Fix WeakPtrFactory member ordering in chrome/browser

chrome/browser/history/expire_history_backend.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_HISTORY_EXPIRE_HISTORY_BACKEND_H_
 #define CHROME_BROWSER_HISTORY_EXPIRE_HISTORY_BACKEND_H_
 
 #include <queue>
 #include <set>
 #include <vector>
@@ skipping 235 matching lines @@
   // the unit tests.
   const ExpiringVisitsReader* GetAutoSubframeVisitsReader();
 
   // Non-owning pointer to the notification delegate (guaranteed non-NULL).
   BroadcastNotificationDelegate* delegate_;
 
   // Non-owning pointers to the databases we deal with (MAY BE NULL).
   HistoryDatabase* main_db_;       // Main history database.
   ThumbnailDatabase* thumb_db_;    // Thumbnails and favicons.
 
-  // Used to generate runnable methods to do timers on this class. They will be
-  // automatically canceled when this class is deleted.
-  base::WeakPtrFactory<ExpireHistoryBackend> weak_factory_;
-
   // The threshold for "old" history where we will automatically delete it.
   base::TimeDelta expiration_threshold_;
 
   // List of all distinct types of readers. This list is used to populate the
   // work queue.
   ExpiringVisitsReaders readers_;
 
   // Work queue for periodic expiration tasks, used by DoExpireIteration() to
   // determine what to do at an iteration, as well as populate it for future
   // iterations.
   std::queue<const ExpiringVisitsReader*> work_queue_;
 
   // Readers for various types of visits.
   // TODO(dglazkov): If you are adding another one, please consider reorganizing
   // into a map.
   scoped_ptr<ExpiringVisitsReader> all_visits_reader_;
   scoped_ptr<ExpiringVisitsReader> auto_subframe_visits_reader_;
 
   // The HistoryClient; may be NULL.
   //
   // Use GetHistoryClient to access this, which makes sure the bookmarks are
   // loaded before returning.
   HistoryClient* history_client_;
 
+  // Used to generate runnable methods to do timers on this class. They will be
+  // automatically canceled when this class is deleted.
+  base::WeakPtrFactory<ExpireHistoryBackend> weak_factory_;
+
   DISALLOW_COPY_AND_ASSIGN(ExpireHistoryBackend);
 };
 
 }  // namespace history
 
 #endif  // CHROME_BROWSER_HISTORY_EXPIRE_HISTORY_BACKEND_H_