Revert of NTP Zombie Code Slayer Part IV: Most Visited

chrome/browser/history/top_sites_factory.cc

 // 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.
 
 #include "chrome/browser/history/top_sites_factory.h"
 
 #include "base/bind.h"
 #include "base/macros.h"
 #include "base/memory/singleton.h"
 #include "chrome/browser/history/history_service_factory.h"
 #include "chrome/browser/history/history_utils.h"
 #include "chrome/browser/profiles/profile.h"
 #include "chrome/common/pref_names.h"
 #include "chrome/grit/chromium_strings.h"
 #include "chrome/grit/generated_resources.h"
 #include "chrome/grit/locale_settings.h"
 #include "components/history/core/browser/history_constants.h"
 #include "components/history/core/browser/top_sites_impl.h"
 #include "components/keyed_service/content/browser_context_dependency_manager.h"
-#include "components/pref_registry/pref_registry_syncable.h"
 #include "content/public/browser/browser_thread.h"
 #include "grit/theme_resources.h"
 #include "ui/base/l10n/l10n_util.h"
 #include "url/gurl.h"
 
 namespace {
 
 struct RawPrepopulatedPage {
   int url_id;        // The resource for the page URL.
   int title_id;      // The resource for the page title.
@@ skipping 78 matching lines @@
 TopSitesFactory::~TopSitesFactory() {
 }
 
 scoped_refptr<RefcountedKeyedService> TopSitesFactory::BuildServiceInstanceFor(
     content::BrowserContext* context) const {
   history::PrepopulatedPageList prepopulated_pages;
   InitializePrepopulatedPageList(&prepopulated_pages);
   return BuildTopSites(context, prepopulated_pages);
 }
 
-void TopSitesFactory::RegisterProfilePrefs(
-    user_prefs::PrefRegistrySyncable* registry) {
-  registry->RegisterDictionaryPref(prefs::kNtpMostVisitedURLsBlacklist);
-}
-
 bool TopSitesFactory::ServiceIsNULLWhileTesting() const {
   return true;
 }