Maintaing the proper order of initialization WeakPtrFactory

base/win/object_watcher.h

Index: base/win/object_watcher.h
diff --git a/base/win/object_watcher.h b/base/win/object_watcher.h
index 4222c200696e32c621b8c4cfb1f5949f0d3a1adb..bf7f8b3e92c2860ceabb2c245b94135bf949b047 100644
--- a/base/win/object_watcher.h
+++ b/base/win/object_watcher.h
@@ -88,12 +88,13 @@ class BASE_EXPORT ObjectWatcher : public MessageLoop::DestructionObserver {
   virtual void WillDestroyCurrentMessageLoop();
 
   // Internal state.
-  WeakPtrFactory<ObjectWatcher> weak_factory_;
   Closure callback_;
   HANDLE object_;             // The object being watched
   HANDLE wait_object_;        // Returned by RegisterWaitForSingleObject
   MessageLoop* origin_loop_;  // Used to get back to the origin thread
 
+  WeakPtrFactory<ObjectWatcher> weak_factory_;
+
   DISALLOW_COPY_AND_ASSIGN(ObjectWatcher);
 };