Use injection and remove ozone dependency from ui/display

ui/display/chromeos/ozone/display_configurator_ozone.cc

Index: ui/display/chromeos/ozone/display_configurator_ozone.cc
diff --git a/ui/display/chromeos/ozone/display_configurator_ozone.cc b/ui/display/chromeos/ozone/display_configurator_ozone.cc
deleted file mode 100644
index 858d21f8b3654fc3784454fa510505c5cdb008ed..0000000000000000000000000000000000000000
--- a/ui/display/chromeos/ozone/display_configurator_ozone.cc
+++ /dev/null
@@ -1,17 +0,0 @@
-// 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.
-
-#include "ui/display/chromeos/display_configurator.h"
-
-#include "ui/display/types/native_display_delegate.h"
-#include "ui/ozone/public/ozone_platform.h"
-
-namespace ui {
-
-scoped_ptr<NativeDisplayDelegate>
-DisplayConfigurator::CreatePlatformNativeDisplayDelegate() {
-  return ui::OzonePlatform::GetInstance()->CreateNativeDisplayDelegate();
-}
-
-}  // namespace ui