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

chrome/browser/sync/glue/browser_thread_model_worker_unittest.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 "base/bind.h"
 #include "base/callback.h"
 #include "base/location.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/memory/weak_ptr.h"
 #include "base/message_loop/message_loop.h"
@@ skipping 42 matching lines @@
         TestTimeouts::action_timeout(),
         this,
         &SyncBrowserThreadModelWorkerTest::Timeout);
     worker()->DoWorkAndWaitUntilDone(c);
   }
 
   // This is the work that will be scheduled to be done on the DB thread.
   syncer::SyncerError DoWork() {
     EXPECT_TRUE(BrowserThread::CurrentlyOn(BrowserThread::DB));
     timer_.Stop();  // Stop the failure timer so the test succeeds.
-    BrowserThread::PostTask(
-        BrowserThread::IO, FROM_HERE, base::MessageLoop::QuitClosure());
+    BrowserThread::PostTask(BrowserThread::IO, FROM_HERE,
+                            base::MessageLoop::QuitWhenIdleClosure());
     did_do_work_ = true;
     return syncer::SYNCER_OK;
   }
 
   // This will be called by the OneShotTimer and make the test fail unless
   // DoWork is called first.
   void Timeout() {
     ADD_FAILURE() << "Timed out waiting for work to be done on the DB thread.";
-    BrowserThread::PostTask(
-        BrowserThread::IO, FROM_HERE, base::MessageLoop::QuitClosure());
+    BrowserThread::PostTask(BrowserThread::IO, FROM_HERE,
+                            base::MessageLoop::QuitWhenIdleClosure());
   }
 
  protected:
   void SetUp() override {
     worker_ = new BrowserThreadModelWorker(
         BrowserThread::GetMessageLoopProxyForThread(BrowserThread::DB),
         syncer::GROUP_DB, NULL);
   }
 
   virtual void Teardown() {
@@ skipping 14 matching lines @@
   base::ThreadTaskRunnerHandle::Get()->PostTask(
       FROM_HERE, base::Bind(&SyncBrowserThreadModelWorkerTest::ScheduleWork,
                             factory()->GetWeakPtr()));
   base::MessageLoop::current()->Run();
   EXPECT_TRUE(did_do_work());
 }
 
 }  // namespace
 
 }  // namespace browser_sync