Cleanup of system settings constants (ab)use.

chrome/browser/ui/views/chrome_views_delegate_chromeos.cc

 // Copyright 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 "chrome/browser/ui/views/chrome_views_delegate.h"
 
 #include "base/time.h"
 #include "chrome/browser/chromeos/login/startup_utils.h"
 #include "chrome/browser/chromeos/login/user_manager.h"
 #include "chrome/browser/chromeos/system/statistics_provider.h"
 #include "chromeos/chromeos_constants.h"
 
 base::TimeDelta
 ChromeViewsDelegate::GetDefaultTextfieldObscuredRevealDuration() {
   // Enable password echo during OOBE when keyboard driven flag is set.
   if (chromeos::UserManager::IsInitialized() &&
       !chromeos::UserManager::Get()->IsUserLoggedIn() &&
       !chromeos::StartupUtils::IsOobeCompleted()) {
     bool keyboard_driven_oobe = false;
     chromeos::system::StatisticsProvider::GetInstance()->GetMachineFlag(
-        chromeos::kOemKeyboardDrivenOobeKey, &keyboard_driven_oobe);
+        chromeos::system::kOemKeyboardDrivenOobeKey, &keyboard_driven_oobe);
     if (keyboard_driven_oobe)
       return base::TimeDelta::FromSeconds(1);
   }
 
   return base::TimeDelta();
 }