Convert JumpList to a KeyedService.

chrome/browser/win/jumplist_factory.h

+// Copyright 2016 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_WIN_JUMPLIST_FACTORY_H_
+#define CHROME_BROWSER_WIN_JUMPLIST_FACTORY_H_
+
+#include "base/memory/singleton.h"
+#include "chrome/browser/win/jumplist.h"
+#include "components/keyed_service/content/refcounted_browser_context_keyed_service_factory.h"
+
+class JumpListFactory : public RefcountedBrowserContextKeyedServiceFactory {
+ public:
+  static scoped_refptr<JumpList> GetForProfile(Profile* profile);
+
+  static JumpListFactory* GetInstance();
+
+ private:
+  friend struct base::DefaultSingletonTraits<JumpListFactory>;
+  JumpListFactory();
+  ~JumpListFactory() override;
+
+  // BrowserContextKeyedServiceFactory:
+  scoped_refptr<RefcountedKeyedService> BuildServiceInstanceFor(
+      content::BrowserContext* context) const override;
+};
+
+#endif  // CHROME_BROWSER_WIN_JUMPLIST_FACTORY_H_