Don't use base::MessageLoop::{Quit,QuitClosure} in ui/

ui/aura/window_tree_host_win.cc

 // Copyright (c) 2012 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_tree_host_win.h"
 
 #include <windows.h>
 
 #include <algorithm>
 
@@ skipping 110 matching lines @@
 }
 
 void WindowTreeHostWin::DispatchEvent(ui::Event* event) {
   ui::EventDispatchDetails details = SendEventToProcessor(event);
   if (details.dispatcher_destroyed)
     event->SetHandled();
 }
 
 void WindowTreeHostWin::OnCloseRequest() {
   // TODO: this obviously shouldn't be here.
-  base::MessageLoopForUI::current()->Quit();
+  base::MessageLoopForUI::current()->QuitWhenIdle();
 }
 
 void WindowTreeHostWin::OnClosed() {
 }
 
 void WindowTreeHostWin::OnWindowStateChanged(
     ui::PlatformWindowState new_state) {
 }
 
 void WindowTreeHostWin::OnLostCapture() {
@@ skipping 10 matching lines @@
   CreateCompositor();
   WindowTreeHost::OnAcceleratedWidgetAvailable();
 }
 
 void WindowTreeHostWin::OnActivationChanged(bool active) {
   if (active)
     OnHostActivated();
 }
 
 }  // namespace aura