Creating default implementation for aura::client::ScreenPositionClient

ui/views/widget/desktop_aura/desktop_screen_position_client.h

 // Copyright (c) 2012 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_VIEWS_WIDGET_DESKTOP_AURA_DESKTOP_SCREEN_POSITION_CLIENT_H_
 #define UI_VIEWS_WIDGET_DESKTOP_AURA_DESKTOP_SCREEN_POSITION_CLIENT_H_
 
-#include "ui/aura/client/screen_position_client.h"
 #include "ui/views/views_export.h"
+#include "ui/wm/core/default_screen_position_client.h"
 
 namespace views {
 
 // Client that always offsets by the toplevel RootWindow of the passed
 // in child NativeWidgetAura.
 class VIEWS_EXPORT DesktopScreenPositionClient
-    : public aura::client::ScreenPositionClient {
+    : public wm::DefaultScreenPositionClient {
  public:
   explicit DesktopScreenPositionClient(aura::Window* root_window);
   ~DesktopScreenPositionClient() override;
 
-  // aura::client::ScreenPositionClient overrides:
-  void ConvertPointToScreen(const aura::Window* window,
-                            gfx::Point* point) override;
-  void ConvertPointFromScreen(const aura::Window* window,
-                              gfx::Point* point) override;
-  void ConvertHostPointToScreen(aura::Window* window,
-                                gfx::Point* point) override;
+  // aura::client::DefaultScreenPositionClient:
   void SetBounds(aura::Window* window,
                  const gfx::Rect& bounds,
                  const gfx::Display& display) override;
 
+ protected:
+  bool PositionWindowInScreenCoordinates(aura::Window* window) override;
+
  private:
   aura::Window* root_window_;
 
   DISALLOW_COPY_AND_ASSIGN(DesktopScreenPositionClient);
 };
 
 }  // namespace views
 
 #endif  // UI_VIEWS_WIDGET_DESKTOP_AURA_DESKTOP_SCREEN_POSITION_CLIENT_H_