Remove dependency of infobars component on the embedder

components/infobars/test/infobar_test.cc

-// Copyright 2014 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/logging.h"
-#include "base/memory/scoped_ptr.h"
-#include "components/infobars/core/confirm_infobar_delegate.h"
-#include "components/infobars/core/infobar.h"
-
-// Provides definitions of static variables and functions that are declared in
-// the component but defined in the embedder.
-// TODO(blundell): The component shouldn't be declaring statics that it's not
-// defining; instead, this information should be obtained via a client,
-// which can have a test implementation. crbug.com/386171
-
-// Some components' unittests exercise code that requires that
-// ConfirmInfoBarDelegate::CreateInfoBar() return a non-NULL infobar.
-scoped_ptr<infobars::InfoBar> ConfirmInfoBarDelegate::CreateInfoBar(
-    scoped_ptr<ConfirmInfoBarDelegate> delegate) {
-  return scoped_ptr<infobars::InfoBar>(new infobars::InfoBar(delegate.Pass()));
-}