Remove touch layout

ui/base/ui_base_switches.cc

 // Copyright (c) 2012 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/base/ui_base_switches.h"
 
 namespace switches {
 
 #if defined(OS_MACOSX) && !defined(OS_IOS)
 // Disable use of CoreAnimation to draw on the Mac.
@@ skipping 31 matching lines @@
 const char kLang[] = "lang";
 
 // Load the locale resources from the given path. When running on Mac/Unix the
 // path should point to a locale.pak file.
 const char kLocalePak[] = "locale_pak";
 
 // Disable ui::MessageBox. This is useful when running as part of scripts that
 // do not have a user interface.
 const char kNoMessageBox[] = "no-message-box";
 
-// Enables UI changes that make it easier to use with a touchscreen.
-// WARNING: Do not check this flag directly when deciding what UI to draw,
-// instead you must call ui::GetDisplayLayout
-const char kTouchOptimizedUI[] = "touch-optimized-ui";
-
-// The values the kTouchOptimizedUI switch may have, as in
-// "--touch-optimized-ui=disabled".
-//   auto: Enabled on monitors which have touchscreen support (default).
-const char kTouchOptimizedUIAuto[] = "auto";
-//   enabled: always optimized for touch (even if no touch support).
-const char kTouchOptimizedUIEnabled[] = "enabled";
-//   disabled: never optimized for touch.
-const char kTouchOptimizedUIDisabled[] = "disabled";
-
 }  // namespace switches