win: build fixes

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("//url/config.gni")
 
 # TODO(cjhopman): //build/config/android/rules.gni also imports grit_rule.gni.
@@ skipping 570 matching lines @@
     "server/http_server_response_info.cc",
     "server/http_server_response_info.h",
     "server/web_socket.cc",
     "server/web_socket.h",
   ]
   configs += [ "//build/config/compiler:wexit_time_destructors" ]
   deps = [
     ":net",
     "//base",
   ]
+  if (is_win) {
+    cflags = [
+      "/wd4267",
+    ]
+  }
 }
 
 executable("dump_cache") {
   testonly = true
   sources = [
     "tools/dump_cache/cache_dumper.cc",
     "tools/dump_cache/cache_dumper.h",
     "tools/dump_cache/dump_cache.cc",
     "tools/dump_cache/dump_files.cc",
     "tools/dump_cache/dump_files.h",
@@ skipping 785 matching lines @@
   sources = [ "quic/quic_server_bin.cc" ]
   deps = [
     ":quic_tools",
     ":net",
     "//base",
     "//third_party/boringssl",
   ]
 }
 
 }  # !is_android