Fix WeakPtrFactory member ordering in ui

ui/aura/window_event_dispatcher.h

 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef UI_AURA_WINDOW_EVENT_DISPATCHER_H_
 #define UI_AURA_WINDOW_EVENT_DISPATCHER_H_
 
 #include <vector>
 
 #include "base/basictypes.h"
@@ skipping 240 matching lines @@
   scoped_ptr<ui::LocatedEvent> held_move_event_;
 
   // Allowing for reposting of events. Used when exiting context menus.
   scoped_ptr<ui::LocatedEvent> held_repostable_event_;
 
   // Set when dispatching a held event.
   bool dispatching_held_event_;
 
   ScopedObserver<aura::Window, aura::WindowObserver> observer_manager_;
 
+  // Used to schedule DispatchHeldEvents() when |move_hold_count_| goes to 0.
+  base::WeakPtrFactory<WindowEventDispatcher> held_event_factory_;
+
   // Used to schedule reposting an event.
   base::WeakPtrFactory<WindowEventDispatcher> repost_event_factory_;
 
-  // Used to schedule DispatchHeldEvents() when |move_hold_count_| goes to 0.
-  base::WeakPtrFactory<WindowEventDispatcher> held_event_factory_;
-
   DISALLOW_COPY_AND_ASSIGN(WindowEventDispatcher);
 };
 
 }  // namespace aura
 
 #endif  // UI_AURA_WINDOW_EVENT_DISPATCHER_H_