Changing the Weakptr initialization order in chrome/browser/extension folder

chrome/browser/extensions/updater/extension_updater.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_UPDATER_EXTENSION_UPDATER_H_
 #define CHROME_BROWSER_EXTENSIONS_UPDATER_EXTENSION_UPDATER_H_
 
 #include <list>
 #include <map>
 #include <set>
@@ skipping 223 matching lines @@
 
   // Send a notification if we're finished updating.
   void NotifyIfFinished(int request_id);
 
   void ExtensionCheckFinished(const std::string& extension_id,
                               const FinishedCallback& callback);
 
   // Whether Start() has been called but not Stop().
   bool alive_;
 
-  base::WeakPtrFactory<ExtensionUpdater> weak_ptr_factory_;
-
   // Pointer back to the service that owns this ExtensionUpdater.
   ExtensionServiceInterface* service_;
 
   // A closure passed into the ExtensionUpdater to teach it how to construct
   // new ExtensionDownloader instances.
   const ExtensionDownloader::Factory downloader_factory_;
 
   // Fetches the crx files for the extensions that have an available update.
   scoped_ptr<ExtensionDownloader> downloader_;
 
@@ skipping 27 matching lines @@
   ExtensionCache* extension_cache_;
 
   // Keeps track of when an extension tried to update itself, so we can throttle
   // checks to prevent too many requests from being made.
   std::map<std::string, ThrottleInfo> throttle_info_;
 
   // Keeps track of extensions (by ID) whose update should be forced during the
   // next update check.
   std::set<std::string> forced_updates_;
 
+  base::WeakPtrFactory<ExtensionUpdater> weak_ptr_factory_;
+
   DISALLOW_COPY_AND_ASSIGN(ExtensionUpdater);
 };
 
 }  // namespace extensions
 
 #endif  // CHROME_BROWSER_EXTENSIONS_UPDATER_EXTENSION_UPDATER_H_