Chrome sync: Put WeakPtrFactory members at the end

chrome/browser/sync/test_profile_sync_service.h

Index: chrome/browser/sync/test_profile_sync_service.h
diff --git a/chrome/browser/sync/test_profile_sync_service.h b/chrome/browser/sync/test_profile_sync_service.h
index 999ea58ada4178968da3b9b8b7032253a549eceb..f62d8fddcb31b998f850529856fdc82f850f4c12 100644
--- a/chrome/browser/sync/test_profile_sync_service.h
+++ b/chrome/browser/sync/test_profile_sync_service.h
@@ -87,8 +87,6 @@ class SyncBackendHostForProfileSyncTest : public SyncBackendHost {
           debug_info_listener,
       syncer::ModelTypeSet restored_types);
 
-  base::WeakPtrFactory<SyncBackendHostForProfileSyncTest> weak_ptr_factory_;
-
   syncer::TestIdFactory& id_factory_;
 
   // Invoked at the start of HandleSyncManagerInitializationOnFrontendLoop.
@@ -107,6 +105,8 @@ class SyncBackendHostForProfileSyncTest : public SyncBackendHost {
   bool set_initial_sync_ended_on_init_;
   bool synchronous_init_;
   syncer::StorageOption storage_option_;
+
+  base::WeakPtrFactory<SyncBackendHostForProfileSyncTest> weak_ptr_factory_;
 };
 
 }  // namespace browser_sync