Move TranslatePrefs to the Translate component

components/translate/core/browser/translate_download_manager.h

 // 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.
 
 #ifndef COMPONENTS_TRANSLATE_CORE_BROWSER_TRANSLATE_DOWNLOAD_MANAGER_H_
 #define COMPONENTS_TRANSLATE_CORE_BROWSER_TRANSLATE_DOWNLOAD_MANAGER_H_
 
 #include <string>
 
-#include "base/logging.h"
 #include "base/memory/ref_counted.h"
 #include "base/memory/scoped_ptr.h"
 #include "components/translate/core/browser/translate_language_list.h"
 #include "components/translate/core/browser/translate_script.h"
 #include "net/url_request/url_request_context_getter.h"
 
 template <typename T> struct DefaultSingletonTraits;
 
 class PrefService;
 
 // Manages the downloaded resources for Translate, such as the translate script
 // and the language list.
 class TranslateDownloadManager {
  public:
   // Returns the singleton instance.
   static TranslateDownloadManager* GetInstance();
 
   // The request context used to download the resources.
   // Should be set before this class can be used.
   net::URLRequestContextGetter* request_context() { return request_context_; }
   void set_request_context(net::URLRequestContextGetter* context) {
       request_context_ = context;
   }
 
   // The application locale.
   // Should be set before this class can be used.
-  const std::string& application_locale() {
-    DCHECK(!application_locale_.empty());
-    return application_locale_;
-  }
+  const std::string& application_locale() { return application_locale_; }
   void set_application_locale(const std::string& locale) {
     application_locale_ = locale;
   }
 
   // The language list.
   TranslateLanguageList* language_list() { return language_list_.get(); }
 
   // The translate script.
   TranslateScript* script() { return script_.get(); }
 
@@ skipping 45 matching lines @@
 
   // An instance of TranslateScript which manages JavaScript source for
   // Translate.
   scoped_ptr<TranslateScript> script_;
 
   std::string application_locale_;
   scoped_refptr<net::URLRequestContextGetter> request_context_;
 };
 
 #endif  // COMPONENTS_TRANSLATE_CORE_BROWSER_TRANSLATE_DOWNLOAD_MANAGER_H_