Fix WeakPtrFactory member ordering in chrome/browser

chrome/browser/history/history_service.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_HISTORY_SERVICE_H_
 #define CHROME_BROWSER_HISTORY_HISTORY_SERVICE_H_
 
 #include <set>
 #include <vector>
 
@@ skipping 809 matching lines @@
                          const ArgB& b,
                          const ArgC& c,
                          const ArgD& d,
                          const ArgE& e) {
     DCHECK(thread_) << "History service being called after cleanup";
     DCHECK(thread_checker_.CalledOnValidThread());
     ScheduleTask(priority, base::Bind(func, history_backend_.get(),
                                       a, b, c, d, e));
   }
 
-  // All vended weak pointers are invalidated in Cleanup().
-  base::WeakPtrFactory<HistoryService> weak_ptr_factory_;
-
   base::ThreadChecker thread_checker_;
 
   content::NotificationRegistrar registrar_;
 
   // The thread used by the history service to run complicated operations.
   // |thread_| is NULL once |Cleanup| is NULL.
   base::Thread* thread_;
 
   // This class has most of the implementation and runs on the 'thread_'.
   // You MUST communicate with this class ONLY through the thread_'s
@@ skipping 33 matching lines @@
   // See http://crbug.com/138321
   scoped_ptr<history::InMemoryURLIndex> in_memory_url_index_;
 
   ObserverList<history::VisitDatabaseObserver> visit_database_observers_;
 
   base::CallbackList<void(const std::set<GURL>&)>
       favicon_changed_callback_list_;
 
   history::DeleteDirectiveHandler delete_directive_handler_;
 
+  // All vended weak pointers are invalidated in Cleanup().
+  base::WeakPtrFactory<HistoryService> weak_ptr_factory_;
+
   DISALLOW_COPY_AND_ASSIGN(HistoryService);
 };
 
 #endif  // CHROME_BROWSER_HISTORY_HISTORY_SERVICE_H_