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

chrome/browser/ui/chrome_select_file_policy.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/chrome_select_file_policy.h"
 
 #include "base/bind.h"
 #include "base/callback.h"
 #include "base/logging.h"
 #include "chrome/browser/api/infobars/infobar_service.h"
@@ skipping 11 matching lines @@
 
 ChromeSelectFilePolicy::~ChromeSelectFilePolicy() {}
 
 bool ChromeSelectFilePolicy::CanOpenSelectFileDialog() {
   return FileSelectDialogsAllowed();
 }
 
 void ChromeSelectFilePolicy::SelectFileDenied() {
   // Show the InfoBar saying that file-selection dialogs are disabled.
   if (source_contents_) {
-    InfoBarService* infobar_service =
-        InfoBarService::FromWebContents(source_contents_);
-    DCHECK(infobar_service);
-    infobar_service->AddInfoBar(new SimpleAlertInfoBarDelegate(
-        infobar_service,
-        NULL,
-        l10n_util::GetStringUTF16(IDS_FILE_SELECTION_DIALOG_INFOBAR),
-        true));
+    SimpleAlertInfoBarDelegate::Create(
+        InfoBarService::FromWebContents(source_contents_), NULL,
+        l10n_util::GetStringUTF16(IDS_FILE_SELECTION_DIALOG_INFOBAR), true);
   } else {
     LOG(WARNING) << "File-selection dialogs are disabled but no WebContents "
                  << "is given to display the InfoBar.";
   }
 }
 
 // static
 bool ChromeSelectFilePolicy::FileSelectDialogsAllowed() {
   DCHECK(g_browser_process);
 
   // local_state() can return NULL for tests.
   if (!g_browser_process->local_state())
     return false;
 
   return !g_browser_process->local_state()->FindPreference(
              prefs::kAllowFileSelectionDialogs) ||
          g_browser_process->local_state()->GetBoolean(
              prefs::kAllowFileSelectionDialogs);
 }