Profile shouldn't own background page stuff.

chrome/browser/background_mode_manager.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_H_
 #define CHROME_BROWSER_BACKGROUND_MODE_MANAGER_H_
 #pragma once
 
 #include "base/gtest_prod_util.h"
 #include "chrome/browser/background_application_list_model.h"
 #include "chrome/browser/prefs/pref_change_registrar.h"
+#include "chrome/browser/profiles/profile_keyed_service.h"
 #include "chrome/browser/status_icons/status_icon.h"
 #include "content/common/notification_observer.h"
 #include "content/common/notification_registrar.h"
 #include "ui/base/models/simple_menu_model.h"
 
 class Browser;
 class CommandLine;
 class Extension;
 class PrefService;
 class Profile;
@@ skipping 10 matching lines @@
 // mode at the appropriate time.
 //
 // When Chrome is in background mode, it will continue running even after the
 // last browser window is closed, until the user explicitly exits the app.
 // Additionally, when in background mode, Chrome will launch on OS login with
 // no open windows to allow apps with the "background" permission to run in the
 // background.
 class BackgroundModeManager
     : public NotificationObserver,
       public ui::SimpleMenuModel::Delegate,
-      public BackgroundApplicationListModel::Observer {
+      public BackgroundApplicationListModel::Observer,
+      public ProfileKeyedService {
  public:
   BackgroundModeManager(Profile* profile, CommandLine* command_line);
   virtual ~BackgroundModeManager();
 
   static bool IsBackgroundModeEnabled(const CommandLine* command_line);
 
  private:
   friend class TestBackgroundModeManager;
   friend class BackgroundModeManagerTest;
   FRIEND_TEST_ALL_PREFIXES(BackgroundModeManagerTest,
@@ skipping 123 matching lines @@
   // platform doesn't support status icons.
   StatusTray* status_tray_;
 
   // Reference to our status icon (if any) - owned by the StatusTray.
   StatusIcon* status_icon_;
 
   DISALLOW_COPY_AND_ASSIGN(BackgroundModeManager);
 };
 
 #endif  // CHROME_BROWSER_BACKGROUND_MODE_MANAGER_H_