ozone: dri: add synchronous SwapBuffers support on surfaceless

ui/ozone/platform/dri/hardware_display_plane_manager.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_DRI_HARDWARE_DISPLAY_PLANE_MANAGER_H_
 #define UI_OZONE_PLATFORM_DRI_HARDWARE_DISPLAY_PLANE_MANAGER_H_
 
 #include <stddef.h>
 #include <stdint.h>
 #include <xf86drmMode.h>
@@ skipping 70 matching lines @@
 
   // Assign hardware planes from the |planes_| list to |overlay_list| entries,
   // recording the plane IDs in the |plane_list|. Only planes compatible with
   // |crtc_id| will be used. |overlay_list| must be sorted bottom-to-top.
   virtual bool AssignOverlayPlanes(HardwareDisplayPlaneList* plane_list,
                                    const OverlayPlaneList& overlay_list,
                                    uint32_t crtc_id,
                                    CrtcController* crtc);
 
   // Commit the plane states in |plane_list|.
-  virtual bool Commit(HardwareDisplayPlaneList* plane_list) = 0;
+  virtual bool Commit(HardwareDisplayPlaneList* plane_list, bool is_sync) = 0;
 
   // Set all planes in |plane_list| owned by |crtc_id| to free.
   static void ResetPlanes(HardwareDisplayPlaneList* plane_list,
                           uint32_t crtc_id);
 
   const ScopedVector<HardwareDisplayPlane>& planes() { return planes_; }
 
  protected:
   virtual bool SetPlaneData(HardwareDisplayPlaneList* plane_list,
                             HardwareDisplayPlane* hw_plane,
@@ skipping 14 matching lines @@
 
   ScopedVector<HardwareDisplayPlane> planes_;
   std::vector<uint32_t> crtcs_;
 
   DISALLOW_COPY_AND_ASSIGN(HardwareDisplayPlaneManager);
 };
 
 }  // namespace ui
 
 #endif  // UI_OZONE_PLATFORM_DRI_HARDWARE_DISPLAY_PLANE_MANAGER_H_