Change AccountManagerHelper initialization

components/signin/core/browser/android/javatests/src/org/chromium/components/signin/test/util/FakeAccountManagerDelegate.java

 // Copyright 2013 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.
 
 package org.chromium.components.signin.test.util;
 
 import android.accounts.Account;
 import android.accounts.AuthenticatorDescription;
 import android.app.Activity;
 import android.content.Context;
@@ skipping 21 matching lines @@
  *
  * If you want to auto-approve a given authtokentype, use addAccountHolderExplicitly(...) with
  * an AccountHolder you have built with hasBeenAccepted("yourAuthTokenType", true).
  *
  * If you want to auto-approve all auth token types for a given account, use the {@link
  * AccountHolder} builder method alwaysAccept(true).
  */
 public class FakeAccountManagerDelegate implements AccountManagerDelegate {
     private static final String TAG = "FakeAccountManager";
 
-    private final Context mContext;
     private final Set<AccountHolder> mAccounts = new HashSet<>();
 
     @VisibleForTesting
     public FakeAccountManagerDelegate(Context context, Account... accounts) {
-        mContext = context;
+        this(accounts);
+    }
+
+    @VisibleForTesting
+    public FakeAccountManagerDelegate(Account... accounts) {
         if (accounts != null) {
             for (Account account : accounts) {
                 mAccounts.add(AccountHolder.builder(account).alwaysAccept(true).build());
             }
         }
     }
 
     @Override
     public Account[] getAccountsByType(String type) {
         if (!AccountManagerHelper.GOOGLE_ACCOUNT_TYPE.equals(type)) {
@@ skipping 103 matching lines @@
             throw new IllegalArgumentException("Account can not be null");
         }
         for (AccountHolder accountHolder : mAccounts) {
             if (account.equals(accountHolder.getAccount())) {
                 return accountHolder;
             }
         }
         throw new IllegalArgumentException("Can not find AccountHolder for account " + account);
     }
 }