Make it possible to read CLD data from a file

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 74 matching lines @@
   virtual void WebContentsDestroyed(
       content::WebContents* web_contents) OVERRIDE;
 
   void OnLanguageDetermined(const LanguageDetectionDetails& details,
                             bool page_needs_translation);
   void OnPageTranslated(int32 page_id,
                         const std::string& original_lang,
                         const std::string& translated_lang,
                         TranslateErrors::Type error_type);
 
+  // Called when we receive ChromeViewHostMsg_NeedCLDData from a renderer
+  // process; attempts to look up the CLD data file in local storage and,
+  // if found, to send a response with an IPC-safe file construct back to
+  // the renderer.
+  void OnCLDDataRequested();
+
   // Shows the translate bubble.
   void ShowBubble(TranslateStep step, TranslateErrors::Type error_type);
 
   ContentTranslateDriver translate_driver_;
   scoped_ptr<TranslateManager> translate_manager_;
 
   DISALLOW_COPY_AND_ASSIGN(TranslateTabHelper);
 };
 
 #endif  // CHROME_BROWSER_TRANSLATE_TRANSLATE_TAB_HELPER_H_