Remove IsDIPEnabled from Screen

ui/views/widget/desktop_aura/desktop_screen_win.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_WIN_H_
 #define UI_VIEWS_WIDGET_DESKTOP_AURA_DESKTOP_SCREEN_WIN_H_
 
 #include "ui/gfx/screen_win.h"
 #include "ui/views/views_export.h"
 
 namespace views {
 
 class VIEWS_EXPORT DesktopScreenWin : public gfx::ScreenWin {
 public:
   DesktopScreenWin();
   virtual ~DesktopScreenWin();
 
  private:
   // Overridden from gfx::ScreenWin:
-  virtual bool IsDIPEnabled() override;
   virtual gfx::Display GetDisplayMatching(
       const gfx::Rect& match_rect) const override;
   virtual HWND GetHWNDFromNativeView(gfx::NativeView window) const override;
   virtual gfx::NativeWindow GetNativeWindowFromHWND(HWND hwnd) const override;
 
   DISALLOW_COPY_AND_ASSIGN(DesktopScreenWin);
 };
 
 }  // namespace views
 
 #endif  // UI_VIEWS_WIDGET_DESKTOP_AURA_DESKTOP_SCREEN_WIN_H_