Profile shouldn't own background page stuff.

chrome/browser/background_mode_manager_factory.h

+// 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.
+
+#ifndef CHROME_BROWSER_BACKGROUND_MODE_MANAGER_FACTORY_H_
+#define CHROME_BROWSER_BACKGROUND_MODE_MANAGER_FACTORY_H_
+
+#include "base/compiler_specific.h"
+#include "base/memory/singleton.h"
+#include "chrome/browser/profiles/profile_keyed_service_factory.h"
+
+class BackgroundModeManager;
+class Profile;
+
+// Singleton that owns all BackgroundModeManagers and associates them with
+// Profiles. Listens for the Profile's destruction notification and cleans up
+// the associated BackgroundModeManager.
+class BackgroundModeManagerFactory : public ProfileKeyedServiceFactory {
+ public:
+  static BackgroundModeManager* GetForProfile(Profile* profile);
+
+  static BackgroundModeManagerFactory* GetInstance();
+
+ private:
+  friend struct DefaultSingletonTraits<BackgroundModeManagerFactory>;
+
+  BackgroundModeManagerFactory();
+  virtual ~BackgroundModeManagerFactory();
+
+  // ProfileKeyedServiceFactory:
+  virtual ProfileKeyedService* BuildServiceInstanceFor(
+      Profile* profile) const OVERRIDE;
+};
+
+#endif  // CHROME_BROWSER_BACKGROUND_MODE_MANAGER_FACTORY_H_