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

chrome/browser/download/download_request_infobar_delegate.cc

 // 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.
 
 #include "chrome/browser/download/download_request_infobar_delegate.h"
 
 #include "content/browser/tab_contents/tab_contents.h"
 #include "grit/generated_resources.h"
 #include "grit/theme_resources_standard.h"
 #include "ui/base/l10n/l10n_util.h"
 #include "ui/base/resource/resource_bundle.h"
 
 DownloadRequestInfoBarDelegate::DownloadRequestInfoBarDelegate(
     TabContents* tab,
     DownloadRequestLimiter::TabDownloadState* host)
     : ConfirmInfoBarDelegate(tab),
       host_(host) {
 }
 
 DownloadRequestInfoBarDelegate::~DownloadRequestInfoBarDelegate() {
-}
-
-void DownloadRequestInfoBarDelegate::InfoBarClosed() {
   if (host_)
     host_->Cancel();
-  delete this;
 }
 
 gfx::Image* DownloadRequestInfoBarDelegate::GetIcon() const {
   return &ResourceBundle::GetSharedInstance().GetNativeImageNamed(
       IDR_INFOBAR_MULTIPLE_DOWNLOADS);
 }
 
 string16 DownloadRequestInfoBarDelegate::GetMessageText() const {
   return l10n_util::GetStringUTF16(IDS_MULTI_DOWNLOAD_WARNING);
 }
 
 string16 DownloadRequestInfoBarDelegate::GetButtonLabel(
     InfoBarButton button) const {
   return l10n_util::GetStringUTF16((button == BUTTON_OK) ?
       IDS_MULTI_DOWNLOAD_WARNING_ALLOW : IDS_MULTI_DOWNLOAD_WARNING_DENY);
 }
 
 bool DownloadRequestInfoBarDelegate::Accept() {
   if (host_) {
     // Accept() call will nullify host_ if no further prompts are required.
     host_->Accept();
   }
 
   return !host_;
 }