[Chromecast] Remove usage of nonreentrant functions.

chromecast/base/BUILD.gn

 # Copyright 2015 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("//chrome/version.gni")  # TODO layering violation!
 import("//chromecast/chromecast.gni")
 import("//testing/test.gni")
 
 if (is_android) {
   import("//build/config/android/rules.gni")
@@ skipping 28 matching lines @@
     "cast_resource.h",
     "chromecast_config_android.cc",
     "chromecast_config_android.h",
     "chromecast_switches.cc",
     "chromecast_switches.h",
     "device_capabilities.h",
     "device_capabilities_impl.cc",
     "device_capabilities_impl.h",
     "error_codes.cc",
     "error_codes.h",
+    "file_utils.cc",
+    "file_utils.h",
     "init_command_line_shlib.cc",
     "init_command_line_shlib.h",
     "path_utils.cc",
     "path_utils.h",
     "pref_names.cc",
     "pref_names.h",
     "process_utils.cc",
     "process_utils.h",
     "serializers.cc",
     "serializers.h",
@@ skipping 154 matching lines @@
       "$java_src_dir/org/chromium/chromecast/base/ChromecastConfigAndroid.java",
       "$java_src_dir/org/chromium/chromecast/base/DumpstateWriter.java",
       "$java_src_dir/org/chromium/chromecast/base/SystemTimeChangeNotifierAndroid.java",
     ]
 
     deps = [
       "//base:base_java",
     ]
   }
 }