Revert of Refactor views app list services to allow more code sharing

chrome/browser/ui/app_list/app_list_factory.h

+// Copyright 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.
+
+#ifndef CHROME_BROWSER_UI_APP_LIST_APP_LIST_FACTORY_H_
+#define CHROME_BROWSER_UI_APP_LIST_APP_LIST_FACTORY_H_
+
+#include "base/callback_forward.h"
+#include "chrome/browser/ui/app_list/app_list.h"
+
+class AppListService;
+class Profile;
+
+namespace app_list {
+class PaginationModel;
+}
+
+// Factory for AppLists. Used to allow us to create fake app lists in tests.
+class AppListFactory {
+ public:
+  virtual ~AppListFactory() {}
+  virtual AppList* CreateAppList(Profile* profile,
+                                 AppListService* service,
+                                 const base::Closure& on_should_dismiss) = 0;
+};
+
+#endif  // CHROME_BROWSER_UI_APP_LIST_APP_LIST_FACTORY_H_