Remove ui/gfx/screen_type_delegate.h

ash/magnifier/magnification_controller_unittest.cc

 // 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.
 
 #include "ash/magnifier/magnification_controller.h"
 
 #include "ash/display/display_manager.h"
 #include "ash/shell.h"
 #include "ash/test/ash_test_base.h"
 #include "base/strings/stringprintf.h"
@@ skipping 685 matching lines @@
 // Make sure that unified desktop can enter magnified mode.
 TEST_F(MagnificationControllerTest, EnableMagnifierInUnifiedDesktop) {
   if (!SupportsMultipleDisplays())
     return;
   Shell::GetInstance()->display_manager()->SetUnifiedDesktopEnabled(true);
 
   EXPECT_EQ(1.0f, GetMagnificationController()->GetScale());
 
   GetMagnificationController()->SetEnabled(true);
 
-  gfx::Screen* screen =
-      gfx::Screen::GetScreenFor(Shell::GetPrimaryRootWindow());
+  gfx::Screen* screen = gfx::Screen::GetScreen();
 
   UpdateDisplay("500x500, 500x500");
   EXPECT_EQ("0,0 1000x500", screen->GetPrimaryDisplay().bounds().ToString());
   EXPECT_EQ(2.0f, GetMagnificationController()->GetScale());
 
   GetMagnificationController()->SetEnabled(false);
 
   EXPECT_EQ(1.0f, GetMagnificationController()->GetScale());
 
   GetMagnificationController()->SetEnabled(true);
   EXPECT_EQ(2.0f, GetMagnificationController()->GetScale());
 
   UpdateDisplay("500x500");
   EXPECT_EQ("0,0 500x500", screen->GetPrimaryDisplay().bounds().ToString());
   EXPECT_EQ(2.0f, GetMagnificationController()->GetScale());
 
   GetMagnificationController()->SetEnabled(false);
   EXPECT_EQ("0,0 500x500", screen->GetPrimaryDisplay().bounds().ToString());
   EXPECT_EQ(1.0f, GetMagnificationController()->GetScale());
 }
 
 }  // namespace ash