Base: Move platform_file.* to files/base_file.*

base/base.gypi

 # Copyright (c) 2012 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.
 
 {
   'target_defaults': {
     'variables': {
       'base_target': 0,
     },
     'target_conditions': [
@@ skipping 156 matching lines @@
           'file_util_android.cc',
           'file_util_linux.cc',
           'file_util_mac.mm',
           'file_util_posix.cc',
           'file_util_win.cc',
           'file_version_info.h',
           'file_version_info_mac.h',
           'file_version_info_mac.mm',
           'file_version_info_win.cc',
           'file_version_info_win.h',
+          'files/base_file.cc',
+          'files/base_file.h',
+          'files/base_file_posix.cc',
+          'files/base_file_win.cc',
           'files/dir_reader_fallback.h',
           'files/dir_reader_linux.h',
           'files/dir_reader_posix.h',
           'files/file_enumerator.cc',
           'files/file_enumerator.h',
           'files/file_enumerator_posix.cc',
           'files/file_enumerator_win.cc',
           'files/file_path.cc',
           'files/file_path.h',
           'files/file_path_constants.cc',
@@ skipping 748 matching lines @@
           ['<(toolkit_uses_gtk) == 1', {
             'sources!': [
               'x11/x11_error_tracker.cc',
             ],
           }],
         ],
       }],
     ],
   },
 }