Move TranslatePrefs to the Translate component

chrome/browser/translate/translate_ui_delegate.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/translate/translate_ui_delegate.h"
 
 #include "base/i18n/string_compare.h"
 #include "base/metrics/histogram.h"
 #include "chrome/browser/browser_process.h"
 #include "chrome/browser/profiles/profile.h"
 #include "chrome/browser/translate/translate_manager.h"
-#include "chrome/browser/translate/translate_prefs.h"
 #include "chrome/browser/translate/translate_tab_helper.h"
 #include "components/translate/core/browser/translate_download_manager.h"
+#include "components/translate/core/browser/translate_prefs.h"
 #include "components/translate/core/common/translate_constants.h"
 #include "content/public/browser/browser_context.h"
 #include "content/public/browser/navigation_entry.h"
 #include "content/public/browser/web_contents.h"
 #include "third_party/icu/source/i18n/unicode/coll.h"
 #include "ui/base/l10n/l10n_util.h"
 
 namespace {
 
 const char kDeclineTranslate[] = "Translate.DeclineTranslate";
@@ skipping 51 matching lines @@
     if (language_code == original_language) {
       original_language_index_ = iter - languages_.begin();
       initial_original_language_index_ = original_language_index_;
     }
     if (language_code == target_language)
       target_language_index_ = iter - languages_.begin();
   }
 
   Profile* profile =
       Profile::FromBrowserContext(web_contents_->GetBrowserContext());
-  prefs_.reset(new TranslatePrefs(profile->GetPrefs()));
+  prefs_ = TranslateTabHelper::CreateTranslatePrefs(profile->GetPrefs());
 }
 
 TranslateUIDelegate::~TranslateUIDelegate() {
 }
 
 void TranslateUIDelegate::OnErrorShown(TranslateErrors::Type error_type) {
   DCHECK_LE(TranslateErrors::NONE, error_type);
   DCHECK_LT(error_type, TranslateErrors::TRANSLATE_ERROR_MAX);
 
   if (error_type == TranslateErrors::NONE)
@@ skipping 148 matching lines @@
     prefs_->RemoveLanguagePairFromWhitelist(original_lang, target_lang);
 
   UMA_HISTOGRAM_BOOLEAN(kAlwaysTranslateLang, true);
 }
 
 std::string TranslateUIDelegate::GetPageHost() {
   content::NavigationEntry* entry =
       web_contents()->GetController().GetActiveEntry();
   return entry ? entry->GetURL().HostNoBrackets() : std::string();
 }