Move remaining @CalledByNative methods out of ChromeApplication.

chrome/test/android/unit_tests_apk/src/org/chromium/chrome/unit_tests_apk/ChromeNativeTestApplication.java

 // Copyright 2014 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.chrome.unit_tests_apk;
 
 import org.chromium.chrome.browser.ChromeApplication;
 
 /**
  * A stub implementation of the chrome application to be used in chrome unit_tests.
  */
 public class ChromeNativeTestApplication extends ChromeApplication {
 
     @Override
-    protected boolean areParentalControlsEnabled() {
-        return false;
-    }
-
-    @Override
     public void initCommandLine() {
     }
 }