Change AccountManagerHelper initialization

components/signin/core/browser/android/java/src/org/chromium/components/signin/ChildAccountInfoFetcher.java

 // Copyright 2015 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;
 
 import android.accounts.Account;
 import android.content.BroadcastReceiver;
 import android.content.Context;
 import android.content.Intent;
@@ skipping 73 matching lines @@
     }
 
     private void setIsChildAccount(boolean isChildAccount) {
         Log.d(TAG, "Setting child account status for %s to %s", mAccount.name,
                 Boolean.toString(isChildAccount));
         nativeSetIsChildAccount(mNativeAccountFetcherService, mAccountId, isChildAccount);
     }
 
     @CalledByNative
     private static void initializeForTests() {
-        Context context = ContextUtils.getApplicationContext();
         AccountManagerDelegate delegate = new SystemAccountManagerDelegate();
-        AccountManagerHelper.overrideAccountManagerHelperForTests(context, delegate);
+        AccountManagerHelper.overrideAccountManagerHelperForTests(delegate);
     }
 
     private static native void nativeSetIsChildAccount(
             long accountFetcherServicePtr, String accountId, boolean isChildAccount);
 }