HistoryService::Init() receives the list of languages

chrome/browser/history/history_service_factory.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/history/history_service_factory.h"
 
 #include "base/prefs/pref_service.h"
 #include "chrome/browser/bookmarks/bookmark_model_factory.h"
 #include "chrome/browser/bookmarks/chrome_bookmark_client.h"
 #include "chrome/browser/bookmarks/chrome_bookmark_client_factory.h"
@@ skipping 57 matching lines @@
           "HistoryService", BrowserContextDependencyManager::GetInstance()) {
   DependsOn(ChromeHistoryClientFactory::GetInstance());
   DependsOn(ChromeBookmarkClientFactory::GetInstance());
 }
 
 HistoryServiceFactory::~HistoryServiceFactory() {
 }
 
 KeyedService* HistoryServiceFactory::BuildServiceInstanceFor(
     content::BrowserContext* context) const {
-  Profile* profile = static_cast<Profile*>(context);
+  Profile* profile = Profile::FromBrowserContext(context);
   scoped_ptr<HistoryService> history_service(new HistoryService(
       ChromeHistoryClientFactory::GetForProfile(profile), profile));
   if (!history_service->Init(
+          profile->GetPrefs()->GetString(prefs::kAcceptLanguages),
           history::HistoryDatabaseParamsForPath(profile->GetPath()))) {
     return nullptr;
   }
   ChromeBookmarkClientFactory::GetForProfile(profile)
       ->SetHistoryService(history_service.get());
   return history_service.release();
 }
 
 content::BrowserContext* HistoryServiceFactory::GetBrowserContextToUse(
     content::BrowserContext* context) const {
   return chrome::GetBrowserContextRedirectedInIncognito(context);
 }
 
 bool HistoryServiceFactory::ServiceIsNULLWhileTesting() const {
   return true;
 }