Fix WeakPtrFactory member ordering in content

content/renderer/scheduler/task_queue_manager.h

Index: content/renderer/scheduler/task_queue_manager.h
diff --git a/content/renderer/scheduler/task_queue_manager.h b/content/renderer/scheduler/task_queue_manager.h
index ebb7fdb7819ca51ed8070e2f50a62592e18d7c46..ac41e05ab6c1e979fe7d9aed6123b957221a4908 100644
--- a/content/renderer/scheduler/task_queue_manager.h
+++ b/content/renderer/scheduler/task_queue_manager.h
@@ -129,12 +129,13 @@ class CONTENT_EXPORT TaskQueueManager {
   TaskQueueSelector* selector_;
 
   base::WeakPtr<TaskQueueManager> task_queue_manager_weak_ptr_;
-  base::WeakPtrFactory<TaskQueueManager> weak_factory_;
 
   // The pending_dowork_count_ is only tracked on the main thread since that's
   // where re-entrant problems happen.
   int pending_dowork_count_;
 
+  base::WeakPtrFactory<TaskQueueManager> weak_factory_;
+
   DISALLOW_COPY_AND_ASSIGN(TaskQueueManager);
 };