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

chrome/browser/safe_browsing/safe_browsing_test.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.
 //
 // This test uses the safebrowsing test server published at
 // http://code.google.com/p/google-safe-browsing/ to test the safebrowsing
 // protocol implemetation. Details of the safebrowsing testing flow is
 // documented at
 // http://code.google.com/p/google-safe-browsing/wiki/ProtocolTesting
 //
@@ skipping 454 matching lines @@
     return response_data_;
   }
 
  private:
   friend class base::RefCountedThreadSafe<SafeBrowsingServerTestHelper>;
   ~SafeBrowsingServerTestHelper() override {}
 
   // Stops UI loop after desired status is updated.
   void StopUILoop() {
     EXPECT_TRUE(BrowserThread::CurrentlyOn(BrowserThread::UI));
-    base::MessageLoopForUI::current()->Quit();
+    base::MessageLoopForUI::current()->QuitWhenIdle();
   }
 
   // Fetch a URL. If message_loop_started is true, starts the message loop
   // so the caller could wait till OnURLFetchComplete is called.
   net::URLRequestStatus::Status FetchUrl(const GURL& url) {
     url_fetcher_ = net::URLFetcher::Create(url, net::URLFetcher::GET, this);
     url_fetcher_->SetLoadFlags(net::LOAD_DISABLE_CACHE);
     url_fetcher_->SetRequestContext(request_context_);
     url_fetcher_->Start();
     content::RunMessageLoop();
@@ skipping 88 matching lines @@
               safe_browsing_helper->FetchDBToVerify(test_server(), step));
     EXPECT_GT(safe_browsing_helper->response_data().size(), 0U);
     last_step = step;
   }
 
   // Verifies with server if test is done and waits till server responses.
   EXPECT_EQ(net::URLRequestStatus::SUCCESS,
             safe_browsing_helper->VerifyTestComplete(test_server(), last_step));
   EXPECT_EQ("yes", safe_browsing_helper->response_data());
 }