Create chrome/browser/api directory. Move infobar delegates used by Autofill to the directory.

chrome/browser/ui/gtk/infobars/infobar_gtk.h

 // 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.
 
 #ifndef CHROME_BROWSER_UI_GTK_INFOBARS_INFOBAR_GTK_H_
 #define CHROME_BROWSER_UI_GTK_INFOBARS_INFOBAR_GTK_H_
 
 #include <gtk/gtk.h>
 
 #include "base/basictypes.h"
 #include "base/memory/scoped_ptr.h"
+#include "chrome/browser/api/infobars/infobar_delegate.h"
 #include "chrome/browser/infobars/infobar.h"
-#include "chrome/browser/infobars/infobar_delegate.h"
 #include "chrome/browser/ui/gtk/menu_gtk.h"
 #include "content/public/browser/notification_observer.h"
 #include "content/public/browser/notification_registrar.h"
 #include "third_party/skia/include/core/SkColor.h"
 #include "ui/base/gtk/gtk_signal.h"
 #include "ui/base/gtk/owned_widget_gtk.h"
 
 class CustomDrawButton;
 class GtkThemeService;
 
@@ skipping 108 matching lines @@
 
   // The current menu displayed. Can be null. We own this on the base class so
   // we can cancel the menu while we're closing.
   scoped_ptr<ui::MenuModel> menu_model_;
   scoped_ptr<MenuGtk> menu_;
 
   DISALLOW_COPY_AND_ASSIGN(InfoBarGtk);
 };
 
 #endif  // CHROME_BROWSER_UI_GTK_INFOBARS_INFOBAR_GTK_H_