Profile shouldn't own Session/TabRestore services.

chrome/browser/sessions/tab_restore_service_factory.cc

+// Copyright (c) 2011 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/sessions/tab_restore_service_factory.h"
+
+#include "chrome/browser/profiles/profile_dependency_manager.h"
+#include "chrome/browser/sessions/tab_restore_service.h"
+
+// static
+TabRestoreService* TabRestoreServiceFactory::GetForProfile(Profile* profile) {
+  return static_cast<TabRestoreService*>(
+      GetInstance()->GetServiceForProfile(profile, true));
+}
+
+// static
+void TabRestoreServiceFactory::ResetForProfile(Profile* profile) {
+  TabRestoreServiceFactory* factory = GetInstance();
+  factory->ProfileShutdown(profile);
+  factory->ProfileDestroyed(profile);
+}
+
+TabRestoreServiceFactory* TabRestoreServiceFactory::GetInstance() {
+  return Singleton<TabRestoreServiceFactory>::get();
+}
+
+TabRestoreServiceFactory::TabRestoreServiceFactory()
+    : ProfileKeyedServiceFactory(
+        ProfileDependencyManager::GetInstance()) {
+}
+
+TabRestoreServiceFactory::~TabRestoreServiceFactory() {
+}
+
+ProfileKeyedService* TabRestoreServiceFactory::BuildServiceInstanceFor(
+    Profile* profile) const {
+  TabRestoreService* service = NULL;
+  service = new TabRestoreService(profile);
+

[sky, 2011/04/27 15:58:28]

nit: nuke this line

+  return service;
+}