Move PlatformSceen to services/ui/display.

services/ui/ws/platform_screen.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 SERVICES_UI_WS_PLATFORM_SCREEN_H_
-#define SERVICES_UI_WS_PLATFORM_SCREEN_H_
-
-#include <stdint.h>
-
-#include "base/callback.h"
-
-namespace gfx {
-class Rect;
-}
-
-namespace ui {
-namespace ws {
-
-// PlatformScreen provides the necessary functionality to configure all
-// attached physical displays.
-class PlatformScreen {
- public:
-  using ConfiguredDisplayCallback =
-      base::Callback<void(int64_t, const gfx::Rect&)>;
-
-  virtual ~PlatformScreen() {}
-
-  // Creates a PlatformScreen instance.
-  static std::unique_ptr<PlatformScreen> Create();
-
-  // Initializes platform specific screen resources.
-  virtual void Init() = 0;
-
-  // ConfigurePhysicalDisplay() configures a single physical display and returns
-  // its id and bounds for it via |callback|.
-  virtual void ConfigurePhysicalDisplay(
-      const ConfiguredDisplayCallback& callback) = 0;
-};
-
-}  // namespace ws
-}  // namespace ui
-
-#endif  // SERVICES_UI_WS_PLATFORM_SCREEN_H_