Attempt at fixing crash in menus shown from infobars. Here's what the

chrome/browser/ui/views/infobars/confirm_infobar.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/ui/views/infobars/confirm_infobar.h"
 
 #include "base/logging.h"
 #include "chrome/browser/tab_contents/confirm_infobar_delegate.h"
 #include "chrome/browser/ui/views/event_utils.h"
 #include "views/controls/button/text_button.h"
@@ skipping 103 matching lines @@
   int width = (link_ == NULL) ? 0 : kEndOfLabelSpacing;  // Space before link
   int before_cancel_spacing = kEndOfLabelSpacing;
   if (ok_button_ != NULL) {
     width += kEndOfLabelSpacing + ok_button_->GetPreferredSize().width();
     before_cancel_spacing = kButtonButtonSpacing;
   }
   return width + ((cancel_button_ == NULL) ? 0 :
       (before_cancel_spacing + cancel_button_->GetPreferredSize().width()));
 }
 
+void ConfirmInfoBar::CancelMenu() {
+}
+
 void ConfirmInfoBar::LinkClicked(views::Link* source, int event_flags) {
   DCHECK(link_ != NULL);
   DCHECK_EQ(link_, source);
   if (GetDelegate()->LinkClicked(
       event_utils::DispositionFromEventFlags(event_flags)))
     RemoveSelf();
 }
 
 ConfirmInfoBarDelegate* ConfirmInfoBar::GetDelegate() {
   return delegate()->AsConfirmInfoBarDelegate();
 }