Refactor app_list_util.h into AppListService abstract base.

chrome/browser/ui/views/app_list/app_list_controller_win.h

Index: chrome/browser/ui/views/app_list/app_list_controller_win.h
diff --git a/chrome/browser/ui/views/app_list/app_list_controller_win.h b/chrome/browser/ui/views/app_list/app_list_controller_win.h
new file mode 100644
index 0000000000000000000000000000000000000000..26fb61da8d57b45eeea531861820728a887ed599
--- /dev/null
+++ b/chrome/browser/ui/views/app_list/app_list_controller_win.h
@@ -0,0 +1,20 @@
+// 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_VIEWS_APP_LIST_APP_LIST_CONTROLLER_WIN_H_
+#define CHROME_BROWSER_UI_VIEWS_APP_LIST_APP_LIST_CONTROLLER_WIN_H_
+
+#include <string>
+
+#include "chrome/browser/ui/app_list_service.h"
+
+class AppListControllerWin : public AppListService {
+ public:
+  static AppListControllerWin* GetInstance();
+ protected:
+  AppListControllerWin() {}
+ private:
+  DISALLOW_COPY_AND_ASSIGN(AppListControllerWin);
+};
+
+#endif  // CHROME_BROWSER_UI_VIEWS_APP_LIST_APP_LIST_CONTROLLER_WIN_H_