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

chrome/browser/ui/website_settings/website_settings_unittest.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/website_settings/website_settings.h"
 
 #include "base/at_exit.h"
 #include "base/message_loop.h"
 #include "base/string16.h"
 #include "base/utf_string_conversions.h"
@@ skipping 384 matching lines @@
       CONTENT_SETTINGS_TYPE_GEOLOCATION, CONTENT_SETTING_ALLOW);
   website_settings()->OnUIClosing();
   EXPECT_EQ(1u, infobar_service()->GetInfoBarCount());
 
   // Removing an |InfoBarDelegate| from the |InfoBarService| does not delete
   // it. Hence the |delegate| must be cleaned up after it was removed from the
   // |infobar_service|.
   scoped_ptr<InfoBarDelegate> delegate(
       infobar_service()->GetInfoBarDelegateAt(0));
   infobar_service()->RemoveInfoBar(delegate.get());
-  // Right now InfoBarDelegates delete themselves via
-  // InfoBarClosed(); once InfoBars own their delegates, this can become a
-  // simple reset() call
-  delegate.release()->InfoBarClosed();
 }