Make it clear that WeakPtrFactory is the last data member

sync/internal_api/public/attachments/attachment_service_proxy_for_test.h

Index: sync/internal_api/public/attachments/attachment_service_proxy_for_test.h
diff --git a/sync/internal_api/public/attachments/attachment_service_proxy_for_test.h b/sync/internal_api/public/attachments/attachment_service_proxy_for_test.h
index eb1e25df4ef57074b7d0943fbe641c74dd3e0e07..b5cbdcaaae5933e07afa871cc1bc2622ef7ee315 100644
--- a/sync/internal_api/public/attachments/attachment_service_proxy_for_test.h
+++ b/sync/internal_api/public/attachments/attachment_service_proxy_for_test.h
@@ -32,12 +32,12 @@ class SYNC_EXPORT AttachmentServiceProxyForTest
         scoped_ptr<base::WeakPtrFactory<AttachmentService> > weak_ptr_factory);
 
    private:
+    virtual ~OwningCore();
+
     scoped_ptr<AttachmentService> wrapped_;
     // WeakPtrFactory for wrapped_.  See Create() for why this is a scoped_ptr.
     scoped_ptr<base::WeakPtrFactory<AttachmentService> > weak_ptr_factory_;
 
-    virtual ~OwningCore();
-
     DISALLOW_COPY_AND_ASSIGN(OwningCore);
   };