Chrome sync: Put WeakPtrFactory members at the end

chrome/browser/sync/glue/synced_device_tracker.h

Index: chrome/browser/sync/glue/synced_device_tracker.h
diff --git a/chrome/browser/sync/glue/synced_device_tracker.h b/chrome/browser/sync/glue/synced_device_tracker.h
index 82f948782c4ee874fd6a79b262c6c3a28746a600..7b7668f8387e46ab256062d0d084b228f8b4c519 100644
--- a/chrome/browser/sync/glue/synced_device_tracker.h
+++ b/chrome/browser/sync/glue/synced_device_tracker.h
@@ -75,8 +75,6 @@ class SyncedDeviceTracker : public ChangeProcessor {
   void WriteDeviceInfo(const sync_pb::DeviceInfoSpecifics& specifics,
                        const std::string& tag);
 
-  base::WeakPtrFactory<SyncedDeviceTracker> weak_factory_;
-
   syncer::UserShare* user_share_;
   const std::string cache_guid_;
   const std::string local_device_info_tag_;
@@ -86,6 +84,8 @@ class SyncedDeviceTracker : public ChangeProcessor {
   typedef ObserverListThreadSafe<Observer> ObserverList;
   scoped_refptr<ObserverList> observers_;
 
+  base::WeakPtrFactory<SyncedDeviceTracker> weak_factory_;
+
   DISALLOW_COPY_AND_ASSIGN(SyncedDeviceTracker);
 };