ozone: drm: Restore cursor in CrtcController::Modeset

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

 // 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.
 
 #ifndef UI_OZONE_PLATFORM_DRM_GPU_CRTC_CONTROLLER_H_
 #define UI_OZONE_PLATFORM_DRM_GPU_CRTC_CONTROLLER_H_
 
 #include <stddef.h>
 #include <stdint.h>
 #include <xf86drmMode.h>
@@ skipping 50 matching lines @@
   // kernel when a VBlank event finished. This allows the controller to
   // update internal state and propagate the update to the surface.
   // The tuple (seconds, useconds) represents the event timestamp. |seconds|
   // represents the number of seconds while |useconds| represents the
   // microseconds (< 1 second) in the timestamp.
   void OnPageFlipEvent(unsigned int frame,
                        unsigned int seconds,
                        unsigned int useconds);
 
   bool SetCursor(const scoped_refptr<ScanoutBuffer>& buffer);
-  bool UnsetCursor();
   bool MoveCursor(const gfx::Point& location);
 
   void AddObserver(PageFlipObserver* observer);
   void RemoveObserver(PageFlipObserver* observer);
 
  private:
+  bool ResetCursor();
+
   scoped_refptr<DrmDevice> drm_;
 
   HardwareDisplayPlaneManager* overlay_plane_manager_;  // Not owned.
 
   // Buffers need to be declared first so that they are destroyed last. Needed
   // since the controllers may reference the buffers.
   OverlayPlaneList current_planes_;
   OverlayPlaneList pending_planes_;
   scoped_refptr<ScanoutBuffer> cursor_buffer_;
 
@@ skipping 20 matching lines @@
   uint64_t time_of_last_flip_;
 
   ObserverList<PageFlipObserver> observers_;
 
   DISALLOW_COPY_AND_ASSIGN(CrtcController);
 };
 
 }  // namespace ui
 
 #endif  // UI_OZONE_PLATFORM_DRM_GPU_CRTC_CONTROLLER_H_