Add method for identifying different InfoBars

chrome/browser/password_manager/save_password_infobar_delegate.cc

 // Copyright 2014 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/password_manager/save_password_infobar_delegate.h"
 
 #include "base/metrics/histogram.h"
 #include "chrome/browser/infobars/infobar_service.h"
 #include "chrome/browser/profiles/profile.h"
 #include "chrome/browser/sync/profile_sync_service_factory.h"
@@ skipping 103 matching lines @@
   SetMessageLinkRange(message_link_range);
 }
 
 base::string16 SavePasswordInfoBarDelegate::GetFirstRunExperienceMessage() {
   return should_show_first_run_experience_
              ? l10n_util::GetStringUTF16(
                    IDS_PASSWORD_MANAGER_SAVE_PROMPT_FIRST_RUN_EXPERIENCE)
              : base::string16();
 }
 
+std::string SavePasswordInfoBarDelegate::GetIdentifier() const {
+  return "SavePasswordInfoBarDelegate";
+}
+
 void SavePasswordInfoBarDelegate::InfoBarDismissed() {
   DCHECK(form_to_save_.get());
   infobar_response_ = password_manager::metrics_util::INFOBAR_DISMISSED;
 }
 
 base::string16 SavePasswordInfoBarDelegate::GetButtonLabel(
     InfoBarButton button) const {
   return l10n_util::GetStringUTF16((button == BUTTON_OK)
                                        ? IDS_PASSWORD_MANAGER_SAVE_BUTTON
                                        : GetCancelButtonText(source_type_));
 }
 
 bool SavePasswordInfoBarDelegate::Accept() {
   DCHECK(form_to_save_.get());
   form_to_save_->Save();
   infobar_response_ = password_manager::metrics_util::REMEMBER_PASSWORD;
   return true;
 }
 
 bool SavePasswordInfoBarDelegate::Cancel() {
   DCHECK(form_to_save_.get());
   form_to_save_->PermanentlyBlacklist();
   infobar_response_ = password_manager::metrics_util::NEVER_REMEMBER_PASSWORD;
   return true;
 }