1 // Copyright 2014 The Chromium Authors. All rights reserved. 2 // Use of this source code is governed by a BSD-style license that can be 3 // found in the LICENSE file. 4 5 package org.chromium.base; 6 7 import org.chromium.base.annotations.MainDex; 8 9 /** 10 * Helper to get field trial information. 11 */ 12 @MainDex 13 public class FieldTrialList { 14 FieldTrialList()15 private FieldTrialList() {} 16 17 /** 18 * @param trialName The name of the trial to get the group for. 19 * @return The group name chosen for the named trial, or the empty string if the trial does 20 * not exist. 21 */ findFullName(String trialName)22 public static String findFullName(String trialName) { 23 return nativeFindFullName(trialName); 24 } 25 26 /** 27 * @param trialName The name of the trial to get the group for. 28 * @return Whether the trial exists or not. 29 */ trialExists(String trialName)30 public static boolean trialExists(String trialName) { 31 return nativeTrialExists(trialName); 32 } 33 nativeFindFullName(String trialName)34 private static native String nativeFindFullName(String trialName); nativeTrialExists(String trialName)35 private static native boolean nativeTrialExists(String trialName); 36 } 37