[Ozone-DRI] Migrate cursor to using ScanoutBuffer

ui/ozone/platform/dri/hardware_display_controller.cc

 // Copyright 2014 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/dri/hardware_display_controller.h"
 
 #include <drm.h>
 #include <errno.h>
 #include <string.h>
 #include <xf86drm.h>
@@ skipping 184 matching lines @@
 void HardwareDisplayController::OnPageFlipEvent(unsigned int frame,
                                                 unsigned int seconds,
                                                 unsigned int useconds) {
   time_of_last_flip_ =
       static_cast<uint64_t>(seconds) * base::Time::kMicrosecondsPerSecond +
       useconds;
 
   surface_->SwapBuffers();
 }
 
-bool HardwareDisplayController::SetCursor(ScanoutSurface* surface) {
+bool HardwareDisplayController::SetCursor(scoped_refptr<ScanoutBuffer> buffer) {
   bool ret = drm_->SetCursor(crtc_id_,
-                             surface->GetHandle(),
-                             surface->Size().width(),
-                             surface->Size().height());
-  surface->SwapBuffers();
+                             buffer->GetHandle(),
+                             buffer->GetSize());
+  cursor_buffer_ = buffer;
   return ret;
 }
 
 bool HardwareDisplayController::UnsetCursor() {
-  return drm_->SetCursor(crtc_id_, 0, 0, 0);
+  cursor_buffer_ = NULL;
+  return drm_->SetCursor(crtc_id_, 0, gfx::Size());
 }
 
 bool HardwareDisplayController::MoveCursor(const gfx::Point& location) {
   if (is_disabled_)
     return true;
 
-  return drm_->MoveCursor(crtc_id_, location.x(), location.y());
+  return drm_->MoveCursor(crtc_id_, location);
 }
 
 }  // namespace ui