Split //ui/display and create //ui/display/manager.

ui/display/chromeos/display_snapshot_virtual.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_DISPLAY_CHROMEOS_DISPLAY_SNAPSHOT_VIRTUAL_H_
-#define UI_DISPLAY_CHROMEOS_DISPLAY_SNAPSHOT_VIRTUAL_H_
-
-#include <stdint.h>
-
-#include <memory>
-
-#include "base/macros.h"
-#include "ui/display/display_export.h"
-#include "ui/display/types/display_mode.h"
-#include "ui/display/types/display_snapshot.h"
-
-namespace ui {
-
-// This class represents a virtual display to be enabled on demand. The display
-// is constructed for the desired pixel resolution.
-class DISPLAY_EXPORT DisplaySnapshotVirtual : public DisplaySnapshot {
- public:
-  // |display_id| is the numerical identifier for the virtual display,
-  // |display_size| is the pixel dimensions for the display.
-  DisplaySnapshotVirtual(int64_t display_id, const gfx::Size& display_size);
-  ~DisplaySnapshotVirtual() override;
-
-  // DisplaySnapshot overrides.
-  std::string ToString() const override;
-
- private:
-  std::unique_ptr<DisplayMode> mode_;
-  DISALLOW_COPY_AND_ASSIGN(DisplaySnapshotVirtual);
-};
-
-}  // namespace ui
-
-#endif  // UI_DISPLAY_CHROMEOS_DISPLAY_SNAPSHOT_VIRTUAL_H_