Code re-factor related to WeakPtrFactory in src/component module

components/policy/core/browser/url_blacklist_manager.h

 // Copyright 2014 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 COMPONENTS_POLICY_CORE_BROWSER_URL_BLACKLIST_MANAGER_H_
 #define COMPONENTS_POLICY_CORE_BROWSER_URL_BLACKLIST_MANAGER_H_
 
 #include <map>
 #include <string>
 
@@ skipping 178 matching lines @@
   // Starts the blacklist update on the IO thread, using the filters in
   // |block| and |allow|. Protected for testing.
   void UpdateOnIO(scoped_ptr<base::ListValue> block,
                   scoped_ptr<base::ListValue> allow);
 
  private:
   // ---------
   // UI thread
   // ---------
 
-  // Used to post update tasks to the UI thread.
-  base::WeakPtrFactory<URLBlacklistManager> ui_weak_ptr_factory_;
-
   // Used to track the policies and update the blacklist on changes.
   PrefChangeRegistrar pref_change_registrar_;
   PrefService* pref_service_;  // Weak.
 
   // Used to post tasks to a background thread.
   scoped_refptr<base::SequencedTaskRunner> background_task_runner_;
 
   // Used to post tasks to the IO thread.
   scoped_refptr<base::SequencedTaskRunner> io_task_runner_;
 
   // Used to break a URL into its components.
   URLBlacklist::SegmentURLCallback segment_url_;
 
   // Used to optionally skip blacklisting for some URLs.
   OverrideBlacklistCallback override_blacklist_;
 
   // ---------
   // IO thread
   // ---------
 
-  // Used to get |weak_ptr_| to self on the IO thread.
-  base::WeakPtrFactory<URLBlacklistManager> io_weak_ptr_factory_;
-
   // Used to post tasks to the UI thread.
   scoped_refptr<base::SequencedTaskRunner> ui_task_runner_;
 
   // The current blacklist.
   scoped_ptr<URLBlacklist> blacklist_;
 
+  // Used to post update tasks to the UI thread.
+  base::WeakPtrFactory<URLBlacklistManager> ui_weak_ptr_factory_;
+
+  // Used to get |weak_ptr_| to self on the IO thread.
+  base::WeakPtrFactory<URLBlacklistManager> io_weak_ptr_factory_;
+
   DISALLOW_COPY_AND_ASSIGN(URLBlacklistManager);
 };
 
 }  // namespace policy
 
 #endif  // COMPONENTS_POLICY_CORE_BROWSER_URL_BLACKLIST_MANAGER_H_