Partially revert of Upstrem prefs changes

chrome/browser/prefs/incognito_mode_prefs.cc

 // Copyright (c) 2012 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 "chrome/browser/prefs/incognito_mode_prefs.h"
 
 #include <stdint.h>
 
 #include "base/command_line.h"
 #include "base/logging.h"
@@ skipping 195 matching lines @@
       FROM_HERE,
       base::Bind(
           base::IgnoreResult(&PlatformParentalControlsValue::GetInstance)));
 }
 #endif
 
 // static
 bool IncognitoModePrefs::ArePlatformParentalControlsEnabled() {
 #if defined(OS_WIN)
   return PlatformParentalControlsValue::GetInstance()->is_enabled();
-#elif defined(OS_ANDROID) && defined(USE_AURA)
-  // TODO(bshe): Support parental controls for Aura Android. See
-  // crbug.com/564742
-  NOTIMPLEMENTED();
-  return false;
 #elif BUILDFLAG(ANDROID_JAVA_UI)
   return chrome::android::ChromeApplication::AreParentalControlsEnabled();
 #else
   return false;
 #endif
 }