Skeleton for app_list on OSX, and refactoring for enable_app_list=1 on OS=="mac".

ui/app_list/views/search_box_view.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 UI_APP_LIST_SEARCH_BOX_VIEW_H_
-#define UI_APP_LIST_SEARCH_BOX_VIEW_H_
+#ifndef UI_APP_LIST_VIEWS_SEARCH_BOX_VIEW_H_
+#define UI_APP_LIST_VIEWS_SEARCH_BOX_VIEW_H_
 
 #include <string>
 
 #include "ui/app_list/search_box_model_observer.h"
+#include "ui/views/controls/textfield/textfield_controller.h"
 #include "ui/views/view.h"
-#include "ui/views/controls/textfield/textfield_controller.h"
 
 namespace views {
 class ImageView;
 class Textfield;
 }  // namespace views
 
 namespace app_list {
 
 class SearchBoxModel;
 class SearchBoxViewDelegate;
@@ skipping 46 matching lines @@
 
   views::ImageView* icon_view_;  // Owned by views hierarchy.
   views::Textfield* search_box_;  // Owned by views hierarchy.
   views::View* contents_view_;  // Owned by views hierarchy.
 
   DISALLOW_COPY_AND_ASSIGN(SearchBoxView);
 };
 
 }  // namespace app_list
 
-#endif  // UI_APP_LIST_SEARCH_BOX_VIEW_H_
-
+#endif  // UI_APP_LIST_VIEWS_SEARCH_BOX_VIEW_H_