Handle floating point coordinates from ozone to exosphere

ui/wm/core/default_screen_position_client.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_WM_CORE_DEFAULT_SCREEN_POSITION_CLIENT_H_
 #define UI_WM_CORE_DEFAULT_SCREEN_POSITION_CLIENT_H_
 
 #include "base/macros.h"
 #include "ui/aura/client/screen_position_client.h"
 #include "ui/wm/wm_export.h"
 
 namespace wm {
 
 // Client that always offsets by the toplevel RootWindow of the passed
 // in child NativeWidgetAura.
 class WM_EXPORT DefaultScreenPositionClient
     : public aura::client::ScreenPositionClient {
  public:
   DefaultScreenPositionClient();
   ~DefaultScreenPositionClient() override;
 
   // aura::client::ScreenPositionClient overrides:
   void ConvertPointToScreen(const aura::Window* window,
                             gfx::Point* point) override;
+  void ConvertPointToScreenF(const aura::Window* window,
+                             gfx::PointF* point) override;
   void ConvertPointFromScreen(const aura::Window* window,
                               gfx::Point* point) override;
+  void ConvertPointFromScreenF(const aura::Window* window,
+                               gfx::PointF* point) override;
+
   void ConvertHostPointToScreen(aura::Window* window,
                                 gfx::Point* point) override;
   void SetBounds(aura::Window* window,
                  const gfx::Rect& bounds,
                  const display::Display& display) override;
 
  protected:
   // Returns the origin of the host platform-window in system pixel coordinates.
   gfx::Point GetOriginInScreen(const aura::Window* root_window);
 
  private:
   DISALLOW_COPY_AND_ASSIGN(DefaultScreenPositionClient);
 };
 
 }  // namespace wm
 
 #endif  // UI_WM_CORE_DEFAULT_SCREEN_POSITION_CLIENT_H_