Remove WebUI NTP on Android.

chrome/browser/android/new_tab_page_prefs.cc

 // 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.
 
 #include "chrome/browser/android/new_tab_page_prefs.h"
 
 #include <jni.h>
 
 #include "base/android/jni_string.h"
 #include "base/prefs/pref_service.h"
@@ skipping 89 matching lines @@
       false,
       user_prefs::PrefRegistrySyncable::UNSYNCABLE_PREF);
   registry->RegisterBooleanPref(
       prefs::kNtpCollapsedRecentlyClosedTabs,
       false,
       user_prefs::PrefRegistrySyncable::UNSYNCABLE_PREF);
   registry->RegisterBooleanPref(
       prefs::kNtpCollapsedSyncPromo,
       false,
       user_prefs::PrefRegistrySyncable::UNSYNCABLE_PREF);
+  registry->RegisterDictionaryPref(
+      prefs::kNtpCollapsedForeignSessions,
+      user_prefs::PrefRegistrySyncable::UNSYNCABLE_PREF);
+  registry->RegisterDictionaryPref(
+      prefs::kNtpMostVisitedURLsBlacklist,
+      user_prefs::PrefRegistrySyncable::UNSYNCABLE_PREF);
 }
 
 // static
 bool NewTabPagePrefs::RegisterNewTabPagePrefs(JNIEnv* env) {
   return RegisterNativesImpl(env);
 }