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

chrome/browser/printing/print_job.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 "chrome/browser/printing/print_job.h"
 
 #include "base/bind.h"
 #include "base/bind_helpers.h"
 #include "base/location.h"
 #include "base/message_loop/message_loop.h"
@@ skipping 425 matching lines @@
 
   is_job_pending_ = false;
   registrar_.RemoveAll();
   UpdatePrintedDocument(NULL);
 }
 
 void PrintJob::HoldUntilStopIsCalled() {
 }
 
 void PrintJob::Quit() {
-  base::MessageLoop::current()->Quit();
+  base::MessageLoop::current()->QuitWhenIdle();
 }
 
 // Takes settings_ ownership and will be deleted in the receiving thread.
 JobEventDetails::JobEventDetails(Type type,
                                  PrintedDocument* document,
                                  PrintedPage* page)
     : document_(document),
       page_(page),
       type_(type) {
 }
 
 JobEventDetails::~JobEventDetails() {
 }
 
 PrintedDocument* JobEventDetails::document() const { return document_.get(); }
 
 PrintedPage* JobEventDetails::page() const { return page_.get(); }
 
 }  // namespace printing