[Ozone-GBM] Add basic support for display configuration over IPC

ui/ozone/common/chromeos/display_util.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_CHROMEOS_DISPLAY_UTIL_H_
+#define UI_OZONE_COMMON_CHROMEOS_DISPLAY_UTIL_H_
+
+#include "ui/ozone/common/gpu/ozone_gpu_message_params.h"
+
+namespace ui {
+
+class DisplayMode;
+class DisplaySnapshot;
+
+DisplayMode_Params GetDisplayModeParams(const DisplayMode& mode);
+DisplaySnapshot_Params GetDisplaySnapshotParams(
+    const DisplaySnapshot& display);
+
+}  // namespace ui
+
+#endif  // UI_OZONE_COMMON_CHROMEOS_DISPLAY_UTIL_H_