Update existing uses of /wd4267 to use the GN config

rlz/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.
 
 # Note that this build file assumes rlz_use_chrome_net which is a condition in
 # the GYP file, but is always true for Chrome builds.
 
 import("//testing/test.gni")
 
 config("rlz_config") {
@@ skipping 37 matching lines @@
     "win/lib/machine_id_win.cc",
     "win/lib/process_info.cc",
     "win/lib/process_info.h",
     "win/lib/registry_util.cc",
     "win/lib/registry_util.h",
     "win/lib/rlz_lib_win.cc",
     "win/lib/rlz_value_store_registry.cc",
     "win/lib/rlz_value_store_registry.h",
   ]
 
+  # TODO(jschuh): crbug.com/167187 fix size_t to int truncations.
+  configs += [ "//build/config/compiler:no_size_t_to_int_warning" ]
+
   public_configs = [ ":rlz_config" ]
 
   deps = [
     "//base",
     "//base/third_party/dynamic_annotations",
     "//net",
     "//third_party/zlib",
     "//url",
   ]
 
   if (is_ios) {
     # These _mac files are also used on iOS.
     set_sources_assignment_filter([])
     sources += [
       "mac/lib/rlz_value_store_mac.mm",
       "mac/lib/rlz_value_store_mac.h",
     ]
     set_sources_assignment_filter(sources_assignment_filter)
-  } else if (is_win) {
-    # TODO(jschuh): crbug.com/167187 fix size_t to int truncations.
-    cflags = [ "/wd4267" ]
   }
 }
 
 source_set("test_support") {
   testonly = true
   sources = [
     "test/rlz_test_helpers.cc",
     "test/rlz_test_helpers.h",
   ]
   deps = [
@@ skipping 10 matching lines @@
     "lib/crc8_unittest.cc",
     "lib/financial_ping_test.cc",
     "lib/lib_values_unittest.cc",
     "lib/machine_id_unittest.cc",
     "lib/rlz_lib_test.cc",
     "lib/string_utils_unittest.cc",
     "test/rlz_unittest_main.cc",
     "win/lib/machine_deal_test.cc",
   ]
 
+  # TODO(jschuh): crbug.com/167187 fix size_t to int truncations.
+  configs += [ "//build/config/compiler:no_size_t_to_int_warning" ]
+
   deps = [
     ":rlz_lib",
     ":test_support",
     "//base",
     "//base:prefs",
     "//net:test_support",
     "//testing/gmock",
     "//testing/gtest",
     "//third_party/zlib",
   ]
-
-  if (is_win) {
-    # TODO(jschuh): crbug.com/167187 fix size_t to int truncations.
-    cflags = [ "/wd4267" ]
-  }
 }
 
 executable("rlz_id") {
   sources = [
     "examples/rlz_id.cc",
   ]
   deps = [
     ":rlz_lib",
   ]
 }
 
 if (is_win) {
   shared_library("rlz") {
     sources = [
       "win/dll/dll_main.cc",
       "win/dll/exports.cc",
     ]
     deps = [
       ":rlz_lib",
       "//third_party/zlib",
     ]
   }
 }