Revert of 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_