Revert of ScreenWin Testability and Restructuring

ui/gfx/win/display_info.h

-// Copyright 2016 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_GFX_WIN_DISPLAY_INFO_H_
-#define UI_GFX_WIN_DISPLAY_INFO_H_
-
-#include <windows.h>
-#include <stdint.h>
-
-#include "ui/gfx/display.h"
-#include "ui/gfx/gfx_export.h"
-
-namespace gfx {
-namespace win {
-
-// Gathers the parameters necessary to create a gfx::win::ScreenWinDisplay.
-struct GFX_EXPORT DisplayInfo final {
-  DisplayInfo(const MONITORINFOEX& monitor_info, float device_scale_factor);
-  DisplayInfo(const MONITORINFOEX& monitor_info,
-              float device_scale_factor,
-              gfx::Display::Rotation rotation);
-
-  static int64_t DeviceIdFromDeviceName(const wchar_t* device_name);
-
-  int64_t id;
-  gfx::Display::Rotation rotation;
-  gfx::Rect screen_rect;
-  gfx::Rect screen_work_rect;
-  float device_scale_factor;
-};
-
-}  // namespace win
-}  // namespace gfx
-
-#endif  // UI_GFX_WIN_DISPLAY_INFO_H_