|  | /* | 
|  | *  Copyright (c) 2014 The WebRTC project authors. All Rights Reserved. | 
|  | * | 
|  | *  Use of this source code is governed by a BSD-style license | 
|  | *  that can be found in the LICENSE file in the root of the source | 
|  | *  tree. An additional intellectual property rights grant can be found | 
|  | *  in the file PATENTS.  All contributing project authors may | 
|  | *  be found in the AUTHORS file in the root of the source tree. | 
|  | */ | 
|  |  | 
|  | #include "test/field_trial.h" | 
|  |  | 
|  | #include <algorithm> | 
|  | #include <cstdio> | 
|  | #include <cstdlib> | 
|  | #include <map> | 
|  | #include <string> | 
|  |  | 
|  | #include "system_wrappers/include/field_trial.h" | 
|  |  | 
|  | namespace webrtc { | 
|  | namespace test { | 
|  | void ValidateFieldTrialsStringOrDie(const std::string&) {} | 
|  |  | 
|  | ScopedFieldTrials::ScopedFieldTrials(const std::string& config) | 
|  | : previous_field_trials_(webrtc::field_trial::GetFieldTrialString()) { | 
|  | current_field_trials_ = config; | 
|  | webrtc::field_trial::InitFieldTrialsFromString(current_field_trials_.c_str()); | 
|  | } | 
|  |  | 
|  | ScopedFieldTrials::~ScopedFieldTrials() { | 
|  | webrtc::field_trial::InitFieldTrialsFromString(previous_field_trials_); | 
|  | } | 
|  |  | 
|  | }  // namespace test | 
|  | }  // namespace webrtc |