Remove calls to deprecated MessageLoop methods on Windows and Linux.

chrome/browser/metrics/thread_watcher_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 "chrome/browser/metrics/thread_watcher.h"
 
 #include <math.h>
 #include <stdint.h>
 
 #include <memory>
@@ skipping 689 matching lines @@
   // StartWatchingAll() will PostDelayedTask to create g_thread_watcher_list_,
   // whilst StopWatchingAll() will just PostTask to destroy it.
   // Ensure that when Stop is called, Start will NOT create
   // g_thread_watcher_list_ later on.
   ThreadWatcherList::StartWatchingAll(*base::CommandLine::ForCurrentProcess());
   ThreadWatcherList::StopWatchingAll();
   message_loop_for_ui.task_runner()->PostDelayedTask(
       FROM_HERE, message_loop_for_ui.QuitWhenIdleClosure(),
       base::TimeDelta::FromSeconds(
           ThreadWatcherList::g_initialize_delay_seconds));
-  message_loop_for_ui.Run();
+  base::RunLoop().Run();
 
   CheckState(false /* has_thread_watcher_list */,
              true /* stopped */,
              "Start / Stopped");
 
   // Proceed with just |StartWatchingAll| and ensure it'll be started.
   ThreadWatcherList::StartWatchingAll(*base::CommandLine::ForCurrentProcess());
   message_loop_for_ui.task_runner()->PostDelayedTask(
       FROM_HERE, message_loop_for_ui.QuitWhenIdleClosure(),
       base::TimeDelta::FromSeconds(
           ThreadWatcherList::g_initialize_delay_seconds + 1));
-  message_loop_for_ui.Run();
+  base::RunLoop().Run();
 
   CheckState(true /* has_thread_watcher_list */,
              false /* stopped */,
              "Started");
 
   // Finally, StopWatchingAll() must stop.
   ThreadWatcherList::StopWatchingAll();
   message_loop_for_ui.task_runner()->PostDelayedTask(
       FROM_HERE, message_loop_for_ui.QuitWhenIdleClosure(),
       base::TimeDelta::FromSeconds(
           ThreadWatcherList::g_initialize_delay_seconds));
-  message_loop_for_ui.Run();
+  base::RunLoop().Run();
 
   CheckState(false /* has_thread_watcher_list */,
              true /* stopped */,
              "Stopped");
 }
 
 class TestingJankTimeBomb : public JankTimeBomb {
  public:
   explicit TestingJankTimeBomb(base::TimeDelta duration)
       : JankTimeBomb(duration),
@@ skipping 69 matching lines @@
 }
 
 TEST_F(JankTimeBombTest, ArmTest) {
   // Test firing of Alarm by passing empty delay.
   TestingJankTimeBomb timebomb((base::TimeDelta()));
   if (!timebomb.IsEnabled())
     return;
   WaitForWatchDogThreadPostTask();
   EXPECT_TRUE(timebomb.alarm_invoked());
 }