Revert 115515 - [Aura] Implement views-based applist.

chrome/browser/ui/views/aura/app_list/chrome_app_list_item.h

Index: chrome/browser/ui/views/aura/app_list/chrome_app_list_item.h
===================================================================
--- chrome/browser/ui/views/aura/app_list/chrome_app_list_item.h	(revision 115517)
+++ chrome/browser/ui/views/aura/app_list/chrome_app_list_item.h	(working copy)
@@ -1,24 +0,0 @@
-// Copyright (c) 2011 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_VIEWS_AURA_APP_LIST_CHROME_APP_LIST_ITEM_H_
-#define CHROME_BROWSER_UI_VIEWS_AURA_APP_LIST_CHROME_APP_LIST_ITEM_H_
-#pragma once
-
-#include "ui/aura_shell/app_list/app_list_item_model.h"
-
-// Base class of all chrome app list items. Chrome's AppListViewDelegate assumes
-// all items are derived from this class and calls Activate when an item is
-// activated.
-class ChromeAppListItem : public aura_shell::AppListItemModel {
- public:
-  // Activates the item. |event_flags| holds flags of a mouse/keyboard event
-  // associated with this activation.
-  virtual void Activate(int event_flags) = 0;
-
- protected:
-  virtual ~ChromeAppListItem() {}
-};
-
-#endif  // CHROME_BROWSER_UI_VIEWS_AURA_APP_LIST_CHROME_APP_LIST_ITEM_H_