Fix remaining WeakPtrFactory ordering problems

chrome/browser/prerender/prerender_local_predictor.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_PRERENDER_PRERENDER_LOCAL_PREDICTOR_H_
 #define CHROME_BROWSER_PRERENDER_PRERENDER_LOCAL_PREDICTOR_H_
 
 #include <map>
 #include <vector>
 
@@ skipping 214 matching lines @@
 
   scoped_ptr<std::vector<history::BriefVisitInfo> > visit_history_;
 
   scoped_ptr<PrerenderProperties> current_prerender_;
   scoped_ptr<PrerenderProperties> last_swapped_in_prerender_;
 
   ScopedVector<PrerenderProperties> issued_prerenders_;
 
   base::hash_set<int64> url_whitelist_;
 
-  base::WeakPtrFactory<PrerenderLocalPredictor> weak_factory_;
-
   scoped_ptr<PrefetchList> prefetch_list_;
 
   ScopedObserver<HistoryService, HistoryServiceObserver>
       history_service_observer_;
 
+  base::WeakPtrFactory<PrerenderLocalPredictor> weak_factory_;
+
   DISALLOW_COPY_AND_ASSIGN(PrerenderLocalPredictor);
 };
 
 }  // namespace prerender
 
 #endif  // CHROME_BROWSER_PRERENDER_PRERENDER_LOCAL_PREDICTOR_H_