Move TranslateLanguageList to the Translate component

chrome/browser/translate/translate_service.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 CHROME_BROWSER_TRANSLATE_TRANSLATE_SERVICE_H_
 #define CHROME_BROWSER_TRANSLATE_TRANSLATE_SERVICE_H_
 
+#include "chrome/browser/web_resource/resource_request_allowed_notifier.h"
+
 // Singleton managing the resources required for Translate.
-class TranslateService {
+class TranslateService : public ResourceRequestAllowedNotifier::Observer {
  public:
-
    // Must be called before the Translate feature can be used.
   static void Initialize();
 
   // Must be called to shut down the Translate feature.
   static void Shutdown(bool cleanup_pending_fetcher);
+
+ private:
+  TranslateService();
+  ~TranslateService();
+
+  // ResourceRequestAllowedNotifier::Observer methods.
+  virtual void OnResourceRequestsAllowed() OVERRIDE;
+
+  // Helper class to know if it's allowed to make network resource requests.
+  ResourceRequestAllowedNotifier resource_request_allowed_notifier_;
 };
 
 #endif  // CHROME_BROWSER_TRANSLATE_TRANSLATE_SERVICE_H_