Simplify infobar expiry.

components/infobars/core/simple_alert_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 "components/infobars/core/simple_alert_infobar_delegate.h"
 
 #include "components/infobars/core/infobar.h"
 #include "components/infobars/core/infobar_manager.h"
 #include "third_party/skia/include/core/SkBitmap.h"
 
@@ skipping 18 matching lines @@
       auto_expire_(auto_expire) {
 }
 
 SimpleAlertInfoBarDelegate::~SimpleAlertInfoBarDelegate() {
 }
 
 int SimpleAlertInfoBarDelegate::GetIconID() const {
   return icon_id_;
 }
 
-bool SimpleAlertInfoBarDelegate::ShouldExpireInternal(
+bool SimpleAlertInfoBarDelegate::ShouldExpire(
     const NavigationDetails& details) const {
-  return auto_expire_ && ConfirmInfoBarDelegate::ShouldExpireInternal(details);
+  return auto_expire_ && ConfirmInfoBarDelegate::ShouldExpire(details);
 }
 
 base::string16 SimpleAlertInfoBarDelegate::GetMessageText() const {
   return message_;
 }
 
 int SimpleAlertInfoBarDelegate::GetButtons() const {
   return BUTTON_NONE;
 }