Remove use of _USE_32BIT_TIME_T

third_party/libjingle/BUILD.gn

 # Copyright 2014 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/features.gni")
 
 # From third_party/libjingle/libjingle.gyp's target_defaults.
 config("jingle_unexported_configs") {
   defines = [
     "EXPAT_RELATIVE_PATH",
@@ skipping 15 matching lines @@
 
   include_dirs = [
     "overrides",
     "../../third_party/webrtc_overrides",
     "source",
     "../../testing/gtest/include",
     "../../third_party",
     "../../third_party/libyuv/include",
     "../../third_party/usrsctp/usrsctplib",
   ]
-
-  if (is_win && current_cpu == "x86") {
-    defines += [ "_USE_32BIT_TIME_T" ]
-  }
 }
 
 # From third_party/libjingle/libjingle.gyp's target_defaults.
 config("jingle_public_configs") {
   include_dirs = [
     "../../third_party/webrtc_overrides",
     "overrides",
     "source",
     "../../testing/gtest/include",
     "../../third_party",
@@ skipping 391 matching lines @@
       "$p2p_dir/stunprober/stunprober.cc",
     ]
 
     deps = [
       ":libjingle_webrtc_common",
       "//third_party/webrtc/base:rtc_base",
     ]
   }
 }  # enable_webrtc
 # TODO(GYP): Port libjingle.gyp's enable_webrtc condition block.