Update existing uses of /wd4267 to use the GN config

components/signin/core/browser/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.
 
 static_library("browser") {
   sources = [
     "about_signin_internals.cc",
     "about_signin_internals.h",
     "account_reconcilor.cc",
     "account_reconcilor.h",
@@ skipping 25 matching lines @@
     "signin_oauth_helper.cc",
     "signin_oauth_helper.h",
     "signin_tracker.cc",
     "signin_tracker.h",
     "webdata/token_service_table.cc",
     "webdata/token_service_table.h",
     "webdata/token_web_data.cc",
     "webdata/token_web_data.h",
   ]
 
+  configs += [ "//build/config/compiler:no_size_t_to_int_warning" ]
+
   deps = [
     "//base",
     "//crypto",
     "//google_apis",
     "//net",
     "//sql",
     "//third_party/icu",
     "//components/content_settings/core/browser",
     "//components/content_settings/core/common",
     "//components/keyed_service/core",
     "//components/os_crypt",
     "//components/webdata/common",
   ]
 
   if (is_android) {
     sources -= [
       "mutable_profile_oauth2_token_service.cc",
       "mutable_profile_oauth2_token_service.h",
     ]
   }
 
   if (is_chromeos) {
     sources -= [ "signin_manager.cc" ]
   }
-
-  if (is_win) {
-    # TODO(jschuh): crbug.com/167187 fix size_t to int truncations.
-    cflags = [ "/wd4267" ]
-  }
 }
 
 static_library("test_support") {
   testonly = true
   sources = [
     "fake_auth_status_provider.cc",
     "fake_auth_status_provider.h",
     "test_signin_client.cc",
     "test_signin_client.h",
   ]
 
   deps = [
     ":browser",
     "//testing/gtest",
   ]
 }