Remove base/platform_file.*

base/files/scoped_platform_file_closer.cc

Index: base/files/scoped_platform_file_closer.cc
diff --git a/base/files/scoped_platform_file_closer.cc b/base/files/scoped_platform_file_closer.cc
deleted file mode 100644
index 44f67521b8820e3424f568f063bbeb8988302f0c..0000000000000000000000000000000000000000
--- a/base/files/scoped_platform_file_closer.cc
+++ /dev/null
@@ -1,16 +0,0 @@
-// Copyright 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 "base/files/scoped_platform_file_closer.h"
-
-namespace base {
-namespace internal {
-
-void PlatformFileCloser::operator()(PlatformFile* file) const {
-  if (file && *file != kInvalidPlatformFileValue)
-    ClosePlatformFile(*file);
-}
-
-}  // namespace internal
-}  // namespace base