Change infobar creation to use a public static Create() method on the infobar delegate classes.

chrome/browser/api/infobars/confirm_infobar_delegate.cc

 // Copyright (c) 2012 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/api/infobars/confirm_infobar_delegate.h"
 
 #include "content/public/browser/navigation_details.h"
 #include "grit/generated_resources.h"
 #include "ui/base/l10n/l10n_util.h"
 
+ConfirmInfoBarDelegate::~ConfirmInfoBarDelegate() {
+}
+
 InfoBarDelegate::InfoBarAutomationType
     ConfirmInfoBarDelegate::GetInfoBarAutomationType() const {
   return CONFIRM_INFOBAR;
 }
 
 int ConfirmInfoBarDelegate::GetButtons() const {
   return BUTTON_OK | BUTTON_CANCEL;
 }
 
 string16 ConfirmInfoBarDelegate::GetButtonLabel(InfoBarButton button) const {
@@ skipping 18 matching lines @@
 
 bool ConfirmInfoBarDelegate::LinkClicked(WindowOpenDisposition disposition) {
   return true;
 }
 
 ConfirmInfoBarDelegate::ConfirmInfoBarDelegate(
     InfoBarService* infobar_service)
     : InfoBarDelegate(infobar_service) {
 }
 
-ConfirmInfoBarDelegate::~ConfirmInfoBarDelegate() {
-}
-
 bool ConfirmInfoBarDelegate::EqualsDelegate(InfoBarDelegate* delegate) const {
   ConfirmInfoBarDelegate* confirm_delegate =
       delegate->AsConfirmInfoBarDelegate();
   return confirm_delegate &&
       (confirm_delegate->GetMessageText() == GetMessageText());
 }
 
 bool ConfirmInfoBarDelegate::ShouldExpireInternal(
     const content::LoadCommittedDetails& details) const {
   return !details.did_replace_entry &&
       InfoBarDelegate::ShouldExpireInternal(details);
 }
 
 ConfirmInfoBarDelegate* ConfirmInfoBarDelegate::AsConfirmInfoBarDelegate() {
   return this;
 }