Add method for identifying different InfoBars

chrome/browser/ui/startup/obsolete_system_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/ui/startup/obsolete_system_infobar_delegate.h"
 
 #include "chrome/browser/infobars/infobar_service.h"
 #include "chrome/browser/obsolete_system/obsolete_system.h"
 #include "chrome/common/url_constants.h"
 #include "chrome/grit/chromium_strings.h"
@@ skipping 10 matching lines @@
       scoped_ptr<ConfirmInfoBarDelegate>(new ObsoleteSystemInfoBarDelegate())));
 }
 
 ObsoleteSystemInfoBarDelegate::ObsoleteSystemInfoBarDelegate()
     : ConfirmInfoBarDelegate() {
 }
 
 ObsoleteSystemInfoBarDelegate::~ObsoleteSystemInfoBarDelegate() {
 }
 
+std::string ObsoleteSystemInfoBarDelegate::GetIdentifier() const {
+  return "ObsoleteSystemInfoBarDelegate";
+}
+
 base::string16 ObsoleteSystemInfoBarDelegate::GetMessageText() const {
   return ObsoleteSystem::LocalizedObsoleteString();
 }
 
 int ObsoleteSystemInfoBarDelegate::GetButtons() const {
   return BUTTON_NONE;
 }
 
 base::string16 ObsoleteSystemInfoBarDelegate::GetLinkText() const {
   return l10n_util::GetStringUTF16(IDS_LEARN_MORE);
 }
 
 GURL ObsoleteSystemInfoBarDelegate::GetLinkURL() const {
   return GURL(ObsoleteSystem::GetLinkURL());
 }