LanguageState should be owned by TranslateManager

chrome/browser/translate/translate_tab_helper.h

 // Copyright 2011 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_TAB_HELPER_H_
 #define CHROME_BROWSER_TRANSLATE_TRANSLATE_TAB_HELPER_H_
 
 #include <string>
 
 #include "base/memory/scoped_ptr.h"
@@ skipping 16 matching lines @@
 namespace base {
 class File;
 }
 
 namespace content {
 class BrowserContext;
 class WebContents;
 }
 
 struct LanguageDetectionDetails;
+class LanguageState;
 class PrefService;
 class TranslateAcceptLanguages;
 class TranslatePrefs;
 class TranslateManager;
 
 class TranslateTabHelper
     : public TranslateClient,
       public content::WebContentsObserver,
       public content::WebContentsUserData<TranslateTabHelper> {
  public:
@@ skipping 119 matching lines @@
 
   // Necessary for binding the callback to HandleCLDDataRequest on the blocking
   // pool and for delaying translation initialization until the page has
   // finished loading on a reload.
   base::WeakPtrFactory<TranslateTabHelper> weak_pointer_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(TranslateTabHelper);
 };
 
 #endif  // CHROME_BROWSER_TRANSLATE_TRANSLATE_TAB_HELPER_H_