Revert "Compile quic_server on MacOS"

net/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/crypto.gni")
 import("//build/config/features.gni")
 import("//build/config/ui.gni")
 import("//build/module_args/v8.gni")
 import("//url/config.gni")
 import("//testing/test.gni")
@@ skipping 1024 matching lines @@
     # TODO(jschuh): crbug.com/167187 fix size_t to int truncations.
     configs += [ "//build/config/compiler:no_size_t_to_int_warning" ]
     deps = [
       "//base",
       "//base:i18n",
       "//net/tools/tld_cleanup",
     ]
   }
 }
 
-if (is_linux || is_mac) {
+if (is_linux) {
   static_library("epoll_server") {
     sources = [
       "tools/epoll_server/epoll_server.cc",
       "tools/epoll_server/epoll_server.h",
+      "tools/epoll_server/linux_epoll_server.cc",
     ]
-    if (is_mac) {
-      sources += [ "tools/epoll_server/darwin_epoll_server.cc" ]
-    } else {
-      sources += [ "tools/epoll_server/linux_epoll_server.cc" ]
-    }
     deps = [
       ":net",
       "//base",
     ]
   }
-}
 
-if (is_linux) {
   static_library("flip_in_mem_edsm_server_base") {
     testonly = true
     sources = [
       "tools/dump_cache/url_to_filename_encoder.cc",
       "tools/dump_cache/url_to_filename_encoder.h",
       "tools/dump_cache/url_utilities.cc",
       "tools/dump_cache/url_utilities.h",
       "tools/flip_server/acceptor_thread.cc",
       "tools/flip_server/acceptor_thread.h",
       "tools/flip_server/constants.h",
@@ skipping 554 matching lines @@
   } else {
     sources -= [ "proxy/proxy_resolver_perftest.cc" ]
   }
 
   if (is_win && icu_use_data_file) {
     # This is needed to trigger the dll copy step on windows.
     # TODO(mark): Specifying this here shouldn't be necessary.
     deps += [ "//third_party/icu:icudata" ]
   }
 }