Use mojo for cursor control in ozone drm

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

 // Copyright 2015 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "ui/ozone/platform/drm/gpu/drm_thread_proxy.h"
 
 #include "base/bind.h"
 #include "base/memory/ptr_util.h"
 #include "ui/ozone/platform/drm/gpu/drm_thread_message_proxy.h"
 #include "ui/ozone/platform/drm/gpu/drm_window_proxy.h"
@@ skipping 45 matching lines @@
 
 void DrmThreadProxy::GetScanoutFormats(
     gfx::AcceleratedWidget widget,
     std::vector<gfx::BufferFormat>* scanout_formats) {
   PostSyncTask(
       drm_thread_.task_runner(),
       base::Bind(&DrmThread::GetScanoutFormats, base::Unretained(&drm_thread_),
                  widget, scanout_formats));
 }
 
+void DrmThreadProxy::AddBinding(ozone::mojom::DeviceCursorRequest request) {
+  drm_thread_.task_runner()->PostTask(
+      FROM_HERE,
+      base::Bind(&DrmThread::AddBinding, base::Unretained(&drm_thread_),
+                 base::Passed(&request)));
+}
+
 }  // namespace ui