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

chrome/browser/ui/app_list/app_list.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_H_
+#define CHROME_BROWSER_UI_APP_LIST_APP_LIST_H_
+
+#include "ui/gfx/native_widget_types.h"
+
+class Profile;
+
+// A container for an AppListView that can be positioned and knows when it has
+// lost focus. Has platform-specific implementations.
+class AppList {
+ public:
+  virtual ~AppList() {}
+  virtual void Show() = 0;
+  virtual void Hide() = 0;
+  virtual void MoveNearCursor() = 0;
+  virtual bool IsVisible() = 0;
+  virtual void Prerender() = 0;
+  virtual gfx::NativeWindow GetWindow() = 0;
+  virtual void SetProfile(Profile* profile) = 0;
+};
+
+#endif  // CHROME_BROWSER_UI_APP_LIST_APP_LIST_H_