Move WeakPtrFactory member to the end of LocalExtensionCache

chrome/browser/extensions/updater/local_extension_cache.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 CHROME_BROWSER_EXTENSIONS_UPDATER_LOCAL_EXTENSION_CACHE_H_
 #define CHROME_BROWSER_EXTENSIONS_UPDATER_LOCAL_EXTENSION_CACHE_H_
 
 #include <map>
 #include <string>
 
@@ skipping 177 matching lines @@
 
   // Task runner for executing file I/O tasks.
   scoped_refptr<base::SequencedTaskRunner> backend_task_runner_;
 
   // Track state of the instance.
   State state_;
 
   // This contains info about all cached extensions.
   CacheMap cached_extensions_;
 
+  // Delay between polling cache status.
+  base::TimeDelta cache_status_polling_delay_;
+
   // Weak factory for callbacks from the backend and delayed tasks.
   base::WeakPtrFactory<LocalExtensionCache> weak_ptr_factory_;
 
-  // Delay between polling cache status.
-  base::TimeDelta cache_status_polling_delay_;
-
   DISALLOW_COPY_AND_ASSIGN(LocalExtensionCache);
 };
 
 }  // namespace extensions
 
 #endif  // CHROME_BROWSER_EXTENSIONS_UPDATER_LOCAL_EXTENSION_CACHE_H_