Revert of Move more utility functions to arc_util.

components/arc/arc_util.cc

 // Copyright 2017 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 "components/arc/arc_util.h"
 
 #include "base/command_line.h"
 #include "base/feature_list.h"
 #include "chromeos/chromeos_switches.h"
-#include "components/user_manager/user_manager.h"
 
 namespace arc {
 
 namespace {
 
 // This is for finch. See also crbug.com/633704 for details.
 // TODO(hidehiko): More comments of the intention how this works, when
 // we unify the commandline flags.
 const base::Feature kEnableArcFeature{"EnableARC",
                                       base::FEATURE_DISABLED_BY_DEFAULT};
 
 }  // namespace
 
 bool IsArcAvailable() {
   const auto* command_line = base::CommandLine::ForCurrentProcess();
   // TODO(hidehiko): Unify --enable-arc and --arc-available flags.
   // If switches::kEnableArc is set, the device is officially supported to run
   // ARC. If it is not, but switches::kArcAvailable is set, ARC is installed
   // but is not allowed to run unless |kEnableArcFeature| is true.
   return command_line->HasSwitch(chromeos::switches::kEnableArc) ||
          (command_line->HasSwitch(chromeos::switches::kArcAvailable) &&
           base::FeatureList::IsEnabled(kEnableArcFeature));
 }
 
 void SetArcAvailableCommandLineForTesting(base::CommandLine* command_line) {
   command_line->AppendSwitch(chromeos::switches::kEnableArc);
 }
 
-bool IsArcKioskMode() {
-  return user_manager::UserManager::Get()->IsLoggedInAsArcKioskApp();
-}
-
-bool IsArcOptInVerificationDisabled() {
-  const auto* command_line = base::CommandLine::ForCurrentProcess();
-  return command_line->HasSwitch(
-      chromeos::switches::kDisableArcOptInVerification);
-}
-
 }  // namespace arc