Replace the virtual InfoBarDelegate::InfoBarClosed() function with a non-virtual one. This is a ...

chrome/browser/translate/translate_infobar_delegate.h

 // Copyright (c) 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_INFOBAR_DELEGATE_H_
 #define CHROME_BROWSER_TRANSLATE_TRANSLATE_INFOBAR_DELEGATE_H_
 #pragma once
 
 #include <string>
 #include <vector>
@@ skipping 141 matching lines @@
                            TranslateErrors::Type error,
                            TabContents* tab_contents,
                            const std::string& original_language,
                            const std::string& target_language);
   Type type_;
 
  private:
   typedef std::pair<std::string, string16> LanguageNamePair;
 
   // InfoBarDelegate:
-  virtual InfoBar* CreateInfoBar();
-  virtual void InfoBarDismissed();
-  virtual void InfoBarClosed();
-  virtual gfx::Image* GetIcon() const;
-  virtual InfoBarDelegate::Type GetInfoBarType() const;
-  virtual TranslateInfoBarDelegate* AsTranslateInfoBarDelegate();
+  virtual InfoBar* CreateInfoBar() OVERRIDE;
+  virtual void InfoBarDismissed() OVERRIDE;
+  virtual gfx::Image* GetIcon() const OVERRIDE;
+  virtual InfoBarDelegate::Type GetInfoBarType() const OVERRIDE;
+  virtual TranslateInfoBarDelegate* AsTranslateInfoBarDelegate() OVERRIDE;
 
   // Gets the host of the page being translated, or an empty string if no URL is
   // associated with the current page.
   std::string GetPageHost();
 
   // The type of fading animation if any that should be used when showing this
   // infobar.
   BackgroundAnimationType background_animation_;
 
   TabContents* tab_contents_;
@@ skipping 23 matching lines @@
   // The current infobar view.
   TranslateInfoBarView* infobar_view_;
 
   // The translation related preferences.
   TranslatePrefs prefs_;
 
   DISALLOW_COPY_AND_ASSIGN(TranslateInfoBarDelegate);
 };
 
 #endif  // CHROME_BROWSER_TRANSLATE_TRANSLATE_INFOBAR_DELEGATE_H_