| // Copyright 2017 The Chromium Authors | |
| // Use of this source code is governed by a BSD-style license that can be | |
| // found in the LICENSE file. | |
| #import "base/command_line.h" | |
| #import "base/metrics/field_trial_params.h" | |
| #if !defined(__has_feature) || !__has_feature(objc_arc) | |
| #error "This file requires ARC support." | |
| #endif |