Refactor views app list services to allow more code sharing

chrome/browser/ui/app_list/app_list_shower.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_SHOWER_H_
-#define CHROME_BROWSER_UI_APP_LIST_APP_LIST_SHOWER_H_
-
-#include "base/memory/scoped_ptr.h"
-#include "chrome/browser/ui/app_list/app_list.h"
-#include "chrome/browser/ui/app_list/app_list_factory.h"
-#include "ui/app_list/pagination_model.h"
-#include "ui/gfx/native_widget_types.h"
-
-namespace app_list {
-class AppListModel;
-}
-
-class AppListShowerUnitTest;
-class Profile;
-class ScopedKeepAlive;
-
-// Creates and shows an AppList as needed for non-Ash desktops. It is owned
-// by AppListService.
-class AppListShower {
- public:
-  AppListShower(scoped_ptr<AppListFactory> factory,
-                AppListService* service);
-  ~AppListShower();
-
-  void set_can_close(bool can_close) {
-    can_close_app_list_ = can_close;
-  }
-
-  void ShowForProfile(Profile* requested_profile);
-  gfx::NativeWindow GetWindow();
-
-  AppList* app_list() { return app_list_.get(); }
-  Profile* profile() const { return profile_; }
-
-  // Create or recreate, and initialize |app_list_| from |requested_profile|.
-  void CreateViewForProfile(Profile* requested_profile);
-
-  void DismissAppList();
-  void HandleViewBeingDestroyed();
-  bool IsAppListVisible() const;
-  void WarmupForProfile(Profile* profile);
-  bool HasView() const;
-
- private:
-  friend class ::AppListShowerUnitTest;
-
-  void ResetKeepAlive();
-
-  scoped_ptr<AppListFactory> factory_;
-  scoped_ptr<ScopedKeepAlive> keep_alive_;
-  scoped_ptr<AppList> app_list_;
-  AppListService* service_;  // Weak ptr, owns this.
-  Profile* profile_;
-  bool can_close_app_list_;
-
-  // Used to keep the browser process alive while the app list is visible.
-
-  DISALLOW_COPY_AND_ASSIGN(AppListShower);
-};
-
-#endif  // CHROME_BROWSER_UI_APP_LIST_APP_LIST_SHOWER_H_