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

ui/events/test/keyboard_layout_win.cc

-// Copyright 2016 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.
-
-#include "ui/events/test/keyboard_layout.h"
-
-#include "base/logging.h"
-
-namespace ui {
-
-// |LoadKeyboardLayout()| ensures the locale to be loaded into the system
-// (Similar to temporarily adding a locale in Control Panel), otherwise
-// |ToUnicodeEx()| will fall-back to the default locale.
-// See MSDN LoadKeyboardLayout():
-// https://msdn.microsoft.com/en-us/library/windows/desktop/ms646305(v=vs.85).aspx
-// And language constants and strings:
-// https://msdn.microsoft.com/en-us/library/windows/desktop/dd318693(v=vs.85).aspx
-PlatformKeyboardLayout GetPlatformKeyboardLayout(KeyboardLayout layout) {
-  switch (layout) {
-    case KEYBOARD_LAYOUT_ENGLISH_US:
-      return LoadKeyboardLayout(L"00000409", KLF_ACTIVATE);
-    case KEYBOARD_LAYOUT_FRENCH:
-      return LoadKeyboardLayout(L"0000040c", KLF_ACTIVATE);
-    case KEYBOARD_LAYOUT_GERMAN:
-      return LoadKeyboardLayout(L"00000407", KLF_ACTIVATE);
-    case KEYBOARD_LAYOUT_GREEK:
-      return LoadKeyboardLayout(L"00000408", KLF_ACTIVATE);
-    case KEYBOARD_LAYOUT_JAPANESE:
-      return LoadKeyboardLayout(L"00000411", KLF_ACTIVATE);
-    case KEYBOARD_LAYOUT_KOREAN:
-      return LoadKeyboardLayout(L"00000412", KLF_ACTIVATE);
-    case KEYBOARD_LAYOUT_RUSSIAN:
-      return LoadKeyboardLayout(L"00000419", KLF_ACTIVATE);
-  }
-
-  NOTREACHED();
-  return 0;
-}
-
-PlatformKeyboardLayout ScopedKeyboardLayout::GetActiveLayout() {
-  return GetKeyboardLayout(0);
-}
-
-void ScopedKeyboardLayout::ActivateLayout(PlatformKeyboardLayout layout) {
-  DCHECK(layout);
-  HKL result = ActivateKeyboardLayout(layout, 0);
-  DCHECK(!!result);
-}
-
-}  // namespace ui