Update existing uses of /wd4267 to use the GN config

storage/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.
 
 # GYP version: storage/storage_browser.gyp:storage
 component("browser") {
   output_name = "storage_browser"
   sources = [
     "storage_browser_export.h",
     "blob/blob_data_builder.cc",
@@ skipping 152 matching lines @@
     "quota/special_storage_policy.h",
     "quota/storage_monitor.cc",
     "quota/storage_monitor.h",
     "quota/storage_observer.cc",
     "quota/storage_observer.h",
     "quota/usage_tracker.cc",
     "quota/usage_tracker.h",
   ]
 
   defines = [ "STORAGE_BROWSER_IMPLEMENTATION" ]
-  configs += [ "//build/config/compiler:wexit_time_destructors" ]
-  if (is_win) {
-    cflags = [ "/wd4267" ]  # TODO(jschuh): fix size_t to int truncations.
-  }
+  configs += [
+    # TODO(jschuh): crbug.com/167187 fix size_t to int truncations.
+    "//build/config/compiler:no_size_t_to_int_warning",
+    "//build/config/compiler:wexit_time_destructors",
+  ]
 
   deps = [
     "//base",
     "//base:i18n",
     "//base/third_party/dynamic_annotations",
     "//net",
     "//sql",
     "//storage/common",
     "//third_party/leveldatabase",
     "//third_party/sqlite",
@@ skipping 12 matching lines @@
   sources = [
     "fileapi/dump_file_system.cc",
   ]
 
   deps = [
     ":browser",
     "//base",
     "//storage/common",
   ]
 }