host.cc
diff --git a/ui/ozone/platform/drm/host/drm_gpu_platform_support_host.cc b/ui/ozone/platform/drm/host/drm_gpu_platform_support_host.cc
index 9f42ec2024fcc9e996c17083194c92a31e8cdce9..eba9b9a9ce2b4d35ac096bb06e7f0a6a7713382c 100644
--- a/ui/ozone/platform/drm/host/drm_gpu_platform_support_host.cc
+++ b/ui/ozone/platform/drm/host/drm_gpu_platform_support_host.cc
@@ -33,6 +33,7 @@ class CursorIPC : public DrmCursorProxy {
                  const gfx::Point& point,
                  int frame_delay_ms) override;
   void Move(gfx::AcceleratedWidget window, const gfx::Point& point) override;
+  void InitializeOnEvdev() override;
 
  private:
   bool IsConnected();
@@ -65,6 +66,8 @@ void CursorIPC::Move(gfx::AcceleratedWidget window, const gfx::Point& point) {
   Send(new OzoneGpuMsg_CursorMove(window, point));
 }
 
+void CursorIPC::InitializeOnEvdev() {}
+
 void CursorIPC::Send(IPC::Message* message) {
   if (IsConnected() &&
       send_runner_->PostTask(FROM_HERE, base::Bind(send_callback_, message)))