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

ui/ozone/common/chromeos/display_snapshot_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_SNAPSHOT_PROXY_H_
+#define UI_OZONE_COMMON_CHROMEOS_DISPLAY_SNAPSHOT_PROXY_H_
+
+#include "ui/display/types/chromeos/display_snapshot.h"
+
+namespace ui {
+
+struct DisplaySnapshot_Params;
+
+class DisplaySnapshotProxy : public DisplaySnapshot {
+ public:
+  DisplaySnapshotProxy(const DisplaySnapshot_Params& params);
+  virtual ~DisplaySnapshotProxy();
+
+  // DisplaySnapshot override:
+  virtual std::string ToString() const OVERRIDE;
+
+ private:
+  std::string string_representation_;
+
+  DISALLOW_COPY_AND_ASSIGN(DisplaySnapshotProxy);
+};
+
+}  // namespace ui
+
+#endif  // UI_OZONE_COMMON_CHROMEOS_DISPLAY_SNAPSHOT_PROXY_H_