Fix WeakPtrFactory member ordering in ui

ui/aura/window_event_dispatcher.cc

 // 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.
 
 #include "ui/aura/window_event_dispatcher.h"
 
 #include "base/bind.h"
 #include "base/debug/trace_event.h"
 #include "base/logging.h"
 #include "base/message_loop/message_loop.h"
@@ skipping 65 matching lines @@
     : host_(host),
       touch_ids_down_(0),
       mouse_pressed_handler_(NULL),
       mouse_moved_handler_(NULL),
       event_dispatch_target_(NULL),
       old_dispatch_target_(NULL),
       synthesize_mouse_move_(false),
       move_hold_count_(0),
       dispatching_held_event_(false),
       observer_manager_(this),
-      repost_event_factory_(this),
-      held_event_factory_(this) {
+      held_event_factory_(this),
+      repost_event_factory_(this) {
   ui::GestureRecognizer::Get()->AddGestureEventHelper(this);
   Env::GetInstance()->AddObserver(this);
 }
 
 WindowEventDispatcher::~WindowEventDispatcher() {
   TRACE_EVENT0("shutdown", "WindowEventDispatcher::Destructor");
   Env::GetInstance()->RemoveObserver(this);
   ui::GestureRecognizer::Get()->RemoveGestureEventHelper(this);
 }
 
@@ skipping 803 matching lines @@
 
     default:
       NOTREACHED();
       break;
   }
 
   PreDispatchLocatedEvent(target, event);
 }
 
 }  // namespace aura