Convert JumpList to a KeyedService.

chrome/browser/win/jumplist_factory.cc

+// 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.
+
+#include "chrome/browser/win/jumplist_factory.h"
+
+#include "chrome/browser/favicon/favicon_service_factory.h"
+#include "chrome/browser/history/top_sites_factory.h"
+#include "chrome/browser/profiles/profile.h"
+#include "chrome/browser/sessions/tab_restore_service_factory.h"
+#include "components/keyed_service/content/browser_context_dependency_manager.h"
+
+// static
+scoped_refptr<JumpList> JumpListFactory::GetForProfile(Profile* profile) {
+  return static_cast<JumpList*>(
+      GetInstance()->GetServiceForBrowserContext(profile, true).get());
+}
+
+// static
+JumpListFactory* JumpListFactory::GetInstance() {
+  return base::Singleton<JumpListFactory>::get();
+}
+
+JumpListFactory::JumpListFactory()
+    : RefcountedBrowserContextKeyedServiceFactory(
+          "JumpList",
+          BrowserContextDependencyManager::GetInstance()) {
+  DependsOn(TabRestoreServiceFactory::GetInstance());
+  DependsOn(TopSitesFactory::GetInstance());
+  DependsOn(FaviconServiceFactory::GetInstance());
+}
+
+JumpListFactory::~JumpListFactory() = default;
+
+scoped_refptr<RefcountedKeyedService> JumpListFactory::BuildServiceInstanceFor(
+    content::BrowserContext* context) const {
+  return new JumpList(Profile::FromBrowserContext(context));
+}