Remove ExtensionPrefFactory's dependency on Profile.

chrome/browser/extensions/extension_prefs_factory.h

 // Copyright (c) 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.
 
 #ifndef CHROME_BROWSER_EXTENSIONS_EXTENSION_PREFS_FACTORY_H_
 #define CHROME_BROWSER_EXTENSIONS_EXTENSION_PREFS_FACTORY_H_
 
 #include "base/memory/scoped_ptr.h"
 #include "base/memory/singleton.h"
 #include "components/browser_context_keyed_service/browser_context_keyed_service_factory.h"
 
 namespace extensions {
 
 class ExtensionPrefs;
 
 class ExtensionPrefsFactory : public BrowserContextKeyedServiceFactory {
  public:
-  static ExtensionPrefs* GetForProfile(Profile* profile);
+  static ExtensionPrefs* GetForBrowserContext(content::BrowserContext* context);
 
   static ExtensionPrefsFactory* GetInstance();
 
   void SetInstanceForTesting(
       content::BrowserContext* context, ExtensionPrefs* prefs);
 
  private:
   friend struct DefaultSingletonTraits<ExtensionPrefsFactory>;
 
   ExtensionPrefsFactory();
   virtual ~ExtensionPrefsFactory();
 
   virtual BrowserContextKeyedService* BuildServiceInstanceFor(
-      content::BrowserContext* profile) const OVERRIDE;
+      content::BrowserContext* context) const OVERRIDE;
   virtual content::BrowserContext* GetBrowserContextToUse(
       content::BrowserContext* context) const OVERRIDE;
 };
 
 }  // namespace extensions
 
 #endif  // CHROME_BROWSER_EXTENSIONS_EXTENSION_PREFS_FACTORY_H_