Introduce base::ScopedPlatformHandle

base/BUILD.gn

 # 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.
 
 # HOW TO WRITE CONDITIONALS IN THIS FILE
 # ======================================
 #
 # In many other places, one would write a conditional that expresses all the
 # cases when a source file is used or unused, and then either add or subtract
 # it from the sources list in that case
@@ skipping 366 matching lines @@
     "files/file_util_win.cc",
     "files/file_win.cc",
     "files/important_file_writer.cc",
     "files/important_file_writer.h",
     "files/memory_mapped_file.cc",
     "files/memory_mapped_file.h",
     "files/memory_mapped_file_posix.cc",
     "files/memory_mapped_file_win.cc",
     "files/scoped_file.cc",
     "files/scoped_file.h",
+    "files/scoped_platform_handle.cc",
+    "files/scoped_platform_handle.h",
+    "files/scoped_platform_handle_posix.cc",
+    "files/scoped_platform_handle_win.cc",
     "files/scoped_temp_dir.cc",
     "files/scoped_temp_dir.h",
     "format_macros.h",
     "gtest_prod_util.h",
     "guid.cc",
     "guid.h",
     "hash.cc",
     "hash.h",
     "id_map.h",
     "ios/block_types.h",
@@ skipping 1540 matching lines @@
     "files/file_descriptor_watcher_posix_unittest.cc",
     "files/file_locking_unittest.cc",
     "files/file_path_unittest.cc",
     "files/file_path_watcher_unittest.cc",
     "files/file_proxy_unittest.cc",
     "files/file_unittest.cc",
     "files/file_util_proxy_unittest.cc",
     "files/file_util_unittest.cc",
     "files/important_file_writer_unittest.cc",
     "files/memory_mapped_file_unittest.cc",
+    "files/scoped_platform_handle_unittest.cc",
     "files/scoped_temp_dir_unittest.cc",
     "gmock_unittest.cc",
     "guid_unittest.cc",
     "hash_unittest.cc",
     "i18n/break_iterator_unittest.cc",
     "i18n/case_conversion_unittest.cc",
     "i18n/char_iterator_unittest.cc",
     "i18n/character_encoding_unittest.cc",
     "i18n/file_util_icu_unittest.cc",
     "i18n/icu_string_conversions_unittest.cc",
@@ skipping 695 matching lines @@
 }
 
 fuzzer_test("base_json_correctness_fuzzer") {
   sources = [
     "json/correctness_fuzzer.cc",
   ]
   deps = [
     ":base",
   ]
 }