Remove ExtensionPrefFactory's dependency on Profile.

chrome/browser/extensions/extension_toolbar_model.h

 // Copyright (c) 2012 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_TOOLBAR_MODEL_H_
 #define CHROME_BROWSER_EXTENSIONS_EXTENSION_TOOLBAR_MODEL_H_
 
 #include "base/compiler_specific.h"
 #include "base/observer_list.h"
 #include "base/prefs/pref_change_registrar.h"
 #include "chrome/browser/extensions/extension_prefs.h"
 #include "components/browser_context_keyed_service/browser_context_keyed_service.h"
 #include "content/public/browser/notification_observer.h"
 #include "content/public/browser/notification_registrar.h"
 #include "extensions/common/extension.h"
 
 class Browser;
 class ExtensionService;
 class PrefService;
+class Profile;
 
 // Model for the browser actions toolbar.
 class ExtensionToolbarModel : public content::NotificationObserver,
                               public BrowserContextKeyedService   {
  public:
   ExtensionToolbarModel(Profile* profile,
                         extensions::ExtensionPrefs* extension_prefs);
   virtual ~ExtensionToolbarModel();
 
   // The action that should be taken as a result of clicking a browser action.
@@ skipping 128 matching lines @@
   // For observing change of toolbar order preference by external entity (sync).
   PrefChangeRegistrar pref_change_registrar_;
   base::Closure pref_change_callback_;
 
   base::WeakPtrFactory<ExtensionToolbarModel> weak_ptr_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(ExtensionToolbarModel);
 };
 
 #endif  // CHROME_BROWSER_EXTENSIONS_EXTENSION_TOOLBAR_MODEL_H_