Partially revert of Upstrem prefs changes

chrome/browser/prefs/incognito_mode_prefs.cc

Index: chrome/browser/prefs/incognito_mode_prefs.cc
diff --git a/chrome/browser/prefs/incognito_mode_prefs.cc b/chrome/browser/prefs/incognito_mode_prefs.cc
index 929263ae74625880ea853107c4a19882548273aa..3e2c062783880734d82b1851db1692f22dad14b1 100644
--- a/chrome/browser/prefs/incognito_mode_prefs.cc
+++ b/chrome/browser/prefs/incognito_mode_prefs.cc
@@ -213,11 +213,6 @@ void IncognitoModePrefs::InitializePlatformParentalControls() {
 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