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

ui/ozone/common/chromeos/display_mode_proxy.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_MODE_PROXY_H_
+#define UI_OZONE_COMMON_CHROMEOS_DISPLAY_MODE_PROXY_H_
+
+#include "ui/display/types/chromeos/display_mode.h"
+
+namespace ui {
+
+struct DisplayMode_Params;
+
+class DisplayModeProxy : public DisplayMode {
+ public:
+  DisplayModeProxy(const DisplayMode_Params& params);
+  virtual ~DisplayModeProxy();
+
+ private:
+  DISALLOW_COPY_AND_ASSIGN(DisplayModeProxy);
+};
+
+}  // namespace ui
+
+#endif  // UI_OZONE_COMMON_CHROMEOS_DISPLAY_MODE_PROXY_H_