Use mojo for cursor control in ozone drm

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

 // 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.
 
 #ifndef UI_OZONE_PLATFORM_DRM_GPU_DRM_THREAD_PROXY_H_
 #define UI_OZONE_PLATFORM_DRM_GPU_DRM_THREAD_PROXY_H_
 
 #include <memory>
 
 #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 {
 
 class DrmWindowProxy;
 class InterThreadMessagingProxy;
 
 // Mediates the communication between GPU main/IO threads and the DRM thread. It
 // serves proxy objects that are safe to call on the GPU threads. The proxy
 // objects then deal with safely posting the messages to the DRM thread.
 class DrmThreadProxy {
@@ skipping 14 matching lines @@
   scoped_refptr<GbmBuffer> CreateBufferFromFds(
       gfx::AcceleratedWidget widget,
       const gfx::Size& size,
       gfx::BufferFormat format,
       std::vector<base::ScopedFD>&& fds,
       const std::vector<gfx::NativePixmapPlane>& planes);
 
   void GetScanoutFormats(gfx::AcceleratedWidget widget,
                          std::vector<gfx::BufferFormat>* scanout_formats);
 
+  void AddBinding(ozone::mojom::DeviceCursorRequest request);
+
  private:
   DrmThread drm_thread_;
 
   DISALLOW_COPY_AND_ASSIGN(DrmThreadProxy);
 };
 
 }  // namespace ui
 
 #endif  // UI_OZONE_PLATFORM_DRM_GPU_DRM_THREAD_PROXY_H_