Remove calls to deprecated MessageLoop methods in chrome.

chrome/service/cloud_print/cloud_print_url_fetcher_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/command_line.h"
 #include "base/location.h"
 #include "base/memory/ref_counted.h"
 #include "base/run_loop.h"
 #include "base/single_thread_task_runner.h"
 #include "base/synchronization/waitable_event.h"
@@ skipping 317 matching lines @@
                              base::MessageLoop::QuitWhenIdleClosure());
 }
 
 TEST_F(CloudPrintURLFetcherBasicTest, HandleRawResponse) {
   net::EmbeddedTestServer test_server;
   test_server.AddDefaultHandlers(base::FilePath(kDocRoot));
   ASSERT_TRUE(test_server.Start());
   SetHandleRawResponse(true);
 
   CreateFetcher(test_server.GetURL("/echo"), 0);
-  base::MessageLoop::current()->Run();
+  base::RunLoop().Run();
 }
 
 TEST_F(CloudPrintURLFetcherBasicTest, HandleRawData) {
   net::EmbeddedTestServer test_server;
   test_server.AddDefaultHandlers(base::FilePath(kDocRoot));
   ASSERT_TRUE(test_server.Start());
 
   SetHandleRawData(true);
   CreateFetcher(test_server.GetURL("/echo"), 0);
-  base::MessageLoop::current()->Run();
+  base::RunLoop().Run();
 }
 
 TEST_F(CloudPrintURLFetcherOverloadTest, Protect) {
   net::EmbeddedTestServer test_server;
   test_server.AddDefaultHandlers(base::FilePath(kDocRoot));
   ASSERT_TRUE(test_server.Start());
 
   GURL url(test_server.GetURL("/defaultresponse"));
   CreateFetcher(url, 11);
 
-  base::MessageLoop::current()->Run();
+  base::RunLoop().Run();
 }
 
 TEST_F(CloudPrintURLFetcherRetryBackoffTest, GiveUp) {
   net::EmbeddedTestServer test_server;
   test_server.AddDefaultHandlers(base::FilePath(kDocRoot));
   ASSERT_TRUE(test_server.Start());
 
   GURL url(test_server.GetURL("/defaultresponse"));
   CreateFetcher(url, 11);
 
-  base::MessageLoop::current()->Run();
+  base::RunLoop().Run();
 }
 
 }  // namespace cloud_print