Remove calls to deprecated MessageLoop methods in chrome.

chrome/browser/net/predictor_browsertest.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 <stddef.h>
 #include <stdint.h>
 
 #include <algorithm>
 #include <memory>
 #include <set>
 
 #include "base/base64.h"
 #include "base/bind.h"
 #include "base/callback.h"
 #include "base/command_line.h"
 #include "base/json/json_string_value_serializer.h"
 #include "base/macros.h"
 #include "base/memory/ptr_util.h"
 #include "base/memory/ref_counted.h"
+#include "base/run_loop.h"
 #include "base/stl_util.h"
 #include "base/synchronization/lock.h"
 #include "base/threading/thread_task_runner_handle.h"
 #include "build/build_config.h"
 #include "chrome/browser/browser_process.h"
 #include "chrome/browser/net/predictor.h"
 #include "chrome/browser/profiles/profile.h"
 #include "chrome/browser/ui/browser.h"
 #include "chrome/browser/ui/tabs/tab_strip_model.h"
 #include "chrome/common/pref_names.h"
@@ skipping 802 matching lines @@
 IN_PROC_BROWSER_TEST_F(PredictorBrowserTest,
                        ShutdownWhenResolutionIsPendingTest) {
   GURL delayed_url("http://delay.google.com:80");
   std::vector<GURL> names{delayed_url};
 
   // Flood with delayed requests, then wait.
   FloodResolveRequestsOnUIThread(names);
   base::ThreadTaskRunnerHandle::Get()->PostDelayedTask(
       FROM_HERE, base::MessageLoop::QuitWhenIdleClosure(),
       base::TimeDelta::FromMilliseconds(500));
-  base::MessageLoop::current()->Run();
+  base::RunLoop().Run();
 
   ExpectUrlRequestedFromPredictor(delayed_url);
   EXPECT_FALSE(observer()->HasHostBeenLookedUp(delayed_url));
 }
 
 IN_PROC_BROWSER_TEST_F(PredictorBrowserTest, SimplePreconnectOne) {
   predictor()->PreconnectUrl(
       embedded_test_server()->base_url(), GURL(),
       UrlInfo::ResolutionMotivation::EARLY_LOAD_MOTIVATED,
       false /* allow credentials */, 1);
@@ skipping 649 matching lines @@
   // Second navigation to content with an img.
   std::string img_content =
       "<img src=\"" + preconnect_url.spec() + "test.gif\">";
   NavigateToDataURLWithContent(img_content);
   connection_listener_->WaitUntilFirstConnectionRead();
   EXPECT_EQ(2u, connection_listener_->GetAcceptedSocketCount());
   EXPECT_EQ(1u, connection_listener_->GetReadSocketCount());
 }
 
 }  // namespace chrome_browser_net