Mirror app list hierarchy data in profile prefs.

chrome/browser/ui/app_list/app_list_prefs_factory.h

Index: chrome/browser/ui/app_list/app_list_prefs_factory.h
diff --git a/chrome/browser/ui/app_list/app_list_prefs_factory.h b/chrome/browser/ui/app_list/app_list_prefs_factory.h
new file mode 100644
index 0000000000000000000000000000000000000000..59c43b0f61d65f9eb9ef4a2932f2b826d08d9fd3
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+++ b/chrome/browser/ui/app_list/app_list_prefs_factory.h
@@ -0,0 +1,39 @@
+// Copyright 2014 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_PREFS_FACTORY_H_
+#define CHROME_BROWSER_UI_APP_LIST_APP_LIST_PREFS_FACTORY_H_
+
+#include "base/memory/scoped_ptr.h"
+#include "base/memory/singleton.h"
+#include "components/keyed_service/content/browser_context_keyed_service_factory.h"
+
+namespace app_list {
+
+class AppListPrefs;
+
+class AppListPrefsFactory : public BrowserContextKeyedServiceFactory {
+ public:
+  static AppListPrefs* GetForBrowserContext(content::BrowserContext* context);
+
+  static AppListPrefsFactory* GetInstance();
+
+  void SetInstanceForTesting(content::BrowserContext* context,
+                             AppListPrefs* prefs);
+
+ private:
+  friend struct DefaultSingletonTraits<AppListPrefsFactory>;
+
+  AppListPrefsFactory();
+  virtual ~AppListPrefsFactory();
+
+  virtual KeyedService* BuildServiceInstanceFor(
+      content::BrowserContext* context) const OVERRIDE;
+  virtual content::BrowserContext* GetBrowserContextToUse(
+      content::BrowserContext* context) const OVERRIDE;
+};
+
+}  // namespace app_list
+
+#endif  // CHROME_BROWSER_UI_APP_LIST_APP_LIST_PREFS_FACTORY_H_