Mac InfoBar: Use cross platform infobar classes

chrome/browser/infobars/infobar_container.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 "build/build_config.h"
 
-// TODO(pkasting): Port Mac to use this.
-#if defined(TOOLKIT_VIEWS) || defined(TOOLKIT_GTK) || defined(OS_ANDROID)
-
 #include "chrome/browser/infobars/infobar_container.h"
 
 #include <algorithm>
 
 #include "base/logging.h"
 #include "chrome/browser/chrome_notification_types.h"
 #include "chrome/browser/infobars/infobar.h"
 #include "chrome/browser/infobars/infobar_delegate.h"
 #include "chrome/browser/infobars/infobar_service.h"
 #include "content/public/browser/notification_details.h"
@@ skipping 208 matching lines @@
       const_cast<const InfoBar*>(infobars_.front())->animation();
   if ((infobar_index > 1) || first_infobar_animation.IsShowing())
     return InfoBar::kDefaultArrowTargetHeight;
   // When the first infobar is animating closed, we animate the second infobar's
   // arrow target height from the default to the top target height.  Note that
   // the animation values here are going from 1.0 -> 0.0 as the top bar closes.
   return top_arrow_target_height_ + static_cast<int>(
       (InfoBar::kDefaultArrowTargetHeight - top_arrow_target_height_) *
           first_infobar_animation.GetCurrentValue());
 }
-
-#endif  // TOOLKIT_VIEWS || defined(TOOLKIT_GTK) || defined(OS_ANDROID)