Update existing uses of /wd4267 to use the GN config

sql/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.
 
 import("//testing/test.gni")
 
 component("sql") {
   sources = [
     "connection.cc",
     "connection.h",
     "error_delegate_util.cc",
     "error_delegate_util.h",
     "init_status.h",
     "meta_table.cc",
     "meta_table.h",
     "recovery.cc",
     "recovery.h",
     "statement.cc",
     "statement.h",
     "transaction.cc",
     "transaction.h",
   ]
 
+  # TODO(jschuh): crbug.com/167187 fix size_t to int truncations.
+  configs += [ "//build/config/compiler:no_size_t_to_int_warning" ]
+
   defines = [ "SQL_IMPLEMENTATION" ]
 
-  if (is_win) {
-    cflags = [ "/wd4267" ]  # size_t to int.
-  }
-
   deps = [
     "//base",
     "//third_party/sqlite",
     "//base/third_party/dynamic_annotations",
   ]
 }
 
 source_set("test_support") {
   testonly = true
   sources = [
@@ skipping 21 matching lines @@
     "sqlite_features_unittest.cc",
     "statement_unittest.cc",
     "test/paths.cc",
     "test/paths.h",
     "test/run_all_unittests.cc",
     "test/sql_test_suite.cc",
     "test/sql_test_suite.h",
     "transaction_unittest.cc",
   ]
 
-  if (is_win) {
-    cflags = [ "/wd4267" ]  # size_t -> int
-  }
+  # TODO(jschuh): crbug.com/167187 fix size_t to int truncations.
+  configs += [ "//build/config/compiler:no_size_t_to_int_warning" ]
 
   deps = [
     ":sql",
     ":test_support",
     "//base/allocator",
     "//base/test:test_support",
     "//testing/gtest",
     "//third_party/sqlite",
   ]
 
@@ skipping 10 matching lines @@
   #'target_name': 'sql_unittests_apk',
   #'type': 'none',
   #'dependencies': [
   #  'sql_unittests',
   #],
   #'variables': {
   #  'test_suite_name': 'sql_unittests',
   #},
   #'includes': [ '../build/apk_test.gypi' ],
 }