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

chrome/browser/ui/startup/obsolete_os_prompt_gtk.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/startup/obsolete_os_prompt.h"
-
-#include <gtk/gtk.h>
-
-#include "chrome/browser/api/infobars/infobar_service.h"
-#include "chrome/browser/ui/browser_tabstrip.h"
-#include "chrome/browser/ui/startup/obsolete_os_info_bar.h"
-#include "grit/chromium_strings.h"
-#include "ui/base/l10n/l10n_util.h"
-
-namespace chrome {
-
-void ShowObsoleteOSPrompt(Browser* browser) {
-  // We've deprecated support for Ubuntu Hardy.  Rather than attempting to
-  // determine whether you're using that, we instead key off the GTK version;
-  // this will also deprecate other distributions (including variants of Ubuntu)
-  // that are of a similar age.
-  // Version key:
-  //   Ubuntu Hardy: GTK 2.12
-  //   RHEL 6:       GTK 2.18
-  //   Ubuntu Lucid: GTK 2.20
-  if (gtk_check_version(2, 18, 0)) {
-    string16 message = l10n_util::GetStringUTF16(IDS_SYSTEM_OBSOLETE_MESSAGE);
-    // Link to an article in the help center on minimum system requirements.
-    const char* kLearnMoreURL =
-        "http://www.google.com/support/chrome/bin/answer.py?answer=95411";
-    content::WebContents* web_contents = chrome::GetActiveWebContents(browser);
-    if (!web_contents)
-      return;
-    InfoBarService* infobar_service =
-        InfoBarService::FromWebContents(web_contents);
-    infobar_service->AddInfoBar(new ObsoleteOSInfoBar(infobar_service, message,
-                                                      GURL(kLearnMoreURL)));
-  }
-}
-
-}  // namespace chrome