[InfoBar] Add InfoBarDelegate::GetIconID()

chrome/browser/ui/content_settings/content_setting_changed_infobar_delegate_unittest.cc

 // Copyright (c) 2013 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/memory/scoped_ptr.h"
 #include "chrome/browser/content_settings/tab_specific_content_settings.h"
 #include "chrome/browser/infobars/infobar_service.h"
 #include "chrome/browser/ui/content_settings/content_setting_changed_infobar_delegate.h"
 #include "chrome/test/base/chrome_render_view_host_test_harness.h"
 #include "content/public/browser/web_contents_observer.h"
@@ skipping 52 matching lines @@
   const int icon = IDR_INFOBAR_MEDIA_STREAM_CAMERA;
   const int message = IDS_MEDIASTREAM_SETTING_CHANGED_INFOBAR_MESSAGE;
 
   scoped_ptr<ContentSettingChangedInfoBarDelegate> infobar(
       ContentSettingChangedInfoBarDelegate::CreateForUnitTest(
           InfoBarService::FromWebContents(web_contents()),
           icon,
           message));
   ConfirmInfoBarDelegate* c_infobar = infobar.get();
 
-  EXPECT_EQ(&ResourceBundle::GetSharedInstance().GetNativeImageNamed(icon),
-            c_infobar->GetIcon());
+  EXPECT_EQ(icon, c_infobar->GetIconID());
   EXPECT_FALSE(c_infobar->GetMessageText().compare(
       l10n_util::GetStringUTF16(message)));
 
   EXPECT_EQ(1, observer.navigation_count());
   EXPECT_TRUE(c_infobar->Accept());
   EXPECT_EQ(2, observer.navigation_count());
 }