Remove ExtensionPrefFactory's dependency on Profile.

chrome/browser/extensions/extension_toolbar_model_factory.cc

 // Copyright 2013 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/extensions/extension_toolbar_model_factory.h"
 
 #include "chrome/browser/extensions/extension_prefs.h"
 #include "chrome/browser/extensions/extension_prefs_factory.h"
 #include "chrome/browser/extensions/extension_toolbar_model.h"
 #include "chrome/browser/profiles/incognito_helpers.h"
@@ skipping 17 matching lines @@
         "ExtensionToolbarModel",
         BrowserContextDependencyManager::GetInstance()) {
   DependsOn(extensions::ExtensionPrefsFactory::GetInstance());
 }
 
 ExtensionToolbarModelFactory::~ExtensionToolbarModelFactory() {}
 
 BrowserContextKeyedService*
     ExtensionToolbarModelFactory::BuildServiceInstanceFor(
         content::BrowserContext* context) const {
-  Profile* profile = Profile::FromBrowserContext(context);
   return new ExtensionToolbarModel(
-      profile,
-      extensions::ExtensionPrefsFactory::GetForProfile(profile));
+      Profile::FromBrowserContext(context),
+      extensions::ExtensionPrefsFactory::GetForBrowserContext(context));
 }
 
 content::BrowserContext* ExtensionToolbarModelFactory::GetBrowserContextToUse(
     content::BrowserContext* context) const {
   return chrome::GetBrowserContextRedirectedInIncognito(context);
 }
 
 bool ExtensionToolbarModelFactory::ServiceIsCreatedWithBrowserContext() const {
   return true;
 }
 
 bool ExtensionToolbarModelFactory::ServiceIsNULLWhileTesting() const {
   return true;
 }