Upstream //ios/chrome/browser/translate

ios/chrome/browser/translate/translate_accept_languages_factory.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 IOS_CHROME_BROWSER_TRANSLATE_TRANSLATE_ACCEPT_LANGUAGES_FACTORY_H_
+#define IOS_CHROME_BROWSER_TRANSLATE_TRANSLATE_ACCEPT_LANGUAGES_FACTORY_H_
+
+#include "base/basictypes.h"
+#include "base/memory/singleton.h"
+#include "components/keyed_service/ios/browser_state_keyed_service_factory.h"
+
+namespace translate {
+class TranslateAcceptLanguages;
+}
+
+namespace web {
+class BrowserState;
+}
+
+// TranslateAcceptLanguagesFactory is a way to associate a
+// TranslateAcceptLanguages instance to a BrowserState.
+class TranslateAcceptLanguagesFactory : public BrowserStateKeyedServiceFactory {
+ public:
+  static translate::TranslateAcceptLanguages* GetForBrowserState(
+      web::BrowserState* browser_state);
+  static TranslateAcceptLanguagesFactory* GetInstance();
+
+ private:
+  friend struct DefaultSingletonTraits<TranslateAcceptLanguagesFactory>;
+
+  TranslateAcceptLanguagesFactory();
+  ~TranslateAcceptLanguagesFactory() override;
+
+  // BrowserStateKeyedServiceFactory:
+  KeyedService* BuildServiceInstanceFor(
+      web::BrowserState* browser_state) const override;
+  web::BrowserState* GetBrowserStateToUse(
+      web::BrowserState* browser_state) const override;
+
+  DISALLOW_COPY_AND_ASSIGN(TranslateAcceptLanguagesFactory);
+};
+
+#endif  // IOS_CHROME_BROWSER_TRANSLATE_TRANSLATE_ACCEPT_LANGUAGES_FACTORY_H_