Profile shouldn't own DesktopNotificationService.

chrome/browser/themes/theme_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/themes/theme_service_factory.h"
 
 #include "base/logging.h"
 #include "chrome/browser/extensions/extension_service.h"
 #include "chrome/browser/profiles/profile.h"
 #include "chrome/browser/profiles/profile_dependency_manager.h"
 #include "chrome/browser/themes/theme_service.h"
 #include "content/common/notification_service.h"
 
 #if defined(TOOLKIT_USES_GTK)
 #include "chrome/browser/ui/gtk/gtk_theme_service.h"
 #endif
 
 // static
 ThemeService* ThemeServiceFactory::GetForProfile(Profile* profile) {
   return static_cast<ThemeService*>(
       GetInstance()->GetServiceForProfile(profile));
 }
 
+// static
 const Extension* ThemeServiceFactory::GetThemeForProfile(Profile* profile) {
   std::string id = GetForProfile(profile)->GetThemeID();
   if (id == ThemeService::kDefaultThemeID)
     return NULL;
 
   return profile->GetExtensionService()->GetExtensionById(id, false);
 }
 
-void ThemeServiceFactory::ForceAssociationBetween(Profile* profile,
-                                                  ThemeService* provider) {
-  GetInstance()->Associate(profile, provider);
-}
-
+// static
 ThemeServiceFactory* ThemeServiceFactory::GetInstance() {
   return Singleton<ThemeServiceFactory>::get();
 }
 
 ThemeServiceFactory::ThemeServiceFactory()
     : ProfileKeyedServiceFactory(
         ProfileDependencyManager::GetInstance())
 {}
 
 ThemeServiceFactory::~ThemeServiceFactory() {}
 
 ProfileKeyedService* ThemeServiceFactory::BuildServiceInstanceFor(
     Profile* profile) const {
   ThemeService* provider = NULL;
 #if defined(TOOLKIT_USES_GTK)
   provider = new GtkThemeService;
 #else
   provider = new ThemeService;
 #endif
   provider->Init(profile);
 
   return provider;
 }
 
 bool ThemeServiceFactory::ServiceRedirectedInIncognito() {
   return true;
 }