Remove base/platform_file.*

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.
 
 import("//build/config/android/rules.gni")
 import("//build/config/ui.gni")
 
 component("base") {
   sources = [
     "third_party/dmg_fp/dmg_fp.h",
@@ skipping 392 matching lines @@
     "os_compat_android.cc",
     "os_compat_android.h",
     "os_compat_nacl.cc",
     "os_compat_nacl.h",
     "path_service.cc",
     "path_service.h",
     "pending_task.cc",
     "pending_task.h",
     "pickle.cc",
     "pickle.h",
-    "platform_file.cc",
-    "platform_file.h",
-    "platform_file_posix.cc",
-    "platform_file_win.cc",
     "port.h",
     "posix/eintr_wrapper.h",
     "posix/file_descriptor_shuffle.cc",
     "posix/global_descriptors.cc",
     "posix/global_descriptors.h",
     "posix/unix_domain_socket_linux.cc",
     "posix/unix_domain_socket_linux.h",
     "power_monitor/power_monitor.cc",
     "power_monitor/power_monitor.h",
     "power_monitor/power_monitor_device_source.cc",
@@ skipping 705 matching lines @@
     "metrics/histogram_delta_serialization_unittest.cc",
     "metrics/histogram_snapshot_manager_unittest.cc",
     "metrics/histogram_unittest.cc",
     "metrics/sparse_histogram_unittest.cc",
     "metrics/stats_table_unittest.cc",
     "metrics/statistics_recorder_unittest.cc",
     "observer_list_unittest.cc",
     "os_compat_android_unittest.cc",
     "path_service_unittest.cc",
     "pickle_unittest.cc",
-    "platform_file_unittest.cc",
     "posix/file_descriptor_shuffle_unittest.cc",
     "posix/unix_domain_socket_linux_unittest.cc",
     "power_monitor/power_monitor_unittest.cc",
     "prefs/default_pref_store_unittest.cc",
     "prefs/json_pref_store_unittest.cc",
     "prefs/mock_pref_change_callback.h",
     "prefs/overlay_user_pref_store_unittest.cc",
     "prefs/pref_change_registrar_unittest.cc",
     "prefs/pref_member_unittest.cc",
     "prefs/pref_notifier_impl_unittest.cc",
@@ skipping 211 matching lines @@
     source_prereqs = [
       "android/java/templates/native_libraries_array.h",
       ]
 
     package_name = "org/chromium/base/library_loader"
     include_path = "android/java/templates"
   }
 
 
 }