Add method for identifying different InfoBars

chrome/browser/download/download_request_infobar_delegate_android.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/download/download_request_infobar_delegate_android.h"
 
 #include "chrome/browser/infobars/infobar_service.h"
 #include "chrome/grit/generated_resources.h"
 #include "components/infobars/core/infobar.h"
 #include "grit/theme_resources.h"
@@ skipping 36 matching lines @@
 // static
 void DownloadRequestInfoBarDelegateAndroid::SetCallbackForTesting(
     FakeCreateCallback* callback) {
   DownloadRequestInfoBarDelegateAndroid::callback_ = callback;
 }
 
 DownloadRequestInfoBarDelegateAndroid::DownloadRequestInfoBarDelegateAndroid(
     base::WeakPtr<DownloadRequestLimiter::TabDownloadState> host)
     : ConfirmInfoBarDelegate(), responded_(false), host_(host) {}
 
+std::string DownloadRequestInfoBarDelegateAndroid::GetIdentifier() const {
+  return "DownloadRequestInfoBarDelegateAndroid";
+}
+
 int DownloadRequestInfoBarDelegateAndroid::GetIconId() const {
   return IDR_INFOBAR_MULTIPLE_DOWNLOADS;
 }
 
 base::string16 DownloadRequestInfoBarDelegateAndroid::GetMessageText() const {
   return l10n_util::GetStringUTF16(IDS_MULTI_DOWNLOAD_WARNING);
 }
 
 base::string16 DownloadRequestInfoBarDelegateAndroid::GetButtonLabel(
     InfoBarButton button) const {
@@ skipping 14 matching lines @@
 
 bool DownloadRequestInfoBarDelegateAndroid::Cancel() {
   DCHECK(!responded_);
   responded_ = true;
   if (host_) {
     // This may invalidate |host_|.
     host_->Cancel();
   }
   return !host_;
 }