ozone: Add overlay candidate implementation that queries support via IPC

ui/ozone/common/gpu/ozone_gpu_message_params.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_COMMON_GPU_OZONE_GPU_MESSAGE_PARAMS_H_
 #define UI_OZONE_COMMON_GPU_OZONE_GPU_MESSAGE_PARAMS_H_
 
 #include <string>
 #include <vector>
 
 #include "ui/display/types/display_constants.h"
 #include "ui/gfx/geometry/point.h"
 #include "ui/gfx/geometry/size.h"
+#include "ui/gfx/overlay_transform.h"
 #include "ui/ozone/ozone_export.h"
+#include "ui/ozone/public/overlay_candidates_ozone.h"
+#include "ui/ozone/public/surface_factory_ozone.h"
 
 namespace ui {
 
 struct OZONE_EXPORT DisplayMode_Params {
   DisplayMode_Params();
   ~DisplayMode_Params();
 
   gfx::Size size;
   bool is_interlaced;
   float refresh_rate;
@@ skipping 12 matching lines @@
   std::string display_name;
   std::vector<DisplayMode_Params> modes;
   bool has_current_mode;
   DisplayMode_Params current_mode;
   bool has_native_mode;
   DisplayMode_Params native_mode;
   int64_t product_id;
   std::string string_representation;
 };
 
+struct OZONE_EXPORT OverlayCheck_Params {
+  OverlayCheck_Params();
+  OverlayCheck_Params(
+      const OverlayCandidatesOzone::OverlaySurfaceCandidate& candidate);
+  ~OverlayCheck_Params();
+
+  gfx::Size buffer_size;
+  gfx::OverlayTransform transform;
+  SurfaceFactoryOzone::BufferFormat format;
+  gfx::Rect display_rect;
+  int plane_z_order;
+};
+
 }  // namespace ui
 
 #endif  // UI_OZONE_COMMON_GPU_OZONE_GPU_MESSAGE_PARAMS_H_