Revert of Delete base/prefs and update callers to use components.

ios/chrome/browser/translate/translate_accept_languages_factory.cc

 // Copyright 2014 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 "ios/chrome/browser/translate/translate_accept_languages_factory.h"
 
 #include "base/macros.h"
+#include "base/prefs/pref_service.h"
 #include "components/keyed_service/core/keyed_service.h"
 #include "components/keyed_service/ios/browser_state_dependency_manager.h"
-#include "components/prefs/pref_service.h"
 #include "components/translate/core/browser/translate_accept_languages.h"
 #include "ios/chrome/browser/browser_state/browser_state_otr_helper.h"
 #include "ios/chrome/browser/pref_names.h"
 #include "ios/public/provider/chrome/browser/browser_state/chrome_browser_state.h"
 
 namespace {
 
 // TranslateAcceptLanguagesService is a thin container for
 // TranslateAcceptLanguages to enable associating it with a BrowserState.
 class TranslateAcceptLanguagesService : public KeyedService {
@@ skipping 52 matching lines @@
   ios::ChromeBrowserState* browser_state =
       ios::ChromeBrowserState::FromBrowserState(context);
   return make_scoped_ptr(
       new TranslateAcceptLanguagesService(browser_state->GetPrefs()));
 }
 
 web::BrowserState* TranslateAcceptLanguagesFactory::GetBrowserStateToUse(
     web::BrowserState* context) const {
   return GetBrowserStateRedirectedInIncognito(context);
 }