Reland of Force U.S. English keyboard layout for TextfieldTest.KeysWithModifiersTest

chrome/test/chromedriver/BUILD.gn

 # Copyright 2015 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/ui.gni")
 import("//testing/test.gni")
 
 action("embed_js_in_cpp") {
   script = "embed_js_in_cpp.py"
 
@@ skipping 370 matching lines @@
 test("chromedriver_tests") {
   sources = [
     "key_converter_unittest.cc",
     "keycode_text_conversion_unittest.cc",
     "net/net_util_unittest.cc",
     "net/port_server_unittest.cc",
     "net/sync_websocket_impl_unittest.cc",
     "net/test_http_server.cc",
     "net/test_http_server.h",
     "net/websocket_unittest.cc",
-    "test_util.cc",
-    "test_util.h",
   ]
 
   # TODO(jschuh): crbug.com/167187 fix size_t to int truncations.
   configs += [ "//build/config/compiler:no_size_t_to_int_warning" ]
 
   deps = [
     ":lib",
     "//base",
     "//base/test:run_all_unittests",
     "//net",
     "//net:http_server",
     "//net:test_support",
     "//testing/gtest",
+    "//ui/events:test_support",
     "//url",
   ]
 }