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

chrome/browser/accessibility/accessibility_extension_apitest.cc

 // Copyright (c) 2011 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 "base/utf_string_conversions.h"
 #include "chrome/browser/api/infobars/infobar_service.h"
 #include "chrome/browser/api/infobars/simple_alert_infobar_delegate.h"
 #include "chrome/browser/extensions/extension_apitest.h"
 #include "chrome/browser/ui/browser.h"
 #include "chrome/browser/ui/browser_tabstrip.h"
 #include "chrome/common/chrome_switches.h"
 
 // Times out on win asan, http://crbug.com/166026
 #if defined(OS_WIN) && defined(ADDRESS_SANITIZER)
 #define MAYBE_GetAlertsForTab DISABLED_GetAlertsForTab
 #else
 #define MAYBE_GetAlertsForTab GetAlertsForTab
 #endif
 IN_PROC_BROWSER_TEST_F(ExtensionApiTest, MAYBE_GetAlertsForTab) {
   content::WebContents* web_contents = chrome::GetActiveWebContents(browser());
   ASSERT_TRUE(web_contents);
   InfoBarService* infobar_service =
       InfoBarService::FromWebContents(web_contents);
   ASSERT_TRUE(infobar_service);
 
   const char kAlertMessage[] = "Simple Alert Infobar.";
-  infobar_service->AddInfoBar(
-      new SimpleAlertInfoBarDelegate(infobar_service,
+  SimpleAlertInfoBarDelegate::Create(infobar_service,
                                      NULL,
                                      ASCIIToUTF16(kAlertMessage),
-                                     false));
+                                     false);
   CommandLine::ForCurrentProcess()->AppendSwitch(
       switches::kEnableExperimentalExtensionApis);
   ASSERT_TRUE(RunExtensionTest("accessibility/get_alerts_for_tab")) << message_;
 }