It is time.

ui/ozone/platform_selection.h

Index: ui/ozone/platform_selection.h
diff --git a/ui/ozone/platform_selection.h b/ui/ozone/platform_selection.h
deleted file mode 100644
index 5a1229fc76921d1db86676f30e02554564582f04..0000000000000000000000000000000000000000
--- a/ui/ozone/platform_selection.h
+++ /dev/null
@@ -1,21 +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.
-
-#ifndef UI_OZONE_PLATFORM_SELECTION_H_
-#define UI_OZONE_PLATFORM_SELECTION_H_
-
-#include "ui/ozone/ozone_export.h"
-#include "ui/ozone/platform_list.h"
-
-namespace ui {
-
-// Get active platform id (by parsing --ozone-platform flag).
-OZONE_EXPORT int GetOzonePlatformId();
-
-// Get active platform name.
-OZONE_EXPORT const char* GetOzonePlatformName();
-
-}  // namespace ui
-
-#endif  // UI_OZONE_PLATFORM_SELECTION_H_