Remove IsDIPEnabled from Screen

ui/views/widget/desktop_aura/desktop_screen_x11.h

 // Copyright (c) 2013 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_X11_H_
 #define UI_VIEWS_WIDGET_DESKTOP_AURA_DESKTOP_SCREEN_X11_H_
 
 #include "base/timer/timer.h"
 #include "ui/events/platform/platform_event_dispatcher.h"
 #include "ui/gfx/display_change_notifier.h"
@@ skipping 13 matching lines @@
 
 // Our singleton screen implementation that talks to xrandr.
 class VIEWS_EXPORT DesktopScreenX11 : public gfx::Screen,
                                       public ui::PlatformEventDispatcher {
  public:
   DesktopScreenX11();
 
   virtual ~DesktopScreenX11();
 
   // Overridden from gfx::Screen:
-  virtual bool IsDIPEnabled() override;
   virtual gfx::Point GetCursorScreenPoint() override;
   virtual gfx::NativeWindow GetWindowUnderCursor() override;
   virtual gfx::NativeWindow GetWindowAtScreenPoint(const gfx::Point& point)
       override;
   virtual int GetNumDisplays() const override;
   virtual std::vector<gfx::Display> GetAllDisplays() const override;
   virtual gfx::Display GetDisplayNearestWindow(
       gfx::NativeView window) const override;
   virtual gfx::Display GetDisplayNearestPoint(
       const gfx::Point& point) const override;
@@ skipping 38 matching lines @@
   scoped_ptr<base::OneShotTimer<DesktopScreenX11> > configure_timer_;
 
   gfx::DisplayChangeNotifier change_notifier_;
 
   DISALLOW_COPY_AND_ASSIGN(DesktopScreenX11);
 };
 
 }  // namespace views
 
 #endif  // UI_VIEWS_WIDGET_DESKTOP_AURA_DESKTOP_SCREEN_X11_H_