text: // Copyright 2018 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 "ios/chrome/browser/ios_chrome_field_trials.h"
  
  #include "base/path_service.h"
  #include "components/metrics/persistent_histograms.h"
  #include "ios/chrome/browser/chrome_paths.h"
  
  void IOSChromeFieldTrials::SetupFieldTrials() {
    // Persistent histograms must be enabled as soon as possible.
    base::FilePath user_data_dir;
    if (base::PathService::Get(ios::DIR_USER_DATA, &user_data_dir)) {
      InstantiatePersistentHistograms(user_data_dir);
    }
  }
  
  void IOSChromeFieldTrials::SetupFeatureControllingFieldTrials(
      bool has_seed,
      base::FeatureList* feature_list) {
    // Add code here to enable field trials that are active at first run.
    // See http://crrev/c/1128269 for an example.
  }
  