Update from https://crrev.com/309717

ui/base/ui_base_switches_util.cc

 // Copyright (c) 2013 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_util.h"
 
 #include "base/command_line.h"
 #include "ui/base/ui_base_switches.h"
 
+using base::CommandLine;
+
 namespace switches {
 
 bool IsTextInputFocusManagerEnabled() {
   return CommandLine::ForCurrentProcess()->HasSwitch(
       switches::kEnableTextInputFocusManager);
 }
 
 bool IsTouchDragDropEnabled() {
 #if defined(OS_CHROMEOS)
   return !CommandLine::ForCurrentProcess()->HasSwitch(
@@ skipping 14 matching lines @@
 #endif
 }
 
 bool IsTouchFeedbackEnabled() {
   static bool touch_feedback_enabled = CommandLine::ForCurrentProcess()->
       HasSwitch(switches::kEnableTouchFeedback);
   return touch_feedback_enabled;
 }
 
 }  // namespace switches