Remove ui/gfx/screen_type_delegate.h

ui/base/layout.cc

 // 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.
 
 #include "ui/base/layout.h"
 
 #include <stddef.h>
 
 #include <algorithm>
 #include <cmath>
@@ skipping 97 matching lines @@
   } else {
     delete g_supported_scale_factors;
     g_supported_scale_factors = NULL;
   }
 }
 
 }  // namespace test
 
 #if !defined(OS_MACOSX)
 float GetScaleFactorForNativeView(gfx::NativeView view) {
-  gfx::Screen* screen = gfx::Screen::GetScreenFor(view);
-  gfx::Display display = screen->GetDisplayNearestWindow(view);
-  return display.device_scale_factor();
+  return gfx::Screen::GetScreen()
+      ->GetDisplayNearestWindow(view)
+      .device_scale_factor();
 }
 #endif  // !defined(OS_MACOSX)
 
 }  // namespace ui