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

chrome/browser/api/infobars/simple_alert_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/api/infobars/simple_alert_infobar_delegate.h"
 
+#include "chrome/browser/api/infobars/infobar_service.h"
 #include "third_party/skia/include/core/SkBitmap.h"
 
+// static
+void SimpleAlertInfoBarDelegate::Create(InfoBarService* infobar_service,
+                                        gfx::Image* icon,
+                                        const string16& message,
+                                        bool auto_expire) {
+  infobar_service->AddInfoBar(scoped_ptr<InfoBarDelegate>(
+      new SimpleAlertInfoBarDelegate(infobar_service, icon, message,
+                                     auto_expire)));
+}
+
 SimpleAlertInfoBarDelegate::SimpleAlertInfoBarDelegate(
     InfoBarService* infobar_service,
     gfx::Image* icon,
     const string16& message,
     bool auto_expire)
     : ConfirmInfoBarDelegate(infobar_service),
       icon_(icon),
       message_(message),
       auto_expire_(auto_expire) {
 }
@@ skipping 10 matching lines @@
 }
 
 int SimpleAlertInfoBarDelegate::GetButtons() const {
   return BUTTON_NONE;
 }
 
 bool SimpleAlertInfoBarDelegate::ShouldExpireInternal(
       const content::LoadCommittedDetails& details) const {
   return auto_expire_ && ConfirmInfoBarDelegate::ShouldExpireInternal(details);
 }